Polyconn

Pressure Range: 75, 125, 145, 150, 165, 200 and 225 PSI Set Pressure Tolerances: ± 3% of Set Pressure Temperature Range: -65°F to 400°F Construction: Seat Cap and Piston C360 Brass (ASTM B-16), 17-7 Stainless Steel Spring and Silicone Seal. Bubble Tight to Within 5 psig for Set Pressure 50 psig or Less, Bubble Tight to Within 10% for Set Pressures Greater than 50 psig. 100% Testing or 2.5 AQL Sample Testing, Conforming to AP1 527. Stamped with the UV and NB Symbols. Everseal 483 Sealant Standard.

Our Valve Catalog and Price List are available on-line. Request a quote for the ball valve you need online today, or contact Polyconn for further information.

Pressure Range: 25 to 300 PSI Set Pressure Tolerances: ± 3% of Set Pressure Temperature Range: -65°F to 400°F Construction: Seat Cap and Piston C360 Brass (ASTM B-16), 17-7 Stainless Steel Spring and Silicone Seal. Bubble Tight to Within 5 PSIG for Set Pressure 50 PSIG or Less, Bubble Tight to Within 10% for Set Pressures Greater than 50 PSIG. Stamped with the UV and NB Symbols.

450 CWP, 150 WSP Service Suitable for Vacuum Service to 29.9" Hg 18" - 38" Full Port 12" Regular Port Temperature Range: 20°F to 370°F One Piece Brass Nickel Plated Body Blow Out Proof Stem Chrome Plated Brass Ball Viton O-Ring Double Ball Seats Allow Valve to be Operated in Either Direction.

Polyconn provides two types of check valves, nickel plated brass and plastic. Our brass check valves are designed to be used in industrial applications where our plastic check valves are typically used in potable water applications but may be used for air applications also. Plastic Check Valves are NSF approved. Brass Check Valve, 3.0 PSI cracking pressure.

Our Valve Catalog and Price List are available on-line. Request a quote for the Pilot Operated Check Valves you need online today, or contact Polyconn for further information.