CHART Nomad 830G MP User manual

PN 20945111 Rev. C
© 2019 Chart Inc.
Designed and Built by:
Chart Inc.
1300 Airport Dr.
Ball Ground, GA 30107 USA
[phone]
Product Manual
Nomad 830G MP
MicroBulk On-Site Storage and Delivery System

iii
Product Manual - Nomad 830G MP
Contents
Revision Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Standard Product Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Product Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Acronyms / Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Safety Bulletin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Oxygen Decient Atmospheres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Oxygen Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Oxygen Enriched Atmospheres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Nitrogen and Argon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Personal Protective Equipment (PPE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Introduction/Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Installation Common Codes and Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Initial Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Transport. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Using the Trailer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Preparing the Tank for Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Preparing the Tank for Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Primary Plumbing Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Fill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Pressure Build . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Economizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Liquid Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Gas Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Safety Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Vent/Full Trycock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Other Piping Circuits and Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Phase Lines and Liquid Level Gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Four-Way Valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Pressure Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Filling Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
First Fill/Purge Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Purging and First Fill Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Filling the Tank After the Cool Down Process is Complete . . . . . . . . . . . . . . . . . . . . 13
Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Single / Dual Regulating Control w/ 6-port Gas Use Manifold . . . . . . . . . . . . . . . . . . 14
Bulk Fill Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Liquid Delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Plumbing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Plumbing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
PB/Gas Use Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Safety Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Fill Circuit/Economizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

iv
Table of Contents Product Manual - Nomad 830G MP
Revision Log
Revision Level Date Description
A 01/11/2016 Original manual
B 11/14/2018 Update cover photo and Specs, Schematics
C 12/28/2018 Further update on Schematics, Plumbing and Filling options
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Schematic for FlexFill™ Nomad with Trycock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

1
Product Manual - Nomad 830G MP
General
The Nomad 830 MP is a mobile version of the very popular
Perma-Cyl® 3000 MicroBulk Storage System. The Nomad
Series comes complete with a 4700 SCFH vaporizer, trailer
and gas use connection for immediate use in a wide range
of gas applications. The tank plumbing is designed with
pressure building and economizer circuits to match the
vaporizer ow rate for maximum eciency.
Another feature of the Nomad 830 MP is the utilization of
the FlexFill™ Piping Option technology. FlexFill is a top and
bottom ll circuit that replaces the top oat assembly so the
driver can control the tank pressure while lling the unit.
Standard Product Features
• Premium Quality Drop-Deck Felling®Trailer
–2.5” Lunette Eye/Pintle Hitch
• High-Performance Ambient Vaporizer
• Robust Field-Proven Internal Tank Support System
• Thermal Ecient Super Insulation System
• Optimized Pressure Builder & Economizer Design
• Low Pressure Road Relief Circuit (CGA-341)
• High Performance Pressure Building Coil
• Stainless Steel Piping
• Dual Safety System with Diverter Valve
• One-Year Parts & Vacuum Warranty
Options
• Single End Use Regulator with 6-Port gas use manifold
• Dual Regulating Manifold with 6-Port gas use manifold
• Gooseneck Felling®trailer
• 1-1/2” Bulk Fill Connection Kit
Product Manual
The Nomad Series Product Manual is designed to be used in
conjunction with Nomad 830G MP. If there are any questions
regarding the operation of the tank, contact Chart’s Technical
Service division at 1-800-400-4683.
This manual contains information regarding the safe
operation and handling of oxygen, nitrogen and argon. It
should be thoroughly read and understood by anyone that
operates the equipment.
The safety requirements for operating the tank and handling
or transporting extremely cold liquid products are shown
in the Safety section. Use this safety section as a “Safety
Checklist” each time the equipment is being used.
The Introduction/Operation section discusses the general
features of the tank and the theory of operation. Also
included in this section is information on the primary
plumbing circuits.
In the Filling Procedure there are complete instructions on
the rst ll, purging and liquid delivery.
The Plumbing section contains schematics and part detail
information to help in identifying various parts of the Nomad
830 MP.
A Troubleshooting section is included to help answer
commons questions for specic problems that may occur.
In the Specications section there is a table that describes
the capacities, general specications and performance of the
system along with more detailed drawings.
Preface

