Sizes 1/2 to 2" thread or flange Dn15 to DN1000. View product specs. 160-2 Pressure Relief Valve. LFF116. The purpose of a pilot valve is to control the opening and closing of the main valve by trapping or releasing water from the main valve's "operating chamber" ("K" - the chamber above the main valve piston). Series LFF116, LFF1116 Pressure Relief, Sustaining or Backpressure Control Valve is designed to permit flow when upstream pressure is above the adjustable setpoint of the control pilot, and throttle toward closed when upstream pressure falls below the adjustable setpoint. 1 "- 12" Consult factory for configuration. They are a vital component in chemical injection systems for safe and economical operation. Body pressure range: 25bar. The throttled position of the main valve diaphragm assembly is controlled by a pilot valve which senses the upstream pressure. The Cla-Val Model 750-01 Pressure Relief, Sustaining and Back Pressure Valve is a hydraulically operated pilot actuated automatic control valve. Pressure Sustaining: Prevents inlet pressure from dropping below a predetermined minimum Operates over a wide flow range Inlet pressure is adjustable with a single screw Quick opening; adjustable closing speed Can be maintained without removal from the line Factory tested and can be pre-set to requirements Testimonials Get in touch with us. Visit our Customer Support page to find the answers you're looking for. Australian manufactured pressure relief valves for installations of water, air, gas, oil, steam and chemicals. It is Minimum set pressure P MPa + 0.02 = 0.17 0.098 x 16 10 Whatever their purpose, our valves give you the protection your application needs. Made of fully molded, high-grade plastic, this is an intelligent addition to any piping system. Relieve pressure. The valve gate is normally closed. Customer Support Pressure Relief, Sustaining, or Backpressure Control The valve can be in one of . Pressure Sustaining Valve is also known as Back Pressure Valve. The upstream hydraulic grade and pressure increase. The P09 is suitable for general liquids and gases. Subject: Flow capacity through ECO VALVE, back pressure/pressure sustaining and pressure relief valves. Pressure Retaining Valve 586. " valve 34 USGPM " valve 36 USGPM 1" valve 38 USGPM Note: Capacities will increase with pressure. Sustain differential pressure. Slow shut off design and impact prevention Completely automatic operation Model 41-03 pressure relief, sustaining, back pressure valve can maintain upstream pipe pressure. The backpressure regulator is a normally-closed valve installed at the END of a piping system or after pressure sensitive equipment to provide an obstruction to flow and thereby regulate upstream (back) pressure. They work in a different way from traditional valves. It can be used for protection of waste . pressure sustaining valve to the top of piping (H2 (m)) is 16 m, and the shut-off pressure drop is consequently 0.02 MPa. Designed to maintain a set back pressure regardless of downstream pressure or flow demands. Pressure relief, sustaining, or backpressure control valves are automatic control valves designed to maintain desired field-adjustable pressure settings with close tolerances. back pressure sustaining valve from 181 Products. Function to maintain a stable pressure in pipeline system. Home; About Us. BACK PRESSURE SUSTAINING VALVE - Sustains a minimum upstream pressure to prevent over drafting the supply. The sustained upstream or back pressure is displayed on the pressure gauge mounted on the top of the pressure sustaining valve. Plus more. may only have to operate intermittently to prevent pressure surges that might occur on pump start, pump stop, or sudden downstream valve closure. Back Pressure valve Flomatic Corporation manufactures Back Pressure Valves (Control / Sustaining) that throttle to maintain a minimum upstream (inlet) pressure regardless of changes in demand downstream. Also known as pressure sustaining valves, these valves maintain a constant upstream pressure in the system. The valve can be used for pressure relief, pressure sustaining, back pressure impact and other working conditions. An adjustable spring presses onto a PTFE diaphragm. Calculation & Selection, Quality Control, Product Inspection, After-Sales Service, We Pay More Attention For Each of Production Loop, Ensure Our Customers Have No Worries. Under continuous flow conditions: @ 100 PSI with ambient temperature water with the valve set@ 50PSIG. Pressure Sustaining Valves (PSV) sense the upstream pressure and compare it to the setpoint to determine the valve position in order to maintain a set pressure upstream. PSVs are useful in situations where unregulated flow would result in inadequate pressures (too low) in the upstream portion of a system. A Back Pressure / Pressure Sustaining Valve is an automatic, pilot controlled valve that activated by the pressure of the pipeline. Have a question or two? When . way, a back pressure regulator is also referred to as a pressure sustaining valve or pressure bypass valve. It is a hydraulically operated, pilot controlled, modulating type valve. The throttled position of the main valve diaphragm assembly is controlled by a pilot valve which senses the upstream pressure. Diaphragm sensing spring loaded back pressure sustaining valve. Anticipate surges. The diaphragm seals the inlet connection stopping liquid flow to the outlet of the valve. Also known as an overflow, safety or backpressure valve, the Type 586 Pressure Retaining Valve works to keep the pressure at the valve inlet constant at all times, thereby ensuring problem-free operation. Show Products. 