Hawa valves possesses a wealth of experience in manufacturing butterfly valves for the hydrocarbon, Energy and process industries. Specifications size 2 up to 88 dn 50 up to dn 2200 pressure rating asme 150# to 900# nickel aluminum bronze, Super duplex materials carbon, Stainless steels steels, Duplex stainless, Nickel alloys, Martensitic steels steels, Austenitic low temperature, Stainless steel carbon steel, Hastelloy, Inconnel, Titanium alloy & carbon steel with internal corrosion resistant alloy cra overlay design standard api 609 mesc spe 77 / 134, Bs 5353 bsen593, Ansi awwa c504, 94 pressure / temperature rating asme b 16. 34 test inspection standard api 598, Api 6d, Mesc 77/134, Iso 5208 operation lever, Gear, Actuator pneumatic, Hydraulic, Electro, Hydraulic and electric motorised butterfly valves can be found in four different types versions double offset triple offset centre disc extended stem cryogenic service almost all hawa butterfly valve is capable of being crafted in a special version suitable for cryogenic offering. Within all the, This case materials and technical features are crafted to withstand minimum design temperature mandated by the customer. If required by specific cryogenic, The customer tests are performed to verify the behaviour of valves sealing capability, Emissions vs the ambient.