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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" through "T" Air &
- Valve Size: 1 to 8 inch
- Controlled Pressure Range: 900 to 6,170 psi
- Connection Description: Bolt Flange
- Media: Gas, LP - Gas, Natural Gas
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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.
- Valve Size: 1 to 24 inch
- Features: Directional Valves, Pilot Valves, Pressure Relief Valves, Safety Valves
- Media: Steam
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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.
- Valve Size: 0.5 to 1 inch
- Pressure Rating: 3,480.9048 psi
- Controlled Pressure Range: 100.076013 to 3,495.40857 psi
- Number of Ports/Ways: 2
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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 versions with
- Valve Size: 0.393701 to 1.2598432 inch
- Pressure Rating: 5,076.3195 psi
- Media Temperature: -4 to 176 F
- Features: Control Valves, ISO, Pressure Relief 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.
- Valve Size: 0.75 to 1 inch
- Pressure Rating: 0 to 5,000 psi
- Controlled Pressure Range: 0 to 5,000 psi
- Number of Ports/Ways: 2
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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 the
- Valve Size: 0.75 to 1.25 inch
- Pressure Rating: 5,076.3195 psi
- Media Temperature: -4 to 176 F
- Connection Description: Bolt Flange
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Supplier: HydraForce, Inc.
Description: An in-line-housed, double-pilot-operated, hydraulic check valve with 2 thermal reliefs for use in blocking or load holding circuits.
- Pressure Rating: 3,500 psi
- Media Temperature: -15 to 400 F
- Number of Ports/Ways: 2
- Valve Type: Cartridge / Manifold Valves, Check Valves, Pilot Valves
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Supplier: Atos North America
Description: to align valve regulation to the reference signal supplied to the electronic driver. The pilot relief valve with manual adjustment is installed to limit the max pressure value. The integral electronics ensures factory presetting, fine functionality plus
- Valve Size: 0.393701 to 1.2598432 inch
- Pressure Rating: 5,076.3195 psi
- Media Temperature: -4 to 176 F
- Features: Control Valves, ISO, 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.
- Valve Size: 0.25 to 0.375 inch
- Pressure Rating: 3,500 psi
- Media Temperature: -40 to 400 F
- Number of Ports/Ways: 2
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Supplier: Almo Manifold & Tool Co.
Description: Relief accessory for relief covers, adjustable relief setting
- Pressure Rating: 150 to 5,000 psi
- Number of Ports/Ways: 4
- Media: Hydraulic Fluid
- Actuation: Pilot Operated
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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
- Pressure Rating: 20 to 3,800 psi
- Number of Ports/Ways: 2
- Media: Air, Compressed Air, Hydraulic Fluid
- Primary Material: Aluminum, Exotic Metal
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Supplier: Bosch Rexroth Corporation
Description: developed multiple direct and pilot operated designs provide a wide range of hydraulic flow capacity for any relief circuit.
- Valve Size: 0.2362206 to 1.2598432 inch
- Media: Hydraulic Fluid
- Features: Pressure Relief Valves, Solenoid 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: 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 relief valves
- Pressure Rating: 1,015.2639 to 5,076.3195 psi
- Media: Hydraulic Fluid
- Actuation: Pilot Operated
- Features: Pressure Relief Valves, Solenoid 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
- Valve Size: 1.5 to 8 inch
- Pressure Rating: 400 psi
- Primary Material: Ductile Iron, Stainless Steel
- Actuation: Pilot Operated
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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
- Valve Size: 1.5 to 8 inch
- Pressure Rating: 250 psi
- Features: Control Valves, Pressure Relief Valves
- Primary Material: Ductile Iron, Stainless Steel
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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
- Valve Size: 1.5 inch
- Pressure Rating: 150 to 6,000 psi
- Number of Ports/Ways: 2
- Features: Angle 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,
- Valve Size: 0.5 inch
- Actuation: Pilot Operated
- Features: Pilot Valves, Pressure Relief Valves
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Supplier: Watts
Description: The Model SSPV20DP is a remote sensed, diaphragm actuated Pilot that is used for maintaining a constant differential. It is normally held closed by the force of the adjustable spring and low (downstream) pressure above the diaphragm. The high(upstream) pressure is pushing the pilot
- Valve Size: 0.5 inch
- Actuation: Pilot Operated
- Features: Pilot Valves, Pressure Relief Valves
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Supplier: UL Standards & Engagement
Description: 1.1 These requirements cover direct acting (spring loaded) and pilot operated fire pump relief valves of nominal 3/4 inch (19.05 mm) size and larger, intended for use in water supply systems for fire protection service. 1.2 Requirements for the installation and use of
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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: CSA Group
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: UL Standards & Engagement
Description: 1.1 These requirements cover direct acting (spring loaded) and pilot operated fire pump relief valves of nominal 3/4 inch (19.05 mm) size and larger, intended for use in water supply systems for fire protection service. 1.2 Requirements for the installation and use of
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Supplier: Air Logic
Description: The V-5700 and V-5800 Series Vacuum Piloted 3-Way Valve has an adjustable vacuum pilot setpoint; the sensing vacuum range is 1 to 28" Hg. Maximum signal pressure is 29.9" Hg.