2
Preface Product Manual - Nomad 830G MP
Terms
Throughout this manual safety precautions will be designated
as follows:
Warning! Description of a condition that
can result in personal injury or
death.
Caution! Description of a condition that
can result in equipment or
component damage.
Note: A statement that contains information
that is important enough to emphasize or
repeat.
Acronyms / Abbreviations
The following acronyms / abbreviations are used throughout
this manual:
Ar Argon
ASME American Society of Mechanical Engineers
BARG Pressure Metric (Gauge)
CGA Compressed Gas Association
CO2Carbon Dioxide
MAWP Maximum Allowable Working Pressure
N2Nitrogen
NER Nominal Evaporation Rate
NFPA National Fire Protection Association
O2Oxygen
PB Pressure Builder
PSI Pounds per Square Inch
PSIG Pounds per Square Inch (Gauge)
SCF Standard Cubic Feet
SCFH Standard Cubic Feet/Hour
UFC Uniform Fire Code

3
Product Manual - Nomad 830G MP
General
Chart equipment is designed and built to the most rigid
standards, however no piece of mechanical equipment can
ever be made 100% foolproof. Strict compliance with proper
safety and handling practices is necessary when using a
cryogenic system. We recommend that all our customers
re-emphasize safety and safe handling practices to all their
employees and customers.
While every possible safety feature has been designed into
the unit and safe operations are anticipated, it is essential
that the user of the cryogenic system carefully read and fully
understand all WARNINGS and CAUTION notes listed in
this safety summary and enumerated below.
The Nomad 830 MP, with its stainless steel support system is
designed, manufactured and tested to function normally for
many years of service.
Warning! It is never safe to drop a liquid
cylinder or let it fall over in
oxygen or any cryogenic
service.
In the event a liquid cylinder is inadvertently dropped, tipped
over, or abused slowly raise it to its normal vertical position
and immediately open the vent valve to release any excess
pressure in a safe manner. As soon as possible remove the
liquid product from the vessel in a safe manner. If the vessel
has been used in oxygen service, purge it with an inert gas
(nitrogen). If damage is evident or suspected, return the
unit to Chart prominently marked “LIQUID CYLINDER
DROPPED INSPECT FOR DAMAGE.”
Warning! Any welding that is done on the
outside of the 830 MP can cause
loss of vacuum and will VOID
any warranty on the unit.
Warning! Before removing any parts or
loosening ttings, completely
empty the cryogenic cylinder of
liquid contents and release any
vapor pressure in a safe manner.
External valves and ttings can become extremely cold
and may cause painful burns to personnel unless properly
protected. Personnel must wear protective gloves and eye
protection whenever removing parts or loosening ttings.
Failure to do so may result in personal injury due to the
extreme cold and pressure in the cylinder.
Warning! Use only replacement parts
that are compatible with liquid
oxygen and have been cleaned
for oxygen use.
Do not use regulators, ttings, hoses, etc., which have been
previously used in a compressed air environment. Failure to
comply with these instructions may result in serious damage
to the container.
Caution! All valves on an empty 830 MP
should always be kept closed
to protect the inner vessel
and plumbing from being
contaminated.
Safety Bulletin
Portions of the following information is extracted from
Safety Bulletin SB-2 from the Compressed Gas Association,
Inc. Additional information on oxygen, nitrogen, argon, and
cryogenics is available from the CGA.
Cryogenic containers, stationary or portable, are from time
to time subjected to assorted environmental conditions of
an unforeseen nature. This safety bulletin is intended to call
attention to the fact that whenever a cryogenic container
is involved in any incident whereby the container or its
safety devices are damaged, good safety practices must be
followed. The same holds true whenever the integrity or
function of a container is suspected of abnormal operation.
Incidents which require that such practices be followed
include: highway accidents, immersion of a container in
water, exposure to extreme heat or re, and exposure to most
adverse weather conditions (earthquake, tornadoes, etc.)
Under no circumstances should a damaged container be left
with product in it for an extended period of time.
Prior to reusing a damaged container, the unit must be
tested, evaluated and repaired as necessary. It is highly
recommended that any damaged container be returned to
Chart for repair and re-certication.
In the event of known or suspected container vacuum
problems (even if an extraordinary circumstance such as
those noted above has not occurred), do not continue to use
the unit. Continued use of a cryogenic container that has a
vacuum problem can lead to embrittlement and cracking.
Safety

