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700 Series: Instrument Check Valves

  • Pressure rating to 3,000 psi (207 bar) at 70°F (21°C).
  • Temperature rating from -10°F to 375°F (-23°C to 191°C) with viton O-ring seat standard.
  • O-ring provides leak tight shut-off.
  • Back stopped poppet design prevents the spring from being over-stressed.
  • Variety of springs are available for the cracking pressure in the range from 1/3 psi to 100 psi.
  • Wide range of body sizes allows Cv choices from 0.16 to 8.8.
  • Suitable for gas and liquids.
  • Variety of end connections include male/female NPT, ISO, BSP threads and female Hy-Lok tube fittings.
  • Body Material is standard in 316 stainless steel and brass.

700H Series: High Pressure Compact Check Valves

  • Pressure rating to 6,000 psi (413 bar) at 70°F (21°C).
  • Temperature rating from -10°F to 400°F (-23°C to 204°C) with Viton seat standard.
  • O-ring poppet design for replaceable high integrity seal.
  • Tight shut-off and accurate cracking pressure.
  • Cracking pressure includes 1/3, 1, 5, 10, and 25 psi.
  • Maximum flow design allows Cv choices from 0.67 to 4.7.
  • Suitable for gas and liquids.
  • Special applications are available in sour gas and fluorocarbon free.
  • Size range from 1/8" to 1" tubing and pipe.
  • Variety of end connections include male/female NPT, ISO, BSP threads and female Hy-Lok tube fittings.
  • Body Material is standard in 316 stainless steel.

701 Series: 1-pc Check Valves

  • Pressure rating up to 3,000 psi (207 bar) at 70°F (21°C).
  • Temperature rating from -10°F to 375°F (-23°C to 191°C) with Viton seat standard.
  • One piece body construction, Wide range of cracking pressures.
  • Ease of adjustment, Size range 1/4" & 1/2" pipe.
  • Body material is 316 stainless steel and Brass.

701A Series: Adjustable Check Valves

  • Pressure rating up to 3,000 psi (207 bar) at 70°F (21°C).
  • Temperature rating from -10°F to 375°F (-23°C to 191°C) with Viton seat standard.
  • One piece body construction, Wide range of cracking pressures.
  • Ease of adjustment, Size range 1/4" & 1/2" pipe.
  • Body material is 316 stainless steel and Brass.

CVL Series: Lift Check Valves

  • Pressure rating up to 413 bar at 21°C
  • Temperature rating from -53°C to 482°C
  • All metal body and poppet construction.
  • Body material is 316 stainless steel.

HiP High Pressure Check Valves

  • Pressure above 10,000 bar
  • NPT, Tappered seal, Collar and Gland for high and ultra high pressure.
  • With and without O-ring seals according to pressure.
  • Valve body in hardened 316 or or extra hardened 17-4PH stainless steel.

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