Products & Services
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Supplier: Zurn Industries LLC
Description: QHPB Series Pressure Bypass Valve for radiant heat systems Features And Benefits Available in 3/4", 1", and 1-1/4" Pressure bypass valve used in radiant heating systems Prevents a steep rise of pump head and maintains flow at a stable rate One circulator
- Media: Water
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Description: manufacturer Instructions for use of Differential Pressure Bypass Valve Check that all gate valves, ball valves, and needle valves are fully open before use. Observe the pressure between supply/return, adjust the differential pressure pilot
- Media: Air
- Valve Type: Control Valves, Directional Valves, Float Valves
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Supplier: Taco Comfort Solutions
Description: The Taco Differential Bypass Valve provides an accurate and dependable means to control excess flow in zone valve systems that can be created when there is a reduction in the demand for heat. This reduced heat demand typically occurs as zone thermostats are satisfied and their
- Valve Type: Directional Valves
- Media: Water
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Supplier: Lee Co. (The)
Description: This miniature valve is designed to shunt flow across an actuator piston when the system pressure is either shut off or lost. Normally open, the valve contains a hydraulically actuated pilot-to-close feature and is available in a 0.375 in diameter insert to accommodate system
- Valve Size: 0.375 inch
- Pressure Rating: 4,000 psi
- Features: Other
- Valve Type: Shut Off Valves
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Supplier: Plast-O-Matic Valves, Inc.
Description: Series RVT/RVTX is a high capacity angle pattern valve for relief, bypass, backpressure and pump backpressure applications with excellent corrosion resistance. 1/2″ – 2″ sizes in most popular thermoplastic materials and connections; 5 – 125 PSI set range. 3″ size provides settings 5 –
- Valve Size: 3 inch
- Pressure Rating: 150 psi
- Number of Ports/Ways: 2
- Primary Material: CPVC, PVC, Polypropylene (PP)
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Supplier: Watts
Description: Jumper Kits are used in new construction as a temporary by-pass, prior to the actual installation of a water pressure reducing valve on potable water supply systems. The use of a temporary jumper permits testing of the building piping system for leaks and pressure loss and
- Valve Size: 0.75 to 1.25 inch
- Valve Type: Pressure Relief Valves
- Media: Water
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Supplier: Flomatic Valves
Description: Pressure reducing valve with low flow by-pass. Automatically reduces higher unregulated upstream pressure to a lower steady downstream pressure (adjustable) regardless of fluctuations in inlet pressure or flow. The low flow by-pass is accomplished by using the
- Valve Size: 1.25 to 36 inch
- Valve Type: Angle Valves, Control Valves, Pressure Relief Valves
- Actuation: Pilot Operated
- Features: Threaded
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Supplier: Watts
Description: Model 6115-74JM Pressure Reducing Control Valve with Low-Flow By-Pass is constructed the same as 6115-JM with addition of a full 3/4 in. Low-Flow By-Pass, expanding the flow range.
- Valve Type: Control Valves, Pressure Relief Valves
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Supplier: Watts
Description: Designed to automatically reduce a fluctuating higher upstream pressure to a constant lower downstream pressure regardless of varying flow rates. Flow requirements below the range of the main line Pressure Reducing Valve are handled by a separate, valve mounted,
- Valve Size: 4 to 16 inch
- Valve Type: Control Valves, Pressure Relief Valves
- Primary Material: Stainless Steel
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Supplier: Watts
Description: Designed to automatically reduce a fluctuating higher upstream pressure to a constant lower downstream pressure regardless of varying flow rates. Flow requirements below the range of the main line Pressure Reducing Valve are handled by a separate, valve mounted,
- Valve Size: 1.25 to 16 inch
- Valve Type: Control Valves, Pressure Relief Valves
- Primary Material: Ductile Iron
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Supplier: Zurn Industries LLC
Description: the Specification Sheet Features And Benefits 4" pressure reducing valve with low flow bypass Holds downstream pressure to a constant value Pressure gauges, wye strainer, isolation valves, and epoxy coating come standard Globe, reduced port globe, and angle
- Media: Water
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Supplier: Ames Fire & Waterworks
Description: Designed to automatically reduce a fluctuating higher upstream pressure to a constant lower downstream pressure regardless of varying flow rates. Flow requirements below the range of the main line Pressure Reducing Valve are handled by a separate, valve mounted,
- Valve Size: 1.25 to 16 inch
- Port Size: 1.25 to 16 inch
- Controlled Pressure Range: 30 to 300 psi
- Media: Cold Water, Hot Water, Potable Water, Water
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Supplier: RS Components, Ltd.