0 - 5000 kPa Stainless Steel 10mm - 50mm Screwed Sealing cap over adjusting screw. Function of a Pressure Regulator: When working, the valve senses the pressure of inlet of the valve through the pressure relief pilot, which controls the valve to open and to close. They are also often used to model pressure relief valves. It is applied for pressure relief, sustaining, and back impact problems.During operation, through pilot to sense the valve inlet pressure and control the open/close of the valve. The main valve opens when inlet pressure begins to exceed a preset pressure and will allow . Convenient in-style mounts either horizontally or vertically. The pilot valve reacts immedi-ately to changes in pressure and . Industrial valves Manufacturer R-2 & R-3, Arbuda Estate, Phase-2 Naroda, Ahmedabd-382330 +91 98250 47442. ph: +613 9544 4546. You can count on Singer valves to do exactly what they are designed to do. Suitable for process automation control and many general purpose applications. When installed off the main line on the branch . It is used where pressure relief or pressure sustaining functions in a The backpressure regulator is called upon to provide pressure in order to draw fluid off the system. Blue Ductile Iron Pressure Sustaining Valve With Nylon - Reinforced Diaphragm. Hyper valve is the right place to buy back pressure regulator at low price. Stainless Steel Pressure Relief, Sustaining or Backpressure Control Valve. (also known as Back Pressure or Sustaining Valves) Fig. Controlling Pump Output Pressure Precision Low Pressure Gas Delivery Tubing Extrusion Systems Tubing extrusion is an example of an application where very low pressure control is required across widely varying flow rates. (if pressure is doubled, flow . The downstream hydraulic grade and pressure decrease. The main valve consists of only two parts, a stainless steel body and an elastomeric liner or control element. info@hypervalves.com . The valve will maintain a steady, predetermined pressure at the upstream of a pipeline. WATER WORKS RELIEF/SUSTAINING/SURGE VALVES Direct-acting. Pressure sustaining known as back pressure, pressure maintaining, pressure retaining or low pressure cut off valves. . When the inlet pressure exceeds the set value, the valve opens rapidly to maintain . Typical sustained back pressure valves are available with a range of adjustable pressure settings such 1 to 6 bar, 4 to 10 bar or 8 to 13 bar and can be adjusted within these pre-set parameters via the adjustment screw . TEFLON seals are used for steam up to 180 degrees C. Reducing range: 1-5bar, 4-10bar. Situations to use. Configurations: Model C - Full Port Globe Style (Flanged or Threaded) Model CF - Reduced Port Globe Style (Flanged) Model CA - Angle Body Style (Flanged or Threaded) Warranty: 3 Years. Slow-closing. Fast-opening. The Model C301/CF301 Back Pressure (Sustaining) Valve throttles to maintain a minimum upstream (inlet) pressure regardless of changes in demand downstream. 920GS. As the upstream pressure rises the valve starts to open allowing flow downstream and if it falls below the setpoint the valve will shut. What a relief. Equilibar precision pressure sustaining valves are referred to as back pressure valves or regulators. Pressure Relief, Pressure Sustaining & Back Pressure Valve INTRODUCTION The Cla-Val 50-01/650-01 is an automatic control valve designed to maintain constant upstream pressure to close limits. The P09 series direct acting pressure sustaining/back pressure valve, is a well proven direct acting design from Z Tide. The Model 50RWR Relief or Back Pressure Sustaining Pilot Valve uses this logic in order to control pressure upstream of the main valve. 920GS (Globe) and 920AS (Angle) Series is designed to permit flow when upstream pressure is above the adjustable setpoint of the control pilot, and throttle when upstream pressure falls below the adjustable setpoint. Pressure Relief, Sustaining or Backpressure Control Valve. of back pressure (outlet pressure), allowing a large flow rate. They use a fluid pressure on the top of the diaphragm instead of a spring and also use direct diaphragm sealing instead of a traditional valve seat.

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