MPS RL01SH User manual

Model Number RL01SH
Air Pressure Booster System • Installation and Operating Instructions
Midwest Pressure Systems, Inc.
RAV Rev. 0
MPS
M I DW E ST
PRESSURE
SY S T E M S
MPS
M I D W E S T
PRESSURE
S YS T E M S
MPS
M I D W E ST
PRESSURE
SYS T E M S
MPS
M I D W E S T
PRESSURE
SY S T E M S
MPS
M ID W E S T
PR ESSURE
S YS T E MS
MPS
M I D W E S T
PRESSURE
SYS T E M S
MPS Logos
12/5/91
1/2" Square
3/4" Square
1" Square
1-1/4" Square
1-1/2" Square
2" Square
MPS
M ID W E S T
PR ESSURE
S YS T E MS
Mount the Model RL01SH air pressure booster system on a
horizontal surface. Other mounting orientations are not
recommended. The booster system vibrates while operating.
Use the four 9/32” mounting holes shown in the diagram to the
right, to bolt it to a solid surface.
1
Connect your shop air line to the 1/4” FNPT air inlet filter on the
front of the booster. A shutoff valve can be installed upstream of
the filter for convenient removal of the system for maintenance.
The booster has a built-in discharge pressure regulator. Do not
install a supply pressure regulator. Lowering the supply pressure
reduces the efficiency of the system. The unit is permanently
lubricated. Use of an inlet lubricator will void the
warranty. The maximum inlet pressure is 150 psig.
2
Attach discharge line to the 1/4” FNPT port on the side of the
receiver tank. If the application requires a lubricator,
make sure the lubricator is installed downstream of
the booster. A filter should be installed to protect
downstream components from seal/booster wear particles.
3
The discharge pressure regulator is set by the black, snap-
lock knob mounted on the top of the unit. Pull up on the knob
to unlock it. Adjust the knob by turning it clockwise for a
higher discharge pressure or counterclockwise for a lower
discharge pressure. The upper gauge indicates the inlet
pressure. The lower gauge indicates the discharge pressure.
Supply shop air to the booster and it will start to operate. Set
the regulator to attain the desired discharge pressure, and
push down on the regulator knob until it “clicks” to lock the
regulator on that setting. The regulator is self-relieving. When
the discharge pressure setting on the regulator is reduced, the
higher pressure stored in the system will vent through the
regulator until pressure equilibrium is reached. If the inlet
pressure is higher than 140 psig, it is possible to
set the regulator so the booster exceeds the
maximum discharge pressure of 280 psig. Do not
operate the booster under these conditions. It is
designed to operate continuously at a maximum
discharge pressure of 280 psig.
5
The air pressure booster system will operate as long as there is
demand for high pressure air. When there is no demand, the
booster will “stall” at the pressure set by the discharge regulator.
The stalled condition consumes no energy and does not damage
the booster. The booster will start up automatically when the
pressure falls slightly as a result of demand for high pressure air.
7
Mounting Bolt Pattern:
12.0”
3.0”
The accumulator tank has a 1/4” ball valve to drain condensate. A
drain line or automatic drain valve can be attached to this valve if
needed. Close the valve before starting booster.
4
The accumulator is rated for 300 psig and includes a relief valve
set for 300 psig to prevent operation of the booster above its
maximum allowable discharge pressure of 280 psig.
8
For more precise booster control, set the discharge regulator for
a higher pressure than required, and install a filter and secondary
regulator on the discharge line of the accumulator. This allows
for greater accumulator storage capacity, and minimizes pressure
fluctuations in the system. For maximum high pressure air
storage, air pressure booster systems are set to charge the
accumulator to the maximum pressure of two times the supply,
and the secondary regulator in the discharge line of the
accumulator is set at the desired, lower pressure. Make sure that
any downstream components are rated for the accumulator
pressure, or are protected by a relief valve in case the secondary
regulator fails.
6
Drain Valve
1/4” FNPT
Inlet port
1/4” FNPT
300 psig
Pressure
Relief Valve
Discharge
port
1/4” FNPT
Midwest Pressure Systems, Inc.
850 Transport Drive, Valparaiso, IN 46383
Phone [phone] Fax [phone]
www.midwestpressuresystems.com

Model Number RL01SH
Air Pressure Booster System • Operation and Warranty
Midwest Pressure Systems, Inc.