Description: Straight Bypass valve
- Media Temperature: 248 F
- Primary Material: Brass / Bronze
- Features: Other
- Valve Type: Pressure Relief Valves
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Supplier: Plast-O-Matic Valves, Inc.
Description: Series TRVDT is a high flow relief/by-pass valve with 3-port design, ideal for applications where minimal footprint is required or where use of a piping tee is impractical. Valve has a straight-through flow pattern when closed. When set point is exceeded, the diaphragm is lifted off
- Valve Size: 0.5 to 1 inch
- Pressure Rating: 150 psi
- Number of Ports/Ways: 3
- Primary Material: CPVC, PTFE - Teflon®, PVC, PVDF, Polypropylene (PP)
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Supplier: Radwell International
Description: RELIEF/BACKPRESSURE/BY-PASS VALVES (2 PORT), S-RV SERIES, SIZE 3/4 IN., SEAL PTFE, CONNECTION THREADED, BODY MATERIAL PVC. FREE 2 YEAR RADWELL WARRANTY
- Number of Ports/Ways: 2
- Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
- Features: Threaded
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Supplier: VAT, Inc.
Description: Analysis of the residual gases at base pressure with the gate valve open. Very compact. Gate valve: see section «A», Mini UHV gate valves Series 010. Bypass valves exchangeable: type NUPRO with seat made of Kel-F (bakeable to 90°C), with manual actuator:
- Features: Actuator Shaft / Stem Bellows
- Valve Seat Seal: Elastomeric Seal / O-ring, Metal Seal
- Vacuum / Pressure Range: Elevated Pressures (> 760 torr), Ultra-high Vacuum (< 10-8 torr)
- Type: Gate Valve
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Description: A Relief Valve, or Pop-Off Valve, is a secondary pressure regulating device used to back up the primary regulating device. If the primary regulating device fails to by-pass at a set system pressure, the relief valve will open and allow liquid to flow freely. A
- Valve Size: 0.5 inch
- Pressure Rating: 100 to 7,250 psi
- Number of Ports/Ways: 2
- Primary Material: Brass / Bronze
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Supplier: General Pump
Description: Automatic Pressure Regulating Valve Features Regulates operating pressure of the system by releasing excess volume through the by-pass. Protects the system from over pressurization.
- Valve Size: 0.75 to 1.25 inch
- Pressure Rating: 3,050 psi
- Controlled Pressure Range: 3,050 psi
- Number of Ports/Ways: 3
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Supplier: Plast-O-Matic Valves, Inc.
Description: Series RVD rugged compact designed for use as back pressure valve, straight relief, by-pass relief or back pressure regulator. 1/4″ and 1/2″ sizes in most popular thermoplastic materials and connections; 5 – 150 PSI set range.
- Valve Size: 0.25 to 0.5 inch
- Pressure Rating: 5 to 150 psi
- Number of Ports/Ways: 2
- Features: Other, Threaded
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Supplier: Suttner America Company
Description: Used for adjusting the maximum working pressure and safe guarding the high pressure water pipes. Ideal for steam combination applications. Low pressure limit eliminates need for additional metering devices.
- Valve Size: 0.375 inch
- Pressure Rating: 3,600 psi
- Number of Ports/Ways: 2
- Media Temperature: 176 F
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Description: A Relief Valve, or Pop-Off Valve, is a secondary pressure regulating device used to back up the primary regulating device. If the primary regulating device fails to by-pass at a set system pressure, the relief valve will open and allow liquid to flow freely. A
- Valve Size: 0.5 inch
- Pressure Rating: 400 to 2,200 psi
- Number of Ports/Ways: 2
- Actuation: Mechanical Device
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Supplier: Busch Vacuum Solutions
Description: booster, the pumping speed and ultimate pressure of a vacuum system can be increased by up to a factor of 10. As a result, these pump combinations can generate a suction performance which would otherwise only be possible with a large number of backing pumps. Thanks to the integrated
- Ultimate Operating Vacuum: 18.75 to 1,050 torr
- Pumping Speed: 883 to 3,180 CFM
- Operating Temperature: 41 to 104 F
- Motor Power: 80 HP
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Supplier: Plast-O-Matic Valves, Inc.
