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Supplier: Atos North America
Description: AGAM are double stage pressure relief valves with balanced poppet, designed to operate in oil hydraulic systems. In standard versions the piloting pressure of the poppet of the main stage is regulated by means of a grub screw protected by a cap in the cover. Optional
- Actuation: Pilot Operated
- Media Description: Hydraulic Fluid
- Pressure Rating: 5076 psi
- Valve Size: 0.3937 to 1.26 inch
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Supplier: Atos North America
Description: ARAM are two stage pressure relief valves with balanced poppet, designed with threaded ports for in-line mounting. In standard versions the piloting pressure of the poppet of the main stage is regulated by means of a grub screw protected by a cap installed in the cover. Optional
- Actuation: Pilot Operated
- Connection: Threaded
- Media Description: Hydraulic Fluid
- Pressure Rating: 5076 psi
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Supplier: CIRCOR Energy
Description: CIRCOR Energy is pleased to offer the Model 3500 as part of our Pilot Operated Valves portfolio. Below is a list of features that will enable you to better understand its capabilities. Features Snap acting & modulating options available API orifice sizes "D
- Media: Gas, LP - Gas, Natural Gas
- Primary Material of Construction: Steel
- Valve Size: 1 to 8 inch
- Valve Type: Pilot Valves, Pressure Relief Valves
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Supplier: Atos North America
Description: AGMZO are poppet type proportional pressure relief valves, pilot operated without integral pressure transducer, which provide pressure regulation proportional to electronic reference signal. They operate in association with electronic drivers, which supply the
- Actuation: Pilot Operated
- Media Description: Hydraulic Fluid
- Pressure Rating: 5076 psi
- Valve Size: 0.3937 to 1.26 inch
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Supplier: Atos North America
Description: REM are double stage pressure relief valves with balanced poppet and SAE flange connection, designed to operate in oil hydraulic systems. They can be directly mounted with SAE flange attachments on the pumps outlet ports and, in particular, on the PFE pumps. In standard versions
- Actuation: Pilot Operated
- Pressure Rating: 5076 psi
- Valve Size: 0.7500 to 1.25 inch
- Valve Type: Control Valves, Pressure Relief Valves
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Supplier: Victaulic Co. of America
Description: Pressure safety solution for a pressure reducing valve (PRV) station Protects downstream piping from experiencing unsafe excess pressures Sizes from 1 ½ – 8” | DN40 – DN200 Pressures up to 400 psi | 2758 kPa | 28 bar
- Actuation: Pilot Operated
- Metals: Ductile Iron, Stainless Steel
- Pressure Rating: 400 psi
- Valve Size: 1.5 to 8 inch
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Supplier: Victaulic Co. of America
Description: Pressure safety solution for a pressure reducing valve (PRV) station Protects downstream piping from experiencing unsafe excess pressures Sizes from 1 ½ – 8” | DN40 – DN200 Pressures up to 250 psi | 1724 kPa | 17 bar
- Actuation: Pilot Operated
- Metals: Ductile Iron, Stainless Steel
- Pressure Rating: 250 psi
- Valve Size: 1.5 to 8 inch
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Supplier: Valcor Engineering Corporation
Description: Valcor Relief Valves provide over-pressurization protection with direct acting and/or pilot operated mechanical components. Our relief valves are available in dual ported (inlet and outlet ports) or ambient vented styles and are suitable for many different
- Number of Ports/Ways: 2
- Pressure Rating: 20 to 3800 psi
- Valve Type: Pressure Relief Valves
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Supplier: Bosch Rexroth Corporation
Description: Proportional pressure relief valves limit the pressure in a hydraulic circuit and allow this set limit to be adjusted by electronic control. While relieving pressure, excess flow is returned to a hydraulic reservoir tank, to improve machine efficiency and manufacturing productivity.
- Features: Solenoid Valves
- Media Description: Hydraulic Fluid
- Valve Size: 0.2362 to 1.26 inch
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Supplier: HydraForce, Inc.
Description: A screw-in, cartridge-style, pilot-operated (two-stage), spool-type hydraulic relief valve, intended for use as a pressure limiting device in demanding hydraulic circuits which require fast response and low hysteresis.