4
Safety Product Manual - Nomad 830G MP
The remainder of this safety bulletin addresses those adverse
environments that may be encountered when a cryogenic
container has been severely damaged. These are oxygen
decient atmospheres, oxygen enriched atmospheres, and
exposure to inert gases.
Caution! Before locating oxygen
equipment, become familiar
with the NFPA standard No.
55 “Compressed Gases and
Cryogenic Fluids Code” (www.
nfpa.org) and with all local safety
codes.
Oxygen Decient Atmospheres
Warning! Nitrogen and argon vapors in air
may dilute the concentration of
oxygen necessary to support or
sustain life. Exposure to such
an oxygen decient atmosphere
can lead to unconsciousness
and serious injury, including
death.
The normal oxygen content of air is approximately 21%.
Depletion of the oxygen content in air, either by combustion
or by displacement with inert gas, is a potential hazard and
users should exercise suitable precautions.
One aspect of this possible hazard is the response of humans
when exposed to an atmosphere containing only 8 to
12% oxygen. In this environment unconsciousness can be
immediate with virtually no warning.
When the oxygen content of air is reduced to about 15
to 16%, the ame of ordinary combustible materials,
including those commonly used as fuel for heat or light,
may be extinguished. Somewhat below this concentration,
an individual breathing the air is mentally incapable of
diagnosing the situation because the onset of symptoms
such as sleepiness, fatigue, lassitude, loss of coordination,
errors in judgment and confusion can be masked by a state of
“euphoria,” leaving the victim with a false sense of security
and well being.
Human exposure to atmosphere containing 12% or less
oxygen leads to rapid unconsciousness. Unconsciousness can
occur so rapidly that the user is rendered essentially helpless.
This can occur if the condition is reached by an immediate
change of environment, or through the gradual depletion of
oxygen.
Most individuals working in or around oxygen decient
atmospheres rely on the “buddy system” for protection -
obviously the “buddy” is equally susceptible to asphyxiation
if he or she enters the area to assist the unconscious partner
unless equipped with a portable air supply. Best protection is
obtained by equipping all individuals with a portable supply
of respirable air. Life lines are acceptable only if the area is
essentially free of obstructions and individuals can assist one
another without constraint.
If an oxygen decient atmosphere is suspected or known to
exist:
1. Use the “buddy system.” Use more than one “buddy” if
necessary to move a fellow worker in an emergency.
2. Both the worker and “buddy” should be equipped with
self-contained or airline breathing equipment.
Oxygen Cleaning
When replacing components, only use parts which are
considered compatible with liquid oxygen and have been
properly cleaned for oxygen service (Refer to CGA Bulletin
G-4.1 “Equipment Cleaned for Oxygen Service”). Do not
use regulators, ttings, or hoses which were previously
used in a compressed air environment on these tanks. Only
oxygen compatible sealants or Teon tape should be used on
threaded ttings. All new piping joints should be leak tested
with an oxygen compatible leak-test solution.
Oxygen Enriched Atmospheres
An oxygen enriched atmosphere occurs whenever the normal
oxygen content of air is allowed to rise above 23%. While
oxygen is nonammable, ignition of combustible materials
can occur more readily in an oxygen rich atmosphere than
in air; and combustion proceeds at a faster rate although no
more heat is released.
It is important to locate an oxygen system in a well
ventilated location since oxygen rich atmospheres may
collect temporarily in conned areas during the functioning
of a safety relief device or leakage from the system.
Oxygen system components, including but not limited to,
containers, valves, valve seats, lubricants, ttings, gaskets
and interconnecting equipment including hoses, shall have
adequate compatibility with oxygen under the conditions
of temperature and pressure to which the components may
be exposed in the containment and use of oxygen. Easily
ignitable materials shall be avoided unless they are parts of
equipment or systems that are approved, listed, or proven
suitable by tests or by past experience.

