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Back
Pressure Valves
DR-A
Low Pressure Back Pressure Valve
Applications:
For service on air, water, oil and other non-corrosive liquids
and gases.
Sizes:
1/2", 3/4", 1", 11/4" Features:
Controls up to 25 psi. Automatically maintains desired pressure
in a line or system by discharging excess pressure to the
atmosphere or to a lower pressure system. All bronze, neoprene-nylon
diaphragm, composition disc, sensitive adjusting spring. On
installation, a “T” is placed in the inlet line and a sensing
connection is run from it to the top of the valve. |
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FR,
FR-6, FR-10
0 to 600 psi Back Pressure Valves
Applications:
Centrifugal, regenerative turbine, reciprocating or rotary
pump bypass valve. Protects pump systems from over pressure.
Sizes:
1/2", 3/4", 1", 11/4", 11/2", 2"
Features:
Protects against periodic high pressures; maintains a desired
inlet pressure by relieving to a lower variable pressure,
or to atmosphere. Relieves dependably at adjusted pressures;
shuts tight after relieving. Features unique “Floating Ring”
seating arrangement that produces perfect seat contact. The
FR valves afford unusually close regulation, repeatability
of opening pressure and close reseating pressures.The FR-10
is for more economical, lower pressure applications — maximum
pressure setting 250 psi. (Provided with iron body and spring
housing only). Type FR is available in iron, bronze, steel
or stainless steel body; threaded connections; monel, stainless
steel or BUNA-N diaphragm. Pressure settings from 0 to 400
psi. The FR-6 is available for 200 to 600 psi.
Click
here for PDF (CAVMC-0516-US). |
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FRM,
FRM-2
Small Back Pressure Valves
Applications:
For service on liquids, air and gases not corrosive to brass.
Recommended for bypass regulation on fuel oil systems, compressor
governor pilot control, and many small to medium pumping system
bypass jobs. Ideally suited for many applications in the cryogenic
field.
Sizes:
1/8",
1/4", 3/8" FRM
1/4", 3/8", 1/2" FRM-2
Features:
Automatically maintains a constant inlet or back pressure.
Functions as a pressure limiting regulator, not as a safety
device. Bronze body, stainless steel seat ring and disc.
Click
here for PDF (CAVMC-0516-US). |
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K-5,
K-5C
Angle Back Pressure Valves
Applications:
Suitable for pump systems of all kinds. Applicable on water,
other fluids and especially oils of all grades.
Sizes:
1", 11/4", 11/2", 2"
Features:
High-capacity valves. For flow up to 200 gallons per minute
in the larger sizes. Bronze body and trim, threaded connections,
bottom and side female connections, brass spring chamber,
stainless steel adjusting spring, high temperature gaskets.
K-5 has a metal seat. K-5C has a soft seat for tight shut-off.
Relief pressures range from 5 to 150 psi.
Click
here for PDF (CAVMC-0517-US). |
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K-10
Piston Type Back Pressure Valve
Applications:
For water, other liquids, and light fuel oils. Not for steam.
Designed to limit a specific pump discharge pressure on machine
tool hydraulic systems, oil burning equipment, rams, presses,
lifts, etc
.
Sizes:
1/4", 3/8", 1/2", 3/4", 1", 11/4"
Features:
Bronze angle body, stainless steel trim, threaded connections,
single metal-to-metal seat only, bottom female inlet, side
female outlet. Relief pressure ranges from 15 to 600 psi.
Maximum temperature is 450°F (232°C).
Click
here for PDF (CAVMC-0517-US). |
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K-15
High Pressure, Angle By-pass Valve
Applications:
Suited for by-pass applications on high pressure pumps or
any system requiring automatic regulation of pump discharge
pressure. Many applications in the chemical and process field
(waste treatmentdesalination) and car washes.
Sizes:
1/4", 3/8", 1/2", 3/4"
Features:
Angle type by-pass valve handles high pressure up to 1500
psi in brass body. Threaded connections. Maximum temperature
450°F (232°C).
Click
here for PDF (CAVMC-0517-US). |
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KP
Pilot Operated Back Pressure Valve
Applications:
Suitable for air or water service.
Sizes:
1", 11/4", 11/2", 2"
Features:
Offers high-capacity, extremely accurate control. Main valve
features brass construction, BUNA-N diaphragm and seat disc,
stainless steel spring. Pilot is brass with stainless steel
spring, seat disc and seat ring; bronze diaphragms for air
service or neoprene diaphragms for water. Pressure setting
15 to 200 psi.
Click
here for PDF (CAVMC-0518-US). |
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MC
Small By-pass Valve
Applications:
For water, oil, and other fluids.
Sizes:
1/2", 3/4", 1"
Features:
Small, economical bypass valve for pressure control of a less-critical
nature. Bronze body, stainless steel ball seat. Metal-to-metal
seat — does not close off drip tight. Leak-proof cover cap
and gasket. Male inlet, female side outlet. Pressure ranges
10 to 250 psi. |
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NSW
Adjustable Angle By-pass Valve
Applications:
An inexpensive solution to installations requiring frequent
changes in the set point. Designed for bypass and overpressure
protection in pumping systems such as weed sprayers, etc.
that are non-corrosive to bronze.
Size:
1/2" only
Features:
Bronze body, BUNA-N disc and stainless steel spring. One of
three pressure springs is used, providing an adjustable range
of 10 to 60 lbs., 0 to 125 lbs., or 20 to 200 lbs. Male inlet,
female outlet.
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CP
& CP2
Compressor Pilot Valve
Applications:
Types CP and CP-2 are used as pilot valves in Rotary Screw
Compressors to control receiver pressure or compressor discharge
pressure. The Pilot Valves provide a regulated output pressure
that increases on a desired ratio to provide input pressure
to the air intake valve. Benefits of the Types CP and CP-2
are savings in energy, quieter Compressor operation, and reduced
wear.
Size:
1/4"
Features:
Bronze body, bronze trim, with stainless steel seat ring and
disc. Maximum Controlled pressure of 400 psig. |
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