- Actuation: Pilot Operated
- Connection: Threaded
- Controlled Pressure Range: 0.0 to 5000 psi
- Features: Cartridge / Manifold Valves
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Description: Description The 5212 Series Pilot-operated safety relief valves are mainly used in the fields of oil and gas, chemical industry, electric power, metallurgy, and natural gas. It is the best overpressure protection device for pressurized equipment, containers, or pipelines. The
- Media: Steam
- Valve Size: 1 to 24 inch
- Valve Type: Directional Valves, Pilot Valves, Pressure Relief Valves, Safety Valves
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Supplier: HydraForce, Inc.
Description: A screw-in, cartridge-style, pilot-operated (two-stage), spool-type hydraulic relief valve, intended for use as a pressure limiting device in demanding hydraulic circuits which require fast response and low hysteresis.
- Number of Ports/Ways: 2
- Pressure Rating: 3481 psi
- Valve Size: 0.3750 to 0.5000 inch
- Valve Type: Cartridge / Manifold Valves, Pressure Relief Valves
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Supplier: HydraForce, Inc.
Description: A screw-in, cartridge-style, pilot-operated, two-stage, hydraulic relief valve with reverse fl ow check valve. It is intended for use as a pressure limiting device in demanding hydraulic circuits which require fast response, low hysteresis, low leakage, low pressure
- Number of Ports/Ways: 2
- Pressure Rating: 4200 psi
- Valve Size: 0.3750 to 0.5000 inch
- Valve Type: Cartridge / Manifold Valves, Pressure Relief Valves
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Supplier: Watts
Description: The Model LFPV20CB is a direct sensed direct acting, diaphragm actuated Pressure Relief pilot. It is normally held closed by the force of the adjustable spring setting above the diaphragm. It modulates toward an open position when control pressure, exerting force below the diaphragm
- Actuation: Pilot Operated
- Valve Size: 0.5000 inch
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Supplier: Almo Manifold & Tool Co.
Description: Relief accessory for relief covers, adjustable relief setting
- Actuation: Pilot Operated
- Number of Ports/Ways: 4
- Pressure Rating: 150 to 5000 psi
- Valve Type: Pressure Relief Valves
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Supplier: HydraForce, Inc.
Description: A dual pilot operated check valve for use in blocking or load-holding circuits. This valve has an 2 thermal relief.
- Actuation: Pilot Operated
- Number of Ports/Ways: 2
- Pressure Rating: 3500 psi
- Valve Size: 0.2500 to 0.3750 inch
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Supplier: Watts
Description: pilot modulates toward an open position as the differential pressure increases, in turn relieving the main valve cover pressure and modulating the main valve open to maintain the differential set pressure. As the differential pressure decreases, the pilot modulates toward
- Actuation: Pilot Operated
- Valve Size: 0.5000 inch
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Supplier: Watts
Description: The Model SSPV20C is a remote sensed direct acting, diaphragm actuated Pilot that is used on various configurations of Automatic Control Valves. It is normally held closed by the force of the adjustable spring setting above the diaphragm. It modulates toward an open position when
- Actuation: Pilot Operated
- Valve Size: 0.5000 inch
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Supplier: Watts
Description: The Model LFPV20C is a remote sensed direct acting, diaphragm actuated Pilot that is used on various configurations of Automatic Control Valves. It is normally held closed by the force of the adjustable spring setting above the diaphragm. It modulates toward an open position when
- Actuation: Pilot Operated
- Valve Size: 0.5000 inch
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Supplier: Flomatic Valves