5
SafetyProduct Manual - Nomad 830G MP
Compatibility involves both combustibility and ease of
ignition. Materials that burn in air may burn violently in pure
oxygen at normal pressure, and explosively in pressurized
oxygen. In addition, many materials that do not burn in
air may do so in pure oxygen, particularly when under
pressure. Metals for containers and piping must be carefully
selected, depending on service conditions. The various steels
are acceptable for many applications, but some service
conditions may call for other materials (usually copper or
its alloy) because of their greater resistance to ignition and
lower rate of combustion.
Similarly, materials that can be ignited in air have lower
ignition energies in oxygen. Many such materials may
be ignited by friction at a valve seat or stem packing, or
by adiabatic compression produced when oxygen at high
pressure is rapidly introduced into a system initially at low
pressure.
Warning! If clothing should be splashed
with liquid oxygen it will become
highly ammable and easily
ignited while concentrated
oxygen remains. Such clothing
must be aired out immediately,
removing the clothing if possible,
and should not be considered
safe for at least 30 minutes.
Nitrogen and Argon
Nitrogen and argon (inert gases) are simple asphyxiates.
Neither gas will support or sustain life and can produce
immediate hazardous conditions through the displacement
of oxygen. Under high pressure these gases may produce
narcosis even though an adequate oxygen supply sucient
for life is present.
Nitrogen and argon vapors in air dilute the concentration
of oxygen necessary to support or sustain life. Inhalation
of high concentrations of these gases can cause anoxia,
resulting in dizziness, nausea, vomiting, or unconsciousness
and possibly death. Individuals should be prohibited from
entering areas where the oxygen content is below 19%
unless equipped with a self-contained breathing apparatus.
Unconsciousness and death may occur with virtually no
warning if the oxygen concentration is below approximately
8%. Contact with cold nitrogen or argon gas or liquid can
cause cryogenic (extreme low temperature) burns and freeze
body tissue.
Persons suering from lack of oxygen should be
immediately moved to areas with normal atmospheres.
SELF-CONTAINED BREATHING APPARATUS MAY BE
REQUIRED TO PREVENT ASPHYXIATION OF RESCUE
WORKERS. Assisted respiration and supplemental oxygen
should be given if the victim is not breathing. If cryogenic
liquid or cold boil-o gas contacts worker’s skin or eyes,
the aected tissue should be ooded or soaked with tepid
water (105-115ºF or 41-46ºC). DO NOT USE HOT WATER.
Cryogenic burns that result in blistering or deeper tissue
freezing should be examined promptly by a physician.
Personal Protective Equipment
(PPE)
The following personal protective equipment is
recommended when working around cryogenic liquid:
• Safety glasses with side shields to prevent cryogenic
liquid from splashing into the eyes
• Chemical / Liquid resistant gloves to prevent cryogenic
burns on exposed hands
• Long sleeve shirts to protect the arms
• Cuess trousers worn over closed shoes

7
Product Manual - Nomad 830G MP
General
The new Nomad 830 MP Storage and Delivery System is
another extension of the Perma-Cyl® MicroBulk Storage
System's innovative design and technology. The Nomad
830 MP maintains all the features of the existing Perma-
Cyl system with the improved benet of being mobile. The
horizontal orientation and low prole of the Nomad 830
MP as well as the design of the trailer base allows for easy,
versatile handling and mobility.
This product was designed for the volume MicroBulk user
in mind. Several features include fast ll capability (top
and bottom) and extended hold time. The fast ll feature is
accomplished with two lling valves, a top and a bottom
ll valve which allows for the tank to be lled eciently
without any venting or loss of product (zero losses) under
normal conditions.
The cylinder also uses the most advanced pressure
building and vaporization technology today. The external
PB vaporizer is mounted under the tank for optimum
performance. The single at n design allows it to shed
ice easily and maintain pressure during high gas use rate
situations.
The external process vaporizer is a stand alone vaporizer
mounted onto the trailer. For optimum performance, the
trailer should be parked with this vaporizer in as much sun
exposure as possible.
Installation Common Codes and
Standards
The installer will need to nd out what local city ordinances
and which rules they are mandated to follow. One of the
following standards may apply:
• Uniform Fire Code (UFC)
• Compressed Gas Association (CGA)
• National Fire Protection Association (NFPA)
Note: Regulations vary in every part of the
country. Always consult local codes!
Initial Inspection
Upon receipt of a Nomad 830 MP, inspect for the following:
• Any shipping damage to the cylinder, trailer or vaporizer,
including dents, scrapes, cuts, and broken or bent
plumbing components. Report damage to the shipping
company before accepting delivery.
• Check relief valves and burst discs for dirt or damage.
• Warranty card, operator instructions sheet and user
manual.
• Check to ensure that there is positive pressure on the
inner vesser, normally about 20-25 psig.
The Nomad 830 MP is shipped with NF purity nitrogen gas.
Purging is necessary prior to lling.
Transport
The vessel is built to CGA-341 (49 CFR 173.320) which
requires the vessel pressure to be kept below 25.4 psig during
transit. The relief valves on the Nomad 830 MP meet the
ASME and CGA requirements. Maintaining transit pressure
is accomplished through the road relief circuit/regulator.
Using the Trailer
The customer should attach all required tags, product
labels, etc. before using the trailer. Both the pintle style and
gooseneck trailers come with a Felling XPress trailer owner's
manual. Always consult this publication before using the
product. Most trailers are also equipped with a label that
details the connection procedure (see Figure 1):
Figure 1 - Label detailing connection procedure
Introduction/Operation

