Long-life Low Cost Back Pressure valves

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  • Range fo Safety Valve - ASME Pressure Safety Valves

    Back Pressure Valves ... Simple structure, low cost, long life, suitable for Low pressure Working conditions. EDL. Multi-orifice cage bypass, low noise, suitable for middle and low-pressure conditions. EDM. Multistage decompression to preventing cavitation, reducing velocity, suitable for high-pressure …

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  • Back Pressure & Relief Valves - PSG

    2020-12-15 · BACK PRESSURE VALVES RELIEF VALVES Specifications FEATURES AND BENEFITS BACK PRESSURE VALVES • Assures accurate metering to prevent siphoning • Broad range of valve body materials • Long-life PTFE diaphragm • Field adjustable to a maximum pressure of 50 psi (3.4 bar) • Low maintenance RELIEF VALVES

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  • Products - Automatic Air Release Valves

    Back Pressure Valves ... Products; Products. EDT. Simple structure, low cost, long life, suitable for Low pressure Working conditions. EDL. Multi-orifice cage bypass, low noise, suitable for middle and low-pressure conditions. EDM. Multistage decompression to preventing cavitation, reducing velocity, suitable for high-pressure conditions. EB7.

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  • Lion Heart Limited Inc. Valves

    2021-5-12 · Pressure Reducing Valves. Pressure Reducing valves are designed to reduce the incoming water or steam pressure to a safer constant predetermined downstream level. A pressure reducing valves is an automatic control valve designed reduces a higher unregulated inlet pressure to a constant; reduce downstream pressure regardless of variation in demand upstream water pressure.

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  • BV 60: BACK PRESSURE CONTROL/PRESSURE RELIEF

    2016-6-6 · through the valve itself and back to the supply point, negating the need for separate exhaust piping to the ... low lifetime cost of ownership - due to superior design, long-life ... The valve reseats within 10% of the relief set pressure. Precision relief valves are safe and leak free under almost all applications. Knowledge of relief valve ...

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  • Pressure Reducing Valve|Forged Gate Valve Exporter

    2021-5-13 · Tideflex valves are unibody, rubber check valves which means they do not rust and are resistant to most chemicals found in wastewater. They do not block easily and are self clearing, so they have a long life span and require no maintenance, unlike traditional flap valves.

    Get Price
  • Relief Valves Gaseous and Liquid Service Ranges

    The diesel engine air system consists of intake and exhaust manifolds, turbocharger, charge air cooler (CAC), EGR circuit, intake throttle (IT) and exhaust back-pressure valve (EBP valve), other air/gas control valves, and valvetrain. Its relationship with other systems is shown in Fig. 13.1.The goal of air system design is to achieve desirable air–fuel ratio, EGR rate, exhaust gas ...

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  • Griffco BPM Back Pressure Valve WA OR MT ID AK HI

    Multiple diaphragm material options. Long diaphragm life. Adjustable up to 350 psi (24 bar) 4 optional pressure ratings (springs) Valve sizes from 1/4″ to 1/2″ or DN 8 to DN 15. Tamper-resistant adjustment screw. High-temperature option up to 300°F (149°C) Factory …

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  • Products - Automatic Air Release Valves

    Back Pressure Valves ... Products; Products. EDT. Simple structure, low cost, long life, suitable for Low pressure Working conditions. EDL. Multi-orifice cage bypass, low noise, suitable for middle and low-pressure conditions. EDM. Multistage decompression to preventing cavitation, reducing velocity, suitable for high-pressure conditions. EB7.

    Get Price
  • VALVES & CONTROLS Product Guide

    2020-9-20 · Low cost maintenance. Performance • • Wide spring selection range. Various types of pressure regulating valves for liquids & gases. Design Flexibility • • • Pressure reducing type (P2 control). Back pressure/Relief type (P1 control). Tank blanketing type. Specification KOMOTO® pressure regulating valves are designed for

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  • Griffco Pressure Relief Valves - High-Pressure Models

    Pressure range 350 to 2000 psi (24 to 135 bar) High reliability at a low cost. Compact size for OEM applications. 2-port, 90º configuration. PVDF piston. Solid, robust, machined construction. Threaded and socket connection options. 316 SS top standard. Composite PTFE/EPDM diaphragm. Multiple diaphragm material options. Long diaphragm life

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  • Everything You Need to Know About Pressure

    Pressure reducing valves start at around 50. Having a new pressure reducing valve installed by a professional plumber will probably set you back around 350. If you’re more of hands-on, DIY-type homeowner, you can purchase one and install it yourself.