Description: Pressure Reducing Valve (PRV) - Model C150EHF when properly installed will regulate high inlet pressure to a lower regulated outlet pressure within a range regardless of water flow. This is accomplished by an adjustable spring loaded balancing valve factory set to automatically
- Actuation: Pilot Operated
- Pressure Rating: 400 psi
- Valve Size: 1.25 inch
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Supplier: Flomatic Valves
Description: Pressure Reducing Valve (PRV) - Model C150E when properly installed will regulate high inlet pressure to a lower regulated outlet pressure within a range regardless of water flow. This is accomplished by an adjustable spring loaded balancing valve factory set to automatically regulate
- Actuation: Pilot Operated
- Pressure Rating: 400 psi
- Valve Size: 0.5000 to 2 inch
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Supplier: Continental Hydraulics
Description: VER-SPG PROPORTIONAL PRESSURE RELIEF VALVES WITH ON BOARD ELECTRONICS Sizes R06 NFPA thru R10 NFPA Max Pressure 5000 PSI (350 bar) Max Flow Rate 132 gpm (500 l/min) Description VER*SPG valves are Proportional pilot
- Actuation: Pilot Operated
- Pressure Rating: 1015 to 5076 psi
- Valve Type: Pressure Relief Valves
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Supplier: Radwell International
Description: TOP COVER, ICS1 50, ICV FLEXLINE, INCLUDES BOLTS, WITH ONE PILOT, PILOT VALVE NOT INCLUDED, FOR USE WITH PILOT OPERATED SERVO VALVES. FREE 2 YEAR RADWELL WARRANTY
- Valve Type: Pilot Valves, Servo Valves
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Supplier: Radwell International
Description: DISCONTINUED BY MANUFACTURER, PRESSURE REDUCING VALVE, PILOT OPERATED, SLIDING SPOOL. FREE 2 YEAR RADWELL WARRANTY
- Valve Type: Pilot Valves, Spool Valves
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Supplier: Continental Hydraulics
Description: VER-SP PROPORTIONAL PILOT OPERATED PRESSURE RELIEF VALVES Sizes R06 NFPA thru R10 NFPA Max Pressure 5000 PSI (350 bar) Max Flow Rate 132 gpm (500 l/min) Description VER*SP valves are Proportional pilot operated pressure
- Actuation: Pilot Operated
- Features: Solenoid Valves
- Media Description: Hydraulic Fluid
- Pressure Rating: 1015 to 5076 psi
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Supplier: Radwell International
Description: DISCONTINUED BY MANUFACTURER, PROPORTIONAL 2-STAGE DIRECTIONAL VALVE, WITH INTEGRAL AMPLIFIER, 857AN00037A, SOLENOID CONTROLLED, PILOT OPERATED, SPRING CENTERED, DUAL SOLENOID, 24V DC COIL VOLTAGE. FREE 2 YEAR RADWELL WARRANTY
- Valve Type: Pilot Valves
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Supplier: Radwell International
Description: PILOT-OPERATED PRESSURE REDUCER, 6350 SERIES, 35-100PSIG, P594-1. FREE 2 YEAR RADWELL WARRANTY
- Valve Type: Pilot Valves
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Supplier: Flomatic Valves
Description: Pressure Reducing Valve & Back Pressure Valve allows flow as long as upstream pressure exceeds backpressure setting. Maintains a lower steady downstream pressure regardless of fluctuations in the inlet pressure or flow, as long as backpressure on system is maintained. Configurations
- Actuation: Pilot Operated
- Connection: Threaded
- Valve Size: 1.25 to 36 inch
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Supplier: Flomatic Valves
Description: PRESSURE REDUCING VALVE WITH CHECK Reduces high upstream pressure to lower downstream pressure. Check feature prevents reverse flow in the event of pressure reversal. Configurations: Model C - Full Port Globe Style (Flanged or Threaded) Model CF - Reduced Port Globe Style
- Actuation: Pilot Operated
- Connection: Threaded
- Valve Size: 1.25 to 36 inch
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Supplier: Continental Hydraulics
Description: VER03MPG PROPORTIONAL PRESSURE RELIEF VALVES PILOT OPERATED WITH ON BOARD ELECTRONICS Mounting Surface NFPA R03 / D03 (ISO 6264-03-04-*-97) Max Pressure 5000 PSI (350 bar) Max Flow Rate 13.2 gpm (50 l/min) Description
- Actuation: Pilot Operated
- Media Description: Hydraulic Fluid
- Pressure Rating: 1015 to 5076 psi
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Supplier: Almo Manifold & Tool Co.