8
Introduction/Operation Product Manual - Nomad 830G MP
Preparing the Tank for Use
(Refer to Figure 3)
1. Disconnect the trailer from the tow vehicle and use the
drop legs at the front and rear of the trailer to ensure
deck is level. This can be accomplished by referencing
the levels mounted at the side and front of the trailer
(see Figure 2).
Figure 2 - Level mounted on trailer
2. If optional regulating manifolds were not included,
connect the proper regulator/regulating manifold to the
liquid cylinder's gas use outlet.
3. Connect the proper piping / hoses between the nal
line regulator / 6-port gas manifold and the receiving
equipment.
4. If empty, ll tank (refer to Fill Procedure on page 13).
5. Close the Road Relief isolation valve (A).
6. Open the Pressure Building isolation valve (B).
7. Open the Economizer circuit (C).
8. Monitor the PB Gauge (D) and wait for the tank to
reach operating pressure.
9. Once the tank has reached operating pressure open the
Gas Use isolation valve (E).
10. When gas delivery is complete, close the Gas Use valve
(E).
Preparing the Tank for Transport
(Refer to Figure 3)
1. Ensure the Gas Use isolation valve (E) is closed.
2. Close valves on the nal line regulator or 6-port
manifold.
3. Ensure pressure has been relieved from all equipment
lines. Disconnect all hoses and equipment from the nal
line regulator or 6-port manifold.
4. Close the Economizer (C) and Pressure Building (B)
valves.
5. Open the Vent valve (F) until the tank pressure is at or
below 17 psig.
6. Close the Vent isolation valve.
7. Open the Road Relief isolation valve (A).
8. Connect the Trailer to the towing vehicle referencing
the Felling trailer owner's manual.
9. Raise the drop legs on the front and rear of the trailer.
10. The Nomad 830 MP unit can now be transported on
public roads.
Primary Plumbing Circuits
(Refer to Figure 4 on Pg. 10)
Fill
The Nomad 830 MP w/FlexFill™ Piping has a top and
bottom ll circuit that replaces the top oat assembly so the
driver can control the tank pressure while lling the Nomad
MicroBulk System. The ll circuit is a one-piece manifold
(VM-1) consisting of a top ll valve, a bottom ll valve, a ll
check valve (V-1), and a hose drain valve.
The ll line check valve has a service tting on the inlet
side that provides the sole connection for the liquid delivery
vehicle
The hose drain valve can be used to both purge the ll hose
before lling the tank or to depressurize the ll hose after
lling the tank.
The driver controls the pressure in the vessel during the ll
process by adjusting the ow through the top and bottom ll
valves. Product owing into the bottom of the tank will raise
the pressure and product owing into the top of the tank will
lower the pressure. Adjusting each valve properly will allow
the driver to hold a consistent pressure in the tank throughout
the entire delivery
During a rst ll, only ll the vessel to 75% full to allow
liquid expansion experienced with a new "hot" tank. Each
ll thereafter can be lled to 100% full. Please refer to
the Installation section of this manual for detailed lling
procedures.

9
Introduction/OperationProduct Manual - Nomad 830G MP
Figure 3 - Major Plumbing Components
Caution! If liquid can be trapped in the
transfer system, a suitable relief
valve must be installed to prevent
over pressurization.
Caution! Before making a liquid transfer
either into or out of this
vessel, be sure that protective
eyeglasses and gloves are being
worn. If the transfer is being
made to an open top vessel, the
transfer pressure should be as
low as possible and a phase
separator should be used to
eliminate splashing and hose
whip.
Pressure Build
The pressure build circuit is used to build pressure back in
the vessel after a delivery or to maintain pressure as liquid
is withdrawn from the vessel. The vessel pressure is set by
adjusting the PB regulator (R-1). Standard PB set point for
the Nomad is 185 psig.
As the tank pressure drops below the PB set point, the
regulator opens and allows liquid to ow o the bottom of
the tank, through the external PB vaporization coils and back
into the gas phase of the tank. The pressure build circuit can
be isolated by closing valve V-11 or V-15.
Economizer
The economizer circuit allows for the customer to utilize
the natural heat leak that occurs in every cryogenic storage
vessel. When the economizer isolation valve (V-5) is open,
gas is drawn directly o the headspace. This allows the gas
to travel through the external vaporization coils, in order
to warm the cold gas, and out the gas use valve. This will
result in lowering the pressure of the tank. Back ow into the
headspace is prevented by check valve V-7. The economizer
regulator can be isolated by closing valve V-5.
Note: The economizer circuit will only work if the
customer is using product out of the vessel.
Economizer
"C"
Road Relief
"A"
Vent
"F"
Pressure
Building
"B"
Gas Use
"E"
Pressure
Building
"B"
PB Gauge
"D"