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  • Adjustable Pressure Relief Valve | Pressure Safety

    The relief pressure setting can be bypassed to completely open the valve for CIP cleaning without over-pressuring the valve and pipeline. Features and Benefits: Utilizes standard W60/W80 single seat components offering machined-from bar bodies, modular design, Tef-Flow™ P stems, and low cost …

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  • Fundamentals of Pressure Relief Valves - ASGMT

    2015-3-2 · Relief valves are available in four general types. These include: pop type, direct-operated, pilot-operated, and internal relief valves. Selection Criteria Pressure Build-up Cost Versus Performance Given several types of relief valves to choose from, selecting one type is generally based on the ability of the valve to provide adequate

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  • Bellows Seal Valve - Conval, Inc.

    Low Operating Torque. The manual bellows seal valve is provided with a rugged bearing system and grease fitting to minimize operating torque over the life of the valve. Double Back-up Seating. In the full open position, Conval bellows seal valves are equipped with a superior backseat, isolating a secondary stem seal from the process fluid.

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  • Fisher EZL Series Pressure Reducing Regulator for Low ...

    Fisher EZL Series regulators are accurate pilot-operated, pressure balanced, soft-seated regulators. They are designed for use in natural gas distribution applications such as district regulating stations and commercial/industrial meter sets. They provide low differential, smooth, reliable operation, tight shutoff and long life.

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  • Wastewater Technology Fact Sheet: Sewers, Force Main

    2012-9-26 · Valves are installed to regulate wastewater flow and pressure in the force mains. Valves can be used to stop and start flow, control the flow rate, divert the flow, prevent backflow, and control and relieve the pressure. The number, type, and location of force main valves depends on the operating pressures and potential surge conditions in the ...

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  • Products - Automatic Air Release Valves

    Back Pressure Valves ... Products; Products. EDT. Simple structure, low cost, long life, suitable for Low pressure Working conditions. EDL. Multi-orifice cage bypass, low noise, suitable for middle and low-pressure conditions. EDM. Multistage decompression to preventing cavitation, reducing velocity, suitable for high-pressure conditions. EB7.

    Get Price
  • Griffco BPHF High Flow Back Pressure Valve WA OR ID ...

    High-Flow diaphragm back pressure valves apply a pre-set back pressure in a chemical system. SERIES DETAILS: Griffco High-Flow diaphragm back pressure valves are designed to enhance the performance of chemical feed systems by applying a continuous back pressure to the chemical feed pump, while also acting as an anti-syphon valve.

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  • VALVES & CONTROLS Product Guide

    2020-9-20 · Low cost maintenance. Performance • • Wide spring selection range. Various types of pressure regulating valves for liquids & gases. Design Flexibility • • • Pressure reducing type (P2 control). Back pressure/Relief type (P1 control). Tank blanketing type. Specification KOMOTO® pressure regulating valves are designed for

    Get Price
  • HCV12-20 - HydraForce

    Hardened seat for long life and low leakage. Optional bias springs for back-pressure application flexibility. Fully guided check assembly. Cost-effective cavity. All HyPerformance products are tested to the rigorous standards of the NFPA specification T2.6.1. All HyPerformance valves are tested at a verification level of 90% and an assurance of ...

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  • Tideflex Duckbill Valves | MeasurIT

    The one-way valves operate on differential pressure, using line pressure and back pressure to open and close, so no outside energy source is required. The Tideflex check valve has an extremely low cracking pressure - weep flow starts from 1-2 inches of differential water head - so the valve is self-draining.

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  • Plug Valve Supplier Lubricated Firesafe Pressure

    Energy Valves manufacture API6D and API6A high and low pressure trunnion ball and plug valves for critical or difficult conditions. The owner of energy Valves has 40 years experience in the design and manufacture of ball and plug valves and actually designed and manufactured the first forged trunnion ball valves and lubricated plug valves to be ...