- Valve Size: 0.0625 to 0.125 inch
- Pressure Rating: 100 psi
- Media Temperature: 40 to 120 F
- Port Size: 0.0625 to 0.125 inch
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Supplier: Watts
Description: Valve, its throttling action causes the Main Valve to throttle open or closed accordingly. Turning the adjustment screw clockwise raises the control setpoint, increasing main valve outlet pressure. Turning the adjustment screw counterclockwise lowers the control setpoint,
- Valve Size: 0.375 inch
- Actuation: Pilot Operated
- Features: Pilot Valves, Pressure Relief Valves
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Supplier: Daniel Measurement and Control Inc.
Description: These valves are externally pilot-operated, making one basic valve perform many different functions. Multiple pilot arrangements, easily modified, allow you to choose or change valve capability as required. Unique design features and unit-built construction
- Valve Size: 2 to 16 inch
- Pressure Rating: 15 to 1,480 psi
- Number of Ports/Ways: 2
- Media Temperature: -20 to 400 F
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Supplier: Radwell International
Description: VALVE, PILOT-OPERATED, MAX PRESSUE: 5000 PSI, BALANCED PISTON RELIEF VALVE. FREE 2 YEAR RADWELL WARRANTY
- Features: Pilot Valves, Piston Valves, Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
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Supplier: Radwell International
Description: CARTRIDGE VALVE, PILOT OPERATED, PRESSURE RELIEF. FREE 2 YEAR RADWELL WARRANTY
- Features: Cartridge / Manifold Valves, Pilot Valves, Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
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Supplier: Rotork plc
Description: Valves, Pilot Valves, Interface Valves, Quick Exhaust Valves, Check Valves, Relief Valves, Pumps, Pressure Intensifiers, Pressure Transmitters, Fittings, Adaptors and Nipples Up to 1"" actuated solutions available
- Pressure Rating: 20,000 psi
- Valve Type: Needle Valves
- Actuation: Pilot Operated
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Supplier: Rotork plc
Description: Valves, Pilot Valves, Interface Valves, Quick Exhaust Valves, Check Valves, Relief Valves, Pumps, Pressure Intensifiers, Pressure Transmitters, Fittings, Adaptors and Nipples Up to 1"" actuated solutions available
- Pressure Rating: 20,000 psi
- Valve Type: Ball Valves
- Actuation: Pilot Operated
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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:
- Valve Size: 1.25 to 36 inch
- Features: Angle Valves, Control Valves, Pressure Relief Valves
- Actuation: Pilot Operated
- Connection Description: Threaded
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Supplier: Eaton Hydraulics Group
Description: Sectional CML Valves For precise electrohydraulic proportional control, look for Eaton hydraulic load-sensing sectional CML60 valves. Designed for a broad range of mobile applications including aerial work platforms, winches, cranes and more, these valves combine proven
- Pressure Rating: 4,700 to 5,050 psi
- Valve Type: Control Valves
- Actuation: Electro-hydraulic, Pilot Operated
- Media: Hydraulic Fluid
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Supplier: HAWE North America Inc.
Description: These pressure limiting valves are electrically remote controlled and rule the hydraulic pressure within the system. This enables arbitrary control of the maximum pressure in the circuit there by protecting it depending on the momentarily required condition. These valves are either
- Pressure Rating: 652.66965 to 10,152.639 psi
- Media: Hydraulic Fluid
- Features: Manual / Hand, Pressure Relief Valves
- Actuation: Pilot Operated
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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 accuracy than
- Valve Size: 0.5 to 2 inch
- Pressure Rating: 15 to 250 psi
- Controlled Pressure Range: 5 to 125 psi
- Number of Ports/Ways: 2
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Supplier: SC Hydraulic Engineering Corporation
Description: The PRC and PRO series unloading valves are available in four operating pressures from 6,000 psig up to 30,000 psig. used to automatically release hydraulic pressure replacing the standard manual shut off type release valve found in most high pressure systems. The unloading
- Valve Size: 0.5 inch
- Pressure Rating: 20,000 psi
- Controlled Pressure Range: 20,000 psi
- Number of Ports/Ways: 2
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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 .