10
Introduction/Operation Product Manual - Nomad 830G MP
Note: Gas is drawn through the economizer
circuit until tank pressure drops below
the liquid regulator set point. Then, liquid
will begin owing through the external
vaporizer.
Liquid Use
The liquid use circuit can be used for any liquid applications.
This circuit draws liquid directly up the bottom ll line and
through the liquid use valve (V-2).
Gas Use
The gas use valve (V-10) leverages the external vaporizer on
the Nomad system to supply gaseous product to the end user.
The Nomad tank will deliver gas at various ow rates and
temperatures for dierent applications. Gas can be delivered
at a sustained rate of 4700 SCFH, with short bursts up to
10,000 SCFH. The equipment that is being supplied gas from
the Nomad tank controls the ow rate. Higher ow rates may
provide very cold gas that could damage the equipment to
which they are attached. To supply gaseous product, follow
this step by step procedure.
1. Connect the proper regulator/regulating manifold to the
liquid cylinder's gas use outlet if the optional regulating
manifold was not purchased.
2. Connect the proper piping / hoses between the nal line
regulator and the receiving equipment.
3. Open the pressure building valve (V-11 and V-15).
4. Allow pressure to build to the operating pressure (refer
to gauge).
5. Open the gas use valve (V-10).
6. Adjust the gas use regulator for the proper delivery
pressure.
Caution! All valves on an empty Nomad
tank should always be kept
closed to protect the inner
vessel and plumbing from being
contaminated.
Figure 4 - Nomad 830 MP Schematic
6 POINT END USE MANIFOLD
SINGLE REGULATING OPTION
DUAL REGULATING OPTION
V-10
V-3
J
R-2
V-16
V-15
BD-1
G
V-6
PI-1
LI-1
V-9
S-1
RV-2
R-1
V-8
RV-2
V-11
V-12
V-13
BD-1 RV-1
V-14
GAS
USE
COIL
PB
COIL
V-1
B
F
D
E
A
RV-2
BD-1
RV-1
V-14
H
V-5
V-7
G
C
BTM
FILL
V-2
TOP
FILL
VM-1
VENT/
DRAIN
V-4
RV-2
OPTIONAL
6 POINT END USE MANIFOLD
SINGLE REGULATING OPTION
DUAL REGULATING OPTION
V-10
V-3
J
R-2
V-16
V-15
BD-1
G
V-6
PI-1
LI-1
V-9
S-1
RV-2
R-1
V-8
RV-2
V-11
V-12
V-13
BD-1 RV-1
V-14
GAS
USE
COIL
PB
COIL
V-1
B
F
D
E
A
RV-2
BD-1
RV-1
V-14
H
V-5
V-7
G
C
BTM
FILL
V-2
TOP
FILL
VM-1
VENT/
DRAIN
V-4
RV-2
RV-2
SCHEMATIC
OPTIONAL
A
INITIAL RELEASE
REV APPV ECR REVISION DESCRIPTION BY DATE
PIPING
A TOP FILL
B BOTTOM FILL / LIQUID WITHDRAWAL
C PRESSURE BUILDING OUTLET
D PRESSURE BUILDING INLET
E LIQUID PHASE (HIGH)
F VAPOR PHASE (LOW)
G SAFETY CIRCUIT/VENT
H ECONOMIZER
J FULL TRYCOCK
THE MATERIALS AND INFORMATION, INCLUDING THE PRINCIPLES
OF DESIGN PRESENTED BY THIS PRINT, IS THE EXCLUSIVE
PROPERTY OF CHART INC., AND IS CONFIDENTIAL INFORMATION.
ACCORDINGLY, THIS INFORMATION IS SUBMITTED TO YOU WITH
THE AGREEMENT THAT IT IS NOT TO BE REPRODUCED, COPIED,
OR LOANED, IN PART OR IN WHOLE, NOR IS THE INFORMATION TO
BE RELAYED TO ANY COMPANY. ACCEPTANCE OF THIS DRAWING
WILL BE CONSTRUED AS AN AGREEMENT TO THE ABOVE.
# DESIGNATES A NOTE REFERENCE
X.X
DESIGNATES INSPECTION DIM.
PROJECT:
DATE APP'VD
TITLE:
DRAWING NO.
SCALE:
SHEET:
DO NOT SCALE
DRAWING
REV:
DRAWN BY
CHECKED BY
PROJ.ENGR.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES.
TOLERANCES:
FRACTIONS 1/16"
ANGLES 1
1 PLACE DECIMAL .030
2 PLACE DECIMAL .015
3 PLACE DECIMAL .005
D-NOMAD SCHEMATIC PG10
4:1
1 OF 1
DRAWING NO.
D-NOMAD SCHEMATIC PG10
ORIGINAL ECR / ER
CANTON, GEORGIA 30114
CHART INDUSTRIES, INC.
A
NOMAD
SCHEMATIC
PG10
FINISH P/N
MAT'L