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  • D7 Inflation Deflation Valve - Leafield Marine -

    High quality materials to ensure long life. ... low cost spanner for use in the field or as part of a spares kit. For use on a D7, C7 valves and A6, A9 Pressure relief valves. Cannot be used with a torque wrench. Pressure Gauge. 0 – 8.5 range or 0 - 20 PSI range, high accuracy. Ideal for ensuring the optimum performance of your RIB and Raft.

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  • Frequently Asked Questions: Water Pressure Reducing

    However, because of water and energy shortage in addition to cost problems, water pressure reducing valves have become increasingly more important because they automatically provide the advantage of conserving water and energy. 9. How do Water Pressure Reducing Valves save water? As mentioned before, 1/3 less water flows 50 lbs. than at 100 lbs.

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  • Rotary Cone Valves - Henry Pratt Company

    2017-4-11 · 24' rotary cone valves in operation since 1956. Applications Pump Control Valve • The Pratt® Rotary Cone Valve is commonly used as a pump control valve. The unobstructed flow allows for very low headloss that results in low pumping costs. The valve also offers drop tight closure which prevents back flow.

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  • Pressure Relief valve sizing and design - SlideShare

    2016-8-12 · Pressure Relief valves Type of relief valves Balanced Relief Valves Pro: Better handling of corrosive fluids. Less sensitivity to back-pressure Wide range of materials High Temperature version available Contra: Prone to leak Long simmer > 95% valve opening Higher maintenance cost Limited bellows life 11. Pressure Relief valves Type of relief ...

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  • Back Pressure & Relief Valves - PSG

    2020-12-15 · BACK PRESSURE VALVES RELIEF VALVES Specifications FEATURES AND BENEFITS BACK PRESSURE VALVES • Assures accurate metering to prevent siphoning • Broad range of valve body materials • Long-life PTFE diaphragm • Field adjustable to a maximum pressure of 50 psi (3.4 bar) • Low maintenance RELIEF VALVES

    Get Price
  • ADAMS - Check Valves

    Low pressure loss. MAG + Excellent tight shut-off behaviour. Minimal maintenance cost. Additional screw retention. GMZ + High availability and long service life. Adjustable hydraulic damping facility. Additional screw retention. FCV + Robust forged steel construction. Absorbs high dynamic forces.

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  • Pressure Reducing Valve|Forged Gate Valve Exporter

    2021-5-12 · Pressure Reducing Valves. Pressure Reducing valves are designed to reduce the incoming water or steam pressure to a safer constant predetermined downstream level. A pressure reducing valves is an automatic control valve designed reduces a higher unregulated inlet pressure to a constant; reduce downstream pressure regardless of variation in demand upstream water pressure.

    Get Price
  • Industrial Sales Focus: HVAC&R, Valves & Flow Meters ...

    2009-5-7 · • Back pressure monitoring Potential Sensor and Switch Applications. ... • Low total installed cost • Accuracy and long life • Wireless capabilities Successful Selling Tactics. Customer Needs. Sensor: Customer required a fire and smoke damper control for actuators. ... low-cost way to monitor airflow pressure across a

    Get Price
  • Level Transmitters/Controllers - Valves - Baker Hughes ...

    2021-5-11 · High temperature and pressure rating allowing long life in a wide range of severe applications. Non-contact sensor reduces wear and increases product life and reliability. Smart filtering to reduce oscillations for high accuracy.

    Get Price
  • Exhaust Back-Pressure - an overview | ScienceDirect

    The diesel engine air system consists of intake and exhaust manifolds, turbocharger, charge air cooler (CAC), EGR circuit, intake throttle (IT) and exhaust back-pressure valve (EBP valve), other air/gas control valves, and valvetrain. Its relationship with other systems is shown in Fig. 13.1.The goal of air system design is to achieve desirable air–fuel ratio, EGR rate, exhaust gas ...

    Get Price
  • Ball Valves Selection Guide | Engineering360

    2020-8-20 · high pressure, and high temp flow. Difficult to clean, leads to contamination. Rugged construction and long. service life . Low purchase and maintenance cost . Able to function without side loads . Permits inspection and repair of seats. and seals without removing the valves' body. from the line . Does not require lubrication

    Get Price
  • Slide Gates - Fresno Valves & Castings

    Series 6600 Slide Gates are used where pressure is in the seating direction only. Flat back models for headwall or flange mounting. Spigot back models for mounting to corrugated pipe. Applications include canals and ditches, flood control systems, oil refineries, fish hatcheries, and various low head industrial water control systems.

