Druck PV 211 User manual

Druck.com
PV 211
Pneumatic Hand-pump
Instruction Manual

Copyright 2005 Baker Hughes Company.
English–PV 211 Instruction Manual | i
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Copyright 2005 Baker Hughes Company.
ii | PV 211 Instruction Manual–English

Copyright 2005 Baker Hughes Company.
English–PV 211 Instruction Manual | 1
Introduction
This manual provides operating instructions for the PV 211
pneumatic hand-pump.
Safety
The manufacturer has designed this equipment to be safe
when operated using the procedures detailed in this
manual. The user must not use this equipment for any other
purpose than that stated.
This manual contains safety and operating instructions that
must be followed to make sure of safe operation and to
keep the equipment in a safe condition. The safety
instructions are either warnings or cautions issued to
protect the user and the equipment from injury or damage.
Use suitably qualified technicians* and good engineering
practice for all procedures in this manual.
Pressure
Do not apply pressure greater than the maximum safe
working pressure stated in the specification.
Toxic Materials
There are no known toxic materials used in construction of
this equipment.
Maintenance
The equipment must be maintained using the procedures
in this publication. Further manufacturer’s procedures
should be done by an authorized service agents or the
manufacturer’s service departments.
Technical Advice
For technical advice contact the manufacturer or
subsidiary.
Symbols
The following symbols mark this equipment:
Abbreviations
The following abbreviations are used in this publication.
Note: Abbreviations are the same in the singular and
plural.
1. Introduction
The PV 211 is a portable source of pressure and vacuum.
Each pump includes a pressure/vacuum selector, a volume
control for fine adjustment and an adjustable stroke to give
overpressure protection.
2. Operation
Note: Wherever possible, use o-ring seals in the BSP
connection ports this is the recommended method of
sealing.
Key to Figure A1
1. Pressure release valve.
2. Fine adjust vernier.
3. Pressure/Vacuum selector.
4. Quick-fit connectors.
5. 1 m (3.3 ft) x 3 mm (1/8”) flexible nylon hose (x2).
6. 1/4” female BSP or NPT adaptor.
7. Scissor handles.
8. Overpressure protection: Adjustable stroke control to
adjust the maximum pressure output per stroke.
9. Pressure port: 1/4” BSP or NPT female adaptor for
connection to a reference instrument, e.g.
digital/analog gauges.
10. Seal.
* A qualified technician must have the necessary technical
knowledge, documentation, special test equipment and
tools to carry out the required work on this equipment.
Symbol Description
This symbol, on the equipment, indicates a warning
and that the user should refer to the user manual.
Ce symbole, sur l'appareil, est un avertissement qui
indique que l'utilisateur doit consulter le manuel
d'utilisation.
Do not dispose of this product as household waste.
Use an approved organization that collects and/or
recycles waste electrical and electronic equipment.
For more information, contact one of these:
- Our customer service department: Druck.com
- Your local government office.
Abbreviati
on Description
°C degrees Celsius
BSP British Standard Pipe thread
COSHH Control of Substances Hazardous to Health
regulations
°F degrees Fahrenheit
ft lb foot pound
inH2O inches of water
inHg inches of mercury
lb pounds
kg kilogram
m metre
mm millimetre
MSDS Material Safety Data Sheet
NPT National Pipe Thread
psi pounds per square inch
PTFE polytetrafluoroethylene
WARNING Before applying pressure, make
sure all connections are correct and
equipment is internally clean and free from
damage.
Make sure that all equipment is to the correct
pressure rating.
Do not exceed the maximum operating
pressure stated in the specification.
Observe the relevant health and safety
precautions.
CAUTION If PTFE tape is used to seal NPT
threads, ensure that only a sufficient amount
is used to achieve pressure seal. If excess
tape is used, particles can become loose
during the connector mating process and
enter the pump, potentially leading to loss of
pump performance or pressure leaks.
INFORMATION Because the PV 211 only
has a small displacement, only use the PV 211
to pressurize small volumes.
Abbreviati
on Description