11
Introduction/OperationProduct Manual - Nomad 830G MP
The operator should review the safety precautions found
in the Safety section before conducting a gas or liquid
withdrawal operation. Protective eyeglasses and gloves
should always be worn
At low continuous ow rates, the Nomad tank is capable
of delivering warm gas through the line regulator. As the
continuous ow rate increases, the temperature of the gas
decreases.
Safety Circuit
The Nomad w/FlexFill™ Piping tanks are equipped with dual
spring operated relief valves (RV-1) and dual burst discs (BD-1).
The dual safety manifold with diverter valve (V-13) is standard
on these vessels This allows for change out of safety relief
devices without the need to empty the tank.There is a third burst
disc (BD-1) located on the pressure build outlet that serves as a
safety back-up should the safety circuit piping become damaged
— pinched — as a result of an accident (See Fig. 4).
These devices are used to automatically relieve excess
pressure in the vessel and cannot be isolated by use of a valve.
Replacement of these relief devices should only be on a "like for
like" basis. Substitutes should be avoided unless approved by
the manufacturer.
Vent/Full Trycock
The vent valve (V-4) is used to relieve excess pressure in the
cylinder. On FlexFill versions of the Nomad 830 MP, there
is a separate full trycock valve (V-3). When the Nomad tank
is lled by any delivery truck, the full trycock must be used
to ll the vessel. When liquid starts to spit out of this valve
while being lled, the lling process should be terminated.
Other Piping Circuits and
Components
Phase Lines and Liquid Level Gauges
The Nomad tank is equipped with both a low pressure phase
line (F) located on the top of the vessel and a high pressure
liquid phase line (E) located on the bottom of the vessel.
These lines are connected to a dierential pressure gauge
(Ll-1) which is used to indicate the amount of product in
the vessel The DP gauge range can vary depending on the
intended service of the tank. The proper gauge is included
with the service kit at the time of purchase.
Figure 5 - Gauges and 4-way valve
Four-Way Valve
(Refer to Figure 5)
The four-way valve (V-6) is used as the primary isolation
valve between the DP gauge and the phase lines from the
tank. This four-way valve also provides an easy method to
check the zero on the DP gauge By turning the valve into
the equalization position, the DP gauge can be zeroed and
isolated from the tank pressure for removal or replacement.
Pressure Gauge
(Refer to Figure 5)
A single pressure gauge (PI-1) on the Nomad tank is also
tied into the low phase line and gives the operator a pressure
reading in the gas phase of the vessel. This pressure gauge
can also be isolated with the four-way valve.
Four-Way
Valve
Pressure
Gauge
WIKA
Analog DP
Gauge

13
Product Manual - Nomad 830G MP
First Fill/Purge Procedure
Note: The Nomad tank is shipped with NF purity
nitrogen gas. Purging is necessary prior to
lling. During rst ll, only ll the vessel
to 75% full to allow for liquid expansion
experienced with a new (warm) tank.
Each ll thereafter can be lled to 100%
full. All valves on an empty Nomad tank
should always be kept closed to prevent
the inner vessel and plumbing from being
contaminated.
Purging and First Fill Procedure
1. Attach the source of liquid purge to the ll connection
of the Nomad tank.
2. If the ll hose has not been kept under pressure since
the last delivery, it will need to be purged. Purge the
ll hose and connector through the purge valve, if so
equipped, or by loosening the ll connection until vapor
ows from the connection and then retighten. Use the
hose drain on the tank piping if equipped as such.
3. If the Nomad tank is pressurized, open the vent valve
and blow down to approximately 5 psi. To prevent
drawing atmospheric contaminants back into the tank
during the purging operation, a positive pressure of at
least 5 psig should be maintained in the tank.
4. Partially ll the Nomad tank with approximately 5000
standard cubic feet of product (use truck meter to verify
amount).
Let liquid build pressure close to safety setting.
Leak check all plumbing circuits while the tank is under
maximum pressure.
While vent gas is still warm and tank is under pressure,
move the four-way valve to the ‘Equalization’ position
and loosen the ttings on either side of the liquid level
gauge to allow the gauge lines to purge with gas. Check
the gas stream coming out of the ttings for evidence of
moisture. Continue to ow the gas until lines have been
purged and there is no visible signs of moisture. Tighten
ttings to stop the ow of gas. Move the four-way valve
to the ‘Normal Operation’ position.
Vent all product out of the liquid valve and close before
pressure drops below 5 psig.
5. Fill Nomad tank with 5000 standard cubic feet of
product. Primarily use the bottom ll on a FlexFill style
tank. Make sure some product is also routed through
the top ll lines to purge them prior to totally lling the
tank.
Open the PB circuit and set to maximum psi. Ensure
cold gas is owing through this circuit as indicated
by frosting on the pipes. Let liquid in the tank build
pressure close to safety setting. Once desired pressure
is reached, open liquid valve. When liquid is out of the
tank and pressure is still high, open the vent and gas use
valves. If a nal line manifold is already connected to
the gas use valve, purge through the manifold to insure
that there is a ow through the gas use circuit and any
moisture is purged out before liquid is introduced into
this circuit.
Once pressure is blown down to 5 psig, close the liquid
vent and gas use valves.
6. Fill the Nomad tank with 5000 standard cubic feet of
product and let the liquid in the tank build pressure
close to the safety setting. Insure the product is owing
through and purging the economizer lines. Control the
pressure by opening the gas use and vent valves. Once
pressure is approximately 5 psig, close the gas use and
vent valves.
7. Fill the Nomad tank with 5000 standard cubic feet of
product and let the liquid in the tank build pressure to
close to the safety setting. Once the desired psig has
been reached, open the gas use and vent valves. Once
pressure is approximately 5 psig, close the gas use and
vent valves.
Note: The purge gas should be cooling the tank.
If the tank vent line is HOT, always purge
until the vent line is cool or even frosted.
A new, warm tank should go through a
minimum of four or ve purge cycles
before lling with liquid.
Filling the Tank After the Cool Down
Process is Complete
1. If equipped with a bottom ll valve, the bottom ll
valve and the tank vent valve are the valves to be used
to ll a warm tank.
2. Have the driver start the pump and slowly deliver the
liquid into the tank. Observe the tank pressure and
control the pressure by venting the tank down or by
using the top ll valve to control the pressure.
Filling Procedure