    Get Price
  • Tideflex Duckbill Valves — MeasurIT

    2021-5-13 · Tideflex valves are unibody, rubber check valves which means they do not rust and are resistant to most chemicals found in wastewater. They do not block easily and are self clearing, so they have a long life span and require no maintenance, unlike traditional flap valves.

    Get Price
  • Valve Solutions - Flowrox

    2019-6-25 · The Flowrox Pinch Valves were chosen to gain long-term benefits based on low total cost of ownership. The PVE control valves at the plant are actuated by pneumatic double acting actuators with positioners. Also, all of the on/off PVG valves include limit switches for position indication. “In the future, we are definitely expecting

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  • ADAMS - Check Valves

    Low pressure loss. MAG + Excellent tight shut-off behaviour. Minimal maintenance cost. Additional screw retention. GMZ + High availability and long service life. Adjustable hydraulic damping facility. Additional screw retention. FCV + Robust forged steel construction. Absorbs high dynamic forces.

    Get Price
  • Industrial Sales Focus: HVAC&R, Valves & Flow Meters ...

    2009-5-7 · • Back pressure monitoring Potential Sensor and Switch Applications. ... • Low total installed cost • Accuracy and long life • Wireless capabilities Successful Selling Tactics. Customer Needs. Sensor: Customer required a fire and smoke damper control for actuators. ... low-cost way to monitor airflow pressure across a

    Get Price
  • Pressure Reducing Valve|Forged Gate Valve Exporter

    2021-5-12 · Pressure Reducing Valves. Pressure Reducing valves are designed to reduce the incoming water or steam pressure to a safer constant predetermined downstream level. A pressure reducing valves is an automatic control valve designed reduces a higher unregulated inlet pressure to a constant; reduce downstream pressure regardless of variation in demand upstream water pressure.

    Get Price
  • Level Transmitters/Controllers - Valves - Baker Hughes ...

    2021-5-11 · High temperature and pressure rating allowing long life in a wide range of severe applications. Non-contact sensor reduces wear and increases product life and reliability. Smart filtering to reduce oscillations for high accuracy.

    Get Price
  • Exhaust Back-Pressure - an overview | ScienceDirect

    The diesel engine air system consists of intake and exhaust manifolds, turbocharger, charge air cooler (CAC), EGR circuit, intake throttle (IT) and exhaust back-pressure valve (EBP valve), other air/gas control valves, and valvetrain. Its relationship with other systems is shown in Fig. 13.1.The goal of air system design is to achieve desirable air–fuel ratio, EGR rate, exhaust gas ...

    Get Price
  • Slide Gates - Fresno Valves & Castings

    Series 6600 Slide Gates are used where pressure is in the seating direction only. Flat back models for headwall or flange mounting. Spigot back models for mounting to corrugated pipe. Applications include canals and ditches, flood control systems, oil refineries, fish hatcheries, and various low head industrial water control systems.

    Get Price
  • Hydraulic valve technology | Voith

    The current actuator position is fed back using a direct mechanical linkage and consequently in real time. Benefit from high-quality parts and a long service life when equipping your machines with our servo valves. When designing position control circuits, the actuator position is usually fed back …

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  • Spira-trol - General Service Control Valves - Spirax

    Spira-trolTM General service control valves Designed to meet the demands of today’s industries, the Spirax Sarco Spira-trol™ control valve is robust, innovative and cost effective. • Adaptable to your needs - a highly flexible modular design to meet your process requirements • Set and forget exceptional valve life, easy commissioning and low maintenance requirements • Improved ...

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  • Ball Valves Selection Guide | Engineering360

    2020-8-20 · high pressure, and high temp flow. Difficult to clean, leads to contamination. Rugged construction and long. service life . Low purchase and maintenance cost . Able to function without side loads . Permits inspection and repair of seats. and seals without removing the valves' body. from the line . Does not require lubrication

    Get Price
  • Knife gate valves - VELAN - PDF Catalogs | Technical ...