Description: Series RVT/RVTX is a high capacity angle pattern valve for relief, bypass, backpressure and pump backpressure applications with excellent corrosion resistance. 1/2″ – 2″ sizes in most popular thermoplastic materials and connections; 5 – 125 PSI set range. 3″ size provides settings 5 –
- Valve Size: 0.25 to 2 inch
- Pressure Rating: 5 to 150 psi
- Number of Ports/Ways: 2
- Port Size: 0.25 to 2 inch
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Supplier: HAWE North America Inc.
Description: is possible up to approx. 30% of Qmax . A by-pass check valve has to be provided for higher reversed flow. These pressure reducing valves feature a override compensation i.e. acting like a pressure limiting valve, if the pressure on the secondary side
- Pressure Rating: 4,351.131 psi
- Valve Type: Control Valves
- Media: Hydraulic Fluid
- Features: Pressure Reducing Regulators, Regulators
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Supplier: General Pump
Description: Pressure Regulating Valve Features Compensated pressure regulating valve Central body and fittings in brass Regulates the bypass of fluid with a minimum variation in pressure Easy maintenance Suitable to be used as a safety valve
- Valve Size: 0.375 inch
- Number of Ports/Ways: 2
- Pressure Rating: 5,600 psi
- Media Temperature: 195 F
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Supplier: Watson McDaniel Company
Description: The 3040 Series Back Pressure Valves relieve upstream pressure in a variety of processes. Automatically maintains desired maximum pressure in a vessel or system by relieving excess pressure into lower pressure return line or to atmosphere. Ideally suited for
- Valve Size: 1 inch
- Controlled Pressure Range: 40 to 125 psi
- Number of Ports/Ways: 2
- Media Temperature: 200 F
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Supplier: Zurn Industries LLC
Description: Pressure Reducing Valve 1-500XLHR come with the hallmark features of the Zurn Wilkins 500XL series that has high flow rates and low fall-off. This water pressure control valve is perfect for your commercial or industrial pressure reduction applications since it
- Valve Type: Check Valves, Control Valves
- Media: Water
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Supplier: UL Standards & Engagement
Description: Pressure Test, Section 20, is permitted to have a lower minimum service pressure rating if it is marked in accordance with 2. Maximum differential pressure produced when subjected to the Differential Pressure Test, Section 20 Anhydrous ammonia and LP-Gas equipment minimum
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Supplier: Zurn Industries LLC
Description: Pressure reducing valve 500XLFCBP has a balanced piston design which enables the regulator to respond seamlessly to changes in the system flow demand, ultimately providing vital protection from inlet pressure changes. This pressure control valve has a all-bronze
- Features: English
- Fitting Type: Reducer
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Supplier: Rupture Pin Technology
Description: Model O-A Relief Valve • Differential pressure relief valve. • With piston stem areas equal, the valve "sees" only differential pressure as across a filter or positive displacement meter. Advantages: • Easy to put in service without requiring a bypass
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Supplier: General Pump
Description: Unloader, manual bypass lever and automatic operation Features 3 way flow-through design pressure regulator with by-pass lever and automatic unloading Regulates operating pressure of the system by releasing excess volume through the by-pass. Adjusted pressure can be set
- Valve Size: 0.75 to 1.5 inch
- Pressure Rating: 2,900 psi
- Controlled Pressure Range: 2,900 psi
- Number of Ports/Ways: 3
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Supplier: HydraCheck Inc.
Description: The HV series of loading valve gives smooth progressive pressure control in both flow directions allowing components such as cylinders or motors to be tested without re-plumbing the test connections. The valve features the exclusive INTERPASS safety disc system which protects
- Pressure Rating: 6,000 psi
- Media Temperature: 32 to 250 F
- Media: Hydraulic Fluid
- Actuation: Manual / Hand
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Supplier: ISC Sales, Inc.
