HY-GRADE Valve Inc.

HY-GRADE offers a full line of check valves used across many applications and industries; Oil & Gas, Pulp & Paper, Chemical, Petrochemical, Refining, Mining, Marine and Power

HY-GRADE check valves are manufactured in Fairhope, Alabama, USA, using advanced machining technology and computer numerical control (CNC) equipment. All exterior pressure containing components (bodies and seat inserts) are 100% machined from wrought or centrifugal cast raw materials with no welding or weld repairs to ensure the highest quality.

HY-GRADE maintains a program of continuous quality improvement to assure there products meet or exceed the standards established by customers. Their quality management system is certified to ISO 9001 and PED 2014/68/EU Module H. In addition, HY-GRADE's quality program has been audited by various international inspection agencies to verify strict compliance of total quality.

In-house hydrostatic testing to API 598 or API 6A ensures the integrity of HY-GRADE check valves. Additional Non-Destructive examinations (Magnetic Particle, Liquid Penetrent, Ultrasonic, or Positive Material Identification) to ASME or API practices are available to meet customer specifications.

In-house cryogenic testing to BS 6364 and/or customer specifications, utilizing a state-of-the-art computer-controlled test station. Cryogenic testing capabilities include Helium or Nitrogen testing down to -320 °F (-196 °C). Additional capabilities include external leakage detection by means of a mass spectrometer with sniffer probe.

For additional information or to request specification sheets, please contact us by calling 800.500.8889 or click here.

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