Description: - Adjustable relief setting from 150 psi to 6000 psi - Standard screw adjustment for relief setting. - Removable NPT orifice plug options - SAE O-ring port for gauging - Pressure at Y is directly additive to relief setting
- Actuation: Pilot Operated
- Number of Ports/Ways: 2
- Pressure Rating: 150 to 6000 psi
- Valve Size: 2 inch
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Supplier: Armstrong International
Description: The GP-1000 Series valves are pilot-controlled for accurate regulation of pressure under widely ranging flow. The internal-pilot design eliminates external components and piping. Internally piloted GP Series valves are capable of larger capacity and greater
- Actuation: Pilot Operated
- Connection: Threaded
- Controlled Pressure Range: 5 to 125 psi
- Features: Diaphragm Valves
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Supplier: Continental Hydraulics
Description: pilot operated proportional relief valves conform to NFPA R03/D03 and ISO 6264:1998 mounting standards. The VER03MP valves are designed to modulate pressure in a hydraulic circuit directly proportional to the input current to the valve. The valve
- Actuation: Pilot Operated
- Features: Solenoid Valves
- Media Description: Hydraulic Fluid
- Pressure Rating: 1015 to 5076 psi
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Description: ISO 21013-4:2012 specifies the requirements for the design, manufacture and testing of pilot operated pressure relief valves for cryogenic service, i.e. for operation with cryogenic fluids in addition to operation at temperatures from ambient to cryogenic. It is
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Supplier: Armstrong International
Description: A high-performance externally air-piloted pressure-reducing valve, the GP-2000K-1/GP-2000K- 3/GP-20000K-6 is an ideal choice when set-point changes are frequent and access to the PRV is difficult. The valve comes totally assembled and requires no field installation except
- Actuation: Electric, Pilot Operated
- Connection: Threaded
- Controlled Pressure Range: 7 to 125 psi
- Features: Diaphragm Valves
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Supplier: Armstrong International
Description: The GP-2000R is a high-performance externally piloted throttling back-pressure valve for large capacity applications. Typical applications would include systems using flash steam for low-pressure heating or processes. The GP-2000R valve will function to maintain a constant
- Actuation: Electric, Pilot Operated
- Connection: Threaded, Bolt Flange
- Controlled Pressure Range: 3 to 200 psi
- Media Description: Steam
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Supplier: Armstrong International
Description: The GP-2000 is a high-performance, externally piloted reducing valve for large-capacity requirements. Typical use is on intermittent service, including applications such as heat exchangers, steam coils, rotating dryers, process equipment and heating systems. With a 20:1 rangeability
- Actuation: Electric, Pilot Operated
- Connection: Threaded, Bolt Flange
- Controlled Pressure Range: 1.5 to 200 psi
- Features: Diaphragm Valves
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Supplier: Proportion-Air, Inc.
Description: High pressure control up to 300 psig Piston Style Operation allows rapid response High relief flow Port size from 1/4 to 1-1/4 inch NPT
- Actuation: Pilot Operated
- Connection: Threaded
- Media Temperature: 32 to 175 F
- Valve Size: 0.2500 to 1.25 inch
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Supplier: OMEGA Engineering, Inc.
Description: SV170 Series 2-way 316 SS solenoid valves are internally piloted. They feature 316 stainless steel construction and FKM seal material. The temperature range of -10 to 138°C (14 to 280°F) and the FKM O-ring make these valves ideal for many aggressive liquids and gases. A
- Actuation: Pilot Operated
- Connection: Threaded
- Number of Ports/Ways: 2
- Pressure Rating: 200 psi
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ISA AUTOMTN CAN PRVNT NEXT FUKUSHIMA - Automation Can Prevent the Next Fukushima
2.10.4 Pilot Operated Relief Valves ..............................191 2.10.5 PRV Specification Form.
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Guidelines for Pressure Relief and Effluent Handling Systems
In this nonmandatoryAppendix(M), the 3%limit on inlet loss is applied to pilot operated relief valves as well as to the common safety relief valves.
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The Effect of Pressure Pulsation and Pilot Setting on the Performance of Pressure Relief Valves
While the information presented in these papers is helpful in understanding relief valve performance, they do not explore the dynamics of pilot operated relief valves .
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CR4 - Thread: Pilot-Operated Relief Valve
Does any body know what they do with a pilot operated relief valve , when there is a hazard of toxic fluid leakage from its piston chamber?
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http://dspace.mit.edu/bitstream/handle/1721.1/91336/49898420-MIT.pdf?sequence=2
Pilot Operated Relief Valve ........................
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CR4 - Thread: Pilot Operated Relief Valve
Pilot Operated Relief Valve .
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Nuclear Systems Enhanced Performance Program, Maintenance Cycle Extension in Advanced Light Water Reactor Design
Simplified Drawing ............................54 Figure 7-2: Pilot Operated Relief Valve - SimplifiedDrawing ....................................
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Thermal Reactor Safety
A common problem associated with a pilot operated relief valve of one particular design is being resolved.
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Guidelines for Engineering Design for Process Safety
14.3.2 Pilot Operated Relief Valves .