RAV Rev. 0
MPS
M I DW E ST
PRESSURE
SY S T E M S
MPS
M I D W E S T
PRESSURE
S YS T E M S
MPS
M I D W E ST
PRESSURE
SYS T E M S
MPS
M I D W E S T
PRESSURE
SY S T E M S
MPS
M ID W E S T
PR ESSURE
S YS T E MS
MPS
M I D W E S T
PRESSURE
SYS T E M S
MPS Logos
12/5/91
1/2" Square
3/4" Square
1" Square
1-1/4" Square
1-1/2" Square
2" Square
MPS
M ID W E S T
PR ESSURE
S YS T E MS
Compression
Chamber A1
Compression
Chamber A2 Drive
Chamber
B2
Drive
Chamber
B1
Piston 1 Piston 2
4-way
Valve
Switch
4-way
Valve
Switch
Pilot Signal to regulator
Built-in discharge regulator
Regulated drive air
Plant air
Exhaust air
Pilot signal to regulator
High pressure air Exhaust air
Regulated drive air
Operating Description
General Concerns
Midwest Pressure Systems, Inc. warrants the RL01SH Model air pressure booster system to be free of defects in material and
workmanship for a period of one year after purchase, except piston seals, rod seals, and check valves which are warranted for six months
after purchase. We will either repair or replace a failed unit returned by the customer. No other warranty is expressed or implied. Proof
of the purchase date is required. This warranty does not apply to equipment which has been abused, and is voided by use of a
lubricator, or failure to use a well-maintained inlet filter. Customer must obtain a return authorization number before shipping the unit
to the factory.
WARRANTY
Please refer to the operating description on the right, and the
schematic above to gain an understanding of the design
principles and mechanical function of the RL01SH Model air
pressure booster system. The moving parts of the air pressure
booster system are permanently lubricated with a
multipurpose grease (except for the check valves). Operation
with a lubricator upstream voids the warranty. If a lubricator
is required, it should be installed on the downstream
(discharge) side. A well-maintained 5 micron inlet air filter is
required to maintain the warranty by ensuring that no dust
particles enter the unit and foul the seals, or cause premature
wear of the highly-polished seal surfaces. The wear parts in
the booster consist of check valves, springs and dynamic
seals. These parts are designed for 1800 miles of piston
travel. The four-way valve, which controls movement of the
pistons, is a lapped, stainless steel valve with no elastomeric
seals subject to wear. Under normal conditions, this valve will
provide many years of operation. The discharge regulator
built into the center of the unit sees very little wear, and is
designed to provide many years of service under normal
conditions. The wear parts are typically replaced 2 to 3 times
before a valve or regulator kit is required.
The shop air supply always fills Boost Chambers A1 and A2 directly,
through a set of check valves. These two chambers are always pressurized
to the maximum initial air pressure available (the RL01SH Model air
pressure booster system is not designed for inlet air pressures higher than
150 psig). A branch of the shop air supply flows through a pilot-activated
regulator, which reduces the pressure to the level required to attain the
desired air pressure booster system discharge pressure (the discharge
pressure is set manually by adjusting the regulator handle). This regulated
air stream flows through a four-way valve which directs it to Drive
Chamber B1. At the same time, the four-way valve opens Drive Chamber
B2 to exhaust. The pressure force exerted on the interconnected pistons
by the pressures in Drive Chamber B1 and Compression Chamber A1 is
sufficient to compress the air in Chamber A2 to a higher pressure (the
maximum discharge pressure attainable is four times the shop air supply
pressure). At the end of its travel, Piston 2 switches the four way valve,
which opens Drive Chamber B1 to exhaust, and pressurizes Drive
Chamber B2 with regulated drive air, thus reversing the direction of the
interconnected pistons, until Piston 1 switches the valve back to its
original position. The interconnected pistons shuttle back and forth
continuously, producing a high pressure air stream. The RL01SH Model
is designed to operate at a maximum discharge pressure of 280 psig.
Higher discharge pressures, though possible, can result in catastrophic
failure of the booster.
Feb. 25, 2016
Midwest Pressure Systems, Inc.
850 Transport Drive, Valparaiso, IN 46383
Phone [phone] Fax [phone]
www.midwestpressuresystems.com