Parker C Series Check Valves are designed for uni-directional flow control of fluids and gases in industries such as chemical processing, oil and gas production and transmission, pharmaceutical, pulp and paper, power and utilities. Flow Calculations with 1000 psig (69 bar) Inlet Pressure Valve Series Maximum C V Pressure Drop
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AMERICAN's Series 52-SC Swing Check Valves incorporate the following design features to help increase service life. BODIES AND BONNETS.
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ZRK-ZRKF-swing check valves are designed to block media on one side of the pipe within allowable pressure and temperature limits (see data sheet) and to be installed in a pipe system only. They are only to be used with media, which the material and the seals are resistant to. They are not suitable for media with solid components.
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produce water hammer on both the upstream and downstream sides of the valves are substantially eliminated. Swing Check Valve DFT Non-Slam Check Valve Pressure Spikes Elapsed Time # # Elapsed Time Pressure Spikes Visit www.dft-valves.com to view DFT’s check valve animations. Tel: 610-363-8903 Toll-Free: 800-206-4013 Fax: 610-524-9242 3
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Re-seal pressure is defined as the downstream pressure at which the check valve closes bubble-tight. Example: For a valve with a spring having a rated cracking pressure of 25 psig (1.72 bar), the actual cracking pressure ranges between 20 and 30 psig (1.38 and 2.07 bar). The re-seal pressure range would be 16 to 20 psig (1.10 to 1.38 bar).
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Swing Check Valves Description: Bolted cover check valves Swing type Non-return BS1868 API6D ASME B16.34 API600 Design Standards: Wall Thickness: Face to Face: End Connection: ANSI B16.10 Raised face Ring type joint ANSI B16.5 ASME B16.47 series A or B BS4504 PN16, 25, 40, 64, etc
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Check Valve BS 1868* API 603 Gate Valve API 603 ASME B16.34 Gate, Globe, Check Valves ASME B16.34 ASME B16.34 Face-to-face / End-to-end dimension ASME B16.10 End Flange dimensions ASME B16.5** Butt-weld End dimensions ASME B16.25 Valve Inspection & Testing API 600, API 598, BS 6755 Part I 20 L&T Cryogenic Valves L&T Cryogenic Gate & Globe Valves
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to-open check valves, so care should be taken when select-ing the valve. Performance Data 5CK120 - Check Valve Pilot-to-close, ball type 120 L/min (32 USgpm) • 350 bar (5000 psi) Sectional View Description Pilot to close check valves allow flow to pass in one direc-tion, with a low pressure drop to prevent reverse flow. When
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Fundamentals Of Valves Course# ME201 EZ-pdh.com Ezekiel Enterprises, LLC 301 Mission Dr. Unit 571 New Smyrna Beach, FL 32128 386-882-EZCE(3923)
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Like the Basic-Check® valve, the Restrictor Check provides reliable, low maintenance service for a wide range of fluids and gases at various pressure/temperature combinations. The valve consists of a guard cage, spring, valve disc, retaining ring and seat.
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The main purpose of the DUAL PLATE WAFER CHECK valve is to perform the work of almost any conventional valve. However, being smaller makes it lighter and, therefore, is more cost efficient to purchase, install and maintain. It is also a silent check valve; because of it's innovative design, it does not slam upon closing.
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Check valveS 3/8 RE 20378, edition: 2016-08, osch Reroth AG Technical data (For applications outside these parameters, please consult us!) general Sizes NG 6 8 10 15 20 25 30 Weight kg 0.1 0.2 0.3 0.5 1.0 2.0 2.5 hydraulic
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FireLock™ Series 717 Check Valve. Features an elastomer encapsulated disc with an electroless nickel plated seat. Sizes from 2½ - 12″ | DN65 - DN300. Pressures up to 365 psi | 2517 kPa | 25 bar. General Questions?
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CHECK VALVES. Water & Wastewater Applications. Series 580 - Silent Wafer Check Valve. • Operates Horizontally or Vertically.
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Ductile Iron Valve Body. • Two-part liquid epoxy coating for removing valve from line. Product Features swing check Valve. Reliable ConnectionsTM.
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4 Check Valves Cracking and Reseal Pressures at 70°F (20°C) Cracking pressure—the inlet pressure at which the first indication of flow occurs (steady stream of bubbles) . Reseal pressure—the pressure at which there is no indication of flow . Back pressure—the differential pressure between the inlet and outlet pressures .
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Ball Check Valves are simple and compact and commonly used on small water or wastewater pumps where economy is important. A Ball Check. Valve consists of a
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CVH Check Valves Guided poppet design and precision ground surfaces for The DMIC Check Valve is a quality leader in the worldwide CVH marketplace. Computer optimized flow passages and super heavy duty construction results in a 10,000 PSI rated product which will provide greatly extended service in 3,000 and 5,000 PSI applications.
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Design Features — The complete line of Check-All® valves are in-line spring-loaded poppet-type check valves. Many series are available to provide check valves for practically every service application. Check-All® valves are available with metal to metal or soft seats. Sizes range from 1/8" NPT to 20 inch flange connections.
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Dual plate Check valves require correct positioning of the closure element to seal properly. Operation Mechanism The Dual plate check valve has two semicircular D-shaped closure plates (2) loaded with torsion spring (5) and hinged on a central hinge pin (3) such that they can swivel freely about the axis of the hinge pin.
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