14
Filling Procedure Product Manual - Nomad 830G MP
3. As the lling proceeds and the tank gets cooler, you
should be able to pinch o and, in some cases, close the
vent valve. We recommend that you do not ll the tank
to the full trycock on the rst ll. Fill to 75% in order to
allow for liquid expansion as the tank contents absorb
heat while the metal continues to cool down over time.
Optional Equipment
Chart’s Nomad 830 mobile MicroBulk system can be
ordered with a variety of option kits that make it a truly
versatile product.
Single / Dual Regulating Control with
6-Port Gas Use Manifold
The single/dual regulating control manifold regulates
the outlet gas to 100 psig or lower, ensuring downstream
equipment can be operated safely. It is equipped with
pressure gauges, a backup ll port and regulator bypass for
easy servicing. The dual regulating control can be congured
for maximum gas ow by opening both regulator isolation
valves at the same time, allowing gas to ow through both
circuits simultaneously. The 6-port gas use manifold allows
for high volumes of gas to be supplied to multiple users at
once.
Photo 5 - Regulating control
Description Part Number
Single Regulating Manifold 20939331
Dual Regulating Manifold 20939330
Bulk Fill Kit
The bulk ll option kit includes a 1-1/2” CGA tting that
allows the user to rapidly ll the Nomad 830. Refer to page
13 for the complete ll procedure.
Photo 6 - Bulk ll option kit
Description Part Number
Nitrogen Bulk Fill Kit 20939380
Argon Bulk Fill Kit 20946907
Oxygen Bulk Fill Kit 20946908
Liquid Delivery
Cryogenic liquid can be pressure transferred from the
tank to other cryogenic equipment that operates at a lower
pressure than the tank. To make a liquid transfer follow this
procedure:
Caution! If liquid can be trapped in the
transfer system, a suitable relief
valve must be installed to prevent
over pressurization.
Caution! Before making a liquid transfer
be sure that protective
eyeglasses and gloves are being
worn. If the transfer is being
made to an open top vessel, the
transfer pressure should be as
low as possible and a phase
separator should be used to
eliminate splashing and hose
whip.
1. Connect the transfer hose to the liquid valve connection
of the tank.

15
Filling ProcedureProduct Manual - Nomad 830G MP
2. Connect or place the other end of the hose onto the inlet
of the cryogenic equipment that will receive liquid.
Atmospheric dewars are lled using a phase separator
mounted to the open end of the hose.
3. Refer to the receiving equipment manual for procedures
to open the ll valve and vent valve of the receiving
equipment.
4. Open the liquid valve. This valve can be adjusted to
obtain the proper liquid ow rate.
5. The pressure building valve can be opened to build
and maintain a higher cylinder pressure during liquid
transfer.
6. When the transfer is complete, close the receiving
equipment’s valve. Close the liquid valve and relieve
pressure from the hose.
7. Disconnect or remove the hose from the receiving
equipment.