Checkvalves
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.
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.