Marck Check Valves

Hawa Valves has extensive experience in manufacturing Piston, Swing, Tilting Disc and Non-Slam Check Valves for use in the hydrocarbon, energy and process industries. Specifications: Size: ½" up to 56" (DN 15 up to DN 1400) Pressure Rating: ASME 150# to 2500# Materials: Carbon Steels, Low Temperature Carbon Steel, Martensitic Steels, Austenitic Stainless Steel, Duplex Stainless Steels, Super Duplex Stainless Steels, Nickel Alloys, Nickel Aluminum Bronze, Hastelloy, Inconnel, Titanium Alloy & Carbon Steel with Internal Corrosion Resistant Alloy (CRA) Overlay Design Standard: API 602, API 6D, MESC SPE 77 / 132, BS 1868, DIN 3356, ISO15761 Pressure / Temperature Rating: ASME B 16.34 Test (Inspection) Standard: API 598, API 6D, MESC 77/132, ISO 5208, ISO15848-1&2, Bs6364 Construction Details: Bolted Cover / Pressure Seal Bonnet, Lift Check Type, Swing Check, Piston Check, Tilting Disc, Non – Slam Check End Connection: Screwed, Socket Weld, Flanged, Hub End, Butt-Weld Operator / Actuator : Lever, Gear, Actuator (Pneumatic, Hydraulic, Electro-Hydraulic and Electric Motorised) Check Valves are available in six different types: Swing Type Bolted Bonnet Piston type check valves Non-Slam Check Valves Tilting Disc type Pressure Seal Bonnet Nozzle type