High Temperature Ventilation Butterfly Valve QD941Lw-1
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High temperature ventilation butterfly valve operated by pneumatic or electric actuator, with a special designed metal seat keep valve plate to a flat seal without lining structure, thus significantly reduce operating torque. Additional install a radiator between the valve and actuator, avoid the influence of the high temperature possible heat transfer to the actuator.
Widely use for cold and hot flue gas pipeline, that implementa remote automatic control. Especially suitable for a low differential pressure and mass flow pipelines.
High Temperature Ventilation Butterfly Valve
Q235, 16Mn, 304, 2520 etc
-29 ~ +1000ºC
GB/T 12238, API 609, JIS B2071
Face to face
GB/T 12221, ASME B16.10, JIS B2002
GB/T 9113, ASME B16.5, JIS B2211
Inspection and test
GB/T 26480, API 598, JIS B2003
WENZHOU PIONEER VALVE is a technology innovation-based valve manufacturer located in China since 1993.