Copyright 2005 Baker Hughes Company.
2 | PV 211 Instruction Manual–English
2.1 Hose/Adaptors (Figure A1)
To attach a hose (5) and adapter (6) to a connector (4),
turn the knurled nut on the connector counterclockwise.
2.2 Pressure Release Valve (Figure A1)
Use this (1) to reduce or release the pressure in the
system. The amount of turn sets the rate to release the
pressure. Only minimum force is necessary to seal the
system.
2.3 Fine Adjust Vernier (Figure A1)
To make accurate adjustments to the pressure, turn the
fine adjust vernier (2) clockwise to increase the pressure or
counterclockwise to decrease the pressure.
2.4 Pressure/Vacuum Selector (Figure A1)
Before you change the mode, make sure that the pressure
release valve (1) is open. To change the mode, use an
applicable tool to push the selector (3) to the side specified
on the label.
2.5 Overpressure Protection (Figure A1)
To adjust the maximum output pressure of the system, turn
the nuts (8) to increase or decrease the stroke length.
3. Operation
3.1 Calibration/Comparison against an
Analog Gauge
1. Connect a reference instrument to the pressure port at
the top of the pump (9).
2. Connect the instrument under test to the connection at
the end of the flexible hose (5).
Note: The maximum torque for the adaptors is 15 Nm
(11 ft lb).
3. Set the fine adjust vernier (2) to the midpoint of its
travel:
Turn it fully clockwise, then four to six turns
counterclockwise.
4. Close the pressure release valve (1):
Turn it fully clockwise, and tighten to seal.
5. Operate the scissor handles (7) until the pressure is
almost correct. To get the maximum pressure output,
squeeze the handles fully together on each stroke.
6. To adjust the pressure to the correct value, turn the fine
adjust vernier (2) clockwise to increase the pressure or
counterclockwise to decrease the pressure.
Note: Initially, small pressure changes can occur
(thermodynamic effects, the seals settle, the hoses
expand). The pressure will stabilize after a short time.
7. You can also decrease the pressure by careful
operation of the pressure release valve (1).
8. To get a vacuum, set the pressure/vacuum selector (3)
to the vacuum position (as indicated on the pump label)
then use the same procedure as above.
Note: Before you change the mode, release the
pressure.
3.2 Operation with a High-Resolution
Pressure Calibrator
Because the resolution is better, it is possible you will see
more of the small pressure changes identified in step 6
above.
Note: On very high resolutions such as 1 mbar or
0.1 inH2O, small movement of the hose may result in
noticeable pressure changes.
4. Fault Finding
1. If the system appears to lose pressure, repeat the
above procedure. Make sure: there is no damage to the
seals, the adapters are tightened sufficiently, the
pressure release valve (1) is tightened sufficiently to
seal.
2. Do not try to tighten the connections between the pump
and the fine adjust vernier (2) or between the pump and
the quick-fit connectors (4). These are factory set and
changes can cause damage to the sealed joints.
3. During leak tests, small air movements (in or out) are
possible around the pressure/vacuum selector (3).
This is normal.
4. If the PV 211 has not been used for a period of time, it
can be difficult to operate on the first stroke. It will
become free after this.
5. For seal replacement refer to the service kit
instructions.
If, for any reason, a fault occurs within the pump, it is
recommended that the equipment be returned to an
appointed agent.
INFORMATION To prevent damage, DO
NOT use force to turn the fine adjust
vernier (2) farther than the red line indicator
on the thread. See item 11 in Figure A2.
WARNING Uncontrolled release of high
pressure is dangerous and may cause
damage to equipment. Because the internal
pressure can get very high during operation,
make sure that all the connections are made
correctly.
DO NOT ignore the maximum operating
pressure specified on the pump label.
Before you connect a pressure component to
the PV 211, make sure that it is isolated from
the pressure supply and release the internal
pressure slowly. DO NOT connect the pump to
an external pressure source.
INFORMATION To prevent damage, DO
NOT use force to turn the fine adjust
vernier (2) farther than the red line indicator
on the thread. See item 11 in Figure A2.

Copyright 2005 Baker Hughes Company.
English–PV 211 Instruction Manual | 3
5. General Specification
6. Returned Goods Procedure
If the unit requires calibration or is unserviceable, return it
to the nearest Druck Service Centre listed at: Druck.com
Contact the Service Department to obtain a Return
Authorization (Worldwide excluding USA).
In the USA, obtain a Return Material Authorization [RMA].
Provide the following information on either a RGA or RMA:
• Product (i.e. PV 211)
• Serial number
• Details of defect/work to be undertaken
• Operating conditions
6.1 Safety Precautions
You must inform Druck if the product has been in contact
with any hazardous or toxic substance.
The relevant COSHH or in the USA, MSDS, references and
precautions to be taken when handling.
6.2 Approved Service Agents
For the list of service centers:
Druck.com
INFORMATION Pneumatic gases must be
compatible with stainless steel, bright nickel
plated brass, anodized aluminum, phosphor
bronze (springs), nitrile rubber seals and
nylon.
Item Specification
Pneumatic Pressure
Range
0 to 40 bar (0 to 600 psi)
Vacuum Pressure Range 0 to -0.95 bara (0 to -28 inHg)a
a. This value assumes atmospheric pressure at 1 bar (14.5 psi) and
varies depending on atmospheric pressure.
Dimensions (Length x
Width x Depth)
220 mm (8.7”) x 105 mm (4.1”) x 63
mm (2.5”)
Weight (approximate) 0.65 kg (1.4 lb)
INFORMATION Service by unauthorized
sources will affect the warranty and may not
guarantee further performance.

Copyright 2005 Baker Hughes Company.
4 | PV 211 Instruction Manual–English

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