Description: Information: When faced with extreme pressures, our pressure reducing valves maintain a uniform downstream pressure. Regardless of the problem, regardless of the application, our valves perform under pressure. Under normal pressure reducing
- Features: Bolt Flange, ISO, Socket Weld / Solder, Threaded
- Valve Type: Control Valves
- Actuation: Pilot Operated
- Media: Water
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Featured Products Top
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The Sporlan Type HGB, and SHGB discharge bypass regulating valves have a brass body. The smaller capacity direct acting valves are available with SAE or ODF connections. The larger capacity pilot operated valves have extended copper connections. The direct acting valves are available with (read more)
Browse Pressure Relief Valves Datasheets for Parker Sporlan Division -
the specific variation of this valve, the application may include, but is not limited to; • Evaporator pressure control, temperature control, defrosting, Maximum Cooling, regulating defrost, Crankcase pressure regulation, Liquid Chillers, Low Pressure Drop, Hot Gas Bypass, Load (read more)
Browse Pressure Regulators Datasheets for Parker Sporlan Division -
ThermOmegaTech®, the leading manufacturer of thermostatically controlled valves and actuators, is excited to introduce a brand-new product, the Thermal Bypass Valve with Pressure Relief (read more)
Browse Tempering Valves and Thermally Actuated Valves Datasheets for ThermOmegaTech® -
ThermOmegaTech® specializes in temperature based control solutions. Our thermostatic thermal bypass valves automatically and precisely divert inlet flow to a heat exchanger or bypass it directly to a reservoir based solely on fluid temperature. These valves ensure accurate control of fluid (read more)
Browse Industrial Valves Datasheets for ThermOmegaTech® -
The GC series are applicable as gas cooler / condenser holdback valves, but can also be applied as flash tank pressure regulating valves (flash gas bypass). The FGB -60 and -70 are specifically designed to extend the capacity range of the GC family when applied as flash gas bypass valves (read more)
Browse Solenoid Valves Datasheets for Parker Sporlan Division -
Pressure Relief Valves—also called safety valves, bypass valves, pump relief valves, or pump safety valves—protect pumps, systems, and tanks from excessive pressure. Prevent damage, reduce the risk of cavitation, and increase personnel wellbeing with this essential safety component. (read more)
Browse Industrial Valves Datasheets for Blacoh Fluid Control, Inc. -
Relief, Backpressure, Bypass & Anti-Siphon Valves Prevent system overpressure, regulate backpressure, provide automatic bypass, and eliminate siphon with high (read more)
Browse Diaphragm Valves Datasheets for Plast-O-Matic Valves, Inc. -
safe area. Other sample systems offering fast loop bypass, high pressure sample return with the ability to cope with dirty or condensate laden samples are also available and can be tailored to specific customer requirements (read more)
Browse Gas and Liquid Samplers Datasheets for Shaw Moisture Meters -
, leak-free connecting point. Valves: Selecting the right valve is critical for managing flow after the tap. Ball valves, gate valves, and plug valves are common options, each with a different pressure and flow requirements. Line Stopping Systems and Bypass (read more)
Browse Plugs, Stoppers, and Inserts Datasheets for Petersen Products Co. -
careful planning and specialized techniques to ensure safety, minimize downtime, and maintain system integrity. Professionals often use an Inflatable Line Stop specified for the project based on pressure, chemical, temperature, and flow. The system inserts an inflatable plug through a hot tap valve to (read more)
Browse Plugs, Stoppers, and Inserts Datasheets for Petersen Products Co.
Conduct Research Top
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Introduction to Relief/Bypass/Backpressure Valves
TRUE BLUE (R) RELIEF VALVES PROVIDE SMOOTH, SENSITIVE OPERATION TO HELP YOU MANAGE PRESSURE "UPSTREAM " OF THE VALVE.
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Understanding Capillary Tube Thermal Mass Flow Meters & Controllers:
Mass Flow Meter or Controller?. Capillary tube thermal mass flow meters directly measure the mass flow rate of clean gases and gas mixtures in lower flow ranges. A capillary tube thermal mass flow controller adds an integrally mounted flow control valve to the flow body of the mass flow meter
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System Design and Management Program
V2 Raw Water Isolation Valve Open V7 High- Pressure Bypass Valve Open V14 Proportioning Brominator Bypass Valve Closed V16 Engine Water Make-Up Isolation Valve Closed V17 Cleaning Valve Normal .
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Journal of Propulsion and Power > High-Pressure Steam Flow in Turbine Bypass Valve System Part 1: Valve Flow
Analysis of Flow through High Pressure Bypass Valve in Power Plant.
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Load Rejection Capability for Large Steam Generators
setting for the high pressure bypass valve .
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Reappraisal of Auxiliary Supply and Controls for Avon No. 8
During the short interval after a trip-out, while the turbine valves are closing and the superpressure and low- pressure by-pass valves are rapidly opening, there is a rapid increase of high-temperature steam flow directly into the condenser.
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Proceedings of ISES World Congress 2007 (Vol. I – Vol. V)
For the protection of pump, the installation of differential pressure by-pass valve is essential.
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7th AVL International Commercial Powertrain Conference Proceedings (2013)
High pressure Bypass valve control zone .