    Many times the cycle life of a standard knife gate valve. > Bonnetted design.Standard body-bonnet joint with an efficient non-asbestos reinforced fiber or PTFE gasket. Standard packing chamber with 125 RMS wall finish, burnished non-rotating stem and PTFE or graphite packing rings. > Long-life leakproof stem seal. > U.S. Patent # 5295661 No dewatering of stock, unlike standard knife gate ...

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  • Check Valves • Pressure Relief Valves

    Additionally, most of our check valves can also be used as pressure relief valves as long as the o-ring side vents to atmosphere. To ensure optimal valve performance every time, it is important to communicate any liquids/gasses used, application environment, and intended shelf life. The more we know about your low pressure, low flow needs, the ...

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  • For directional, pressure, flow-control, check and safety ...

    2020-9-18 · low pressure loss Save space and weight with compact design Long life at maximum performance levels High functional stability throughout the entire pressure and flow rate range construction, agricultural and municipal Flexibility, availability and good cost performance ratio Safety: All valves are tested before leaving the factory

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  • Pressure Reducing Valve|Forged Gate Valve Exporter

    2021-5-12 · Pressure Reducing Valves. Pressure Reducing valves are designed to reduce the incoming water or steam pressure to a safer constant predetermined downstream level. A pressure reducing valves is an automatic control valve designed reduces a higher unregulated inlet pressure to a constant; reduce downstream pressure regardless of variation in demand upstream water pressure.

    Get Price
  • Series EVS Pneumatic Liquid Level Controller -

    Back Pressure Valves. 3535 Diaphragm Operated Back Pressure Valve, Low Pressure, Single Seat; 5555 Back Pressure Valve, Double Seated (Balanced) ... Series EVS controllers operate using Norriseal’s force-balance technology, which delivers proven reliability and long service life. Service-enhanced design makes units simpler to install and easy ...

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  • The relief valve check table - High Pressure

    Detail. Test Bench For Pressure Safety(Relief) Valve Acc. to standards:API 526, ANSI/API RP 576, API 527 - The patented design ensures the universality of the whole machine, long life, and convenient operation, and it is the pioneer of high-pressure safety valve test bench in China; - The outlet pressure is adjustable steplessly, which solves the problem of high, middle and low pressure safety ...

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  • 100DVSS - 1 in. DV Series Inline Plastic Residential ...

    1 in. (26/34) Slip-by-Slip (SS) configuration for low cost, solvent-weld installations Double-filtered pilot-flow design for maximum reliability Balanced-pressure diaphragm for long life External bleed to manually flush system of dirt and debris during installation and system start-up Internal bleed for spray-free manual operation Energy-efficient, low-power encapsulated solenoid with captured ...

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  • Industrial Sales Focus: HVAC&R, Valves & Flow Meters ...

    2009-5-7 · • Back pressure monitoring Potential Sensor and Switch Applications. ... • Low total installed cost • Accuracy and long life • Wireless capabilities Successful Selling Tactics. Customer Needs. Sensor: Customer required a fire and smoke damper control for actuators. ... low-cost way to monitor airflow pressure across a

    Get Price
  • 100DVFSS - 1 in. DVF Series Inline Plastic Residential ...

    1 in. (26/34) Slip-by-Slip (SS) configuration for low cost, solvent-weld installations Unique, easy-to-turn patented pressure assisted flow control mechanism Double-filtered pilot-flow design for maximum reliability Balanced-pressure diaphragm for long life External bleed to manually flush system of dirt and debris during installation and system start-up Internal bleed for spray-free manual ...

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  • Tideflex Duckbill Valves — MeasurIT

    2021-5-13 · Tideflex valves are unibody, rubber check valves which means they do not rust and are resistant to most chemicals found in wastewater. They do not block easily and are self clearing, so they have a long life span and require no maintenance, unlike traditional flap valves.

    Get Price
  • Non-Slam Check Valves Swing Check Valves - Campbell

    2020-2-3 · DFT Inc. 140 Sheree Blvd. PO Box 566, Exton, PA 19341 toll-free 800-206-4013 fax 610.524.9242 e-mail [email protected] DFT Valves website www.dft-valves.com 3 Both non-slam check valves and swing check valves are suitable for use in a wide range of applications.

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