Mechanical Interlocked Changeover Valve
Mechanical interlocked changeover valve is a product that extends from changeover valve. It consists of two safety valves, two switch devices, chains and hand-wheels. The inlet changeover valve and outlet changeover valve can be switched at the same time by hand-wheel. Because it has switch device at both the inlet and the outlet, it allows one of the safety valve to maintained and replaced while the equipment is in continuous operation.
Design Standard
API520
ASME B 16.34
GB/T 12224
Product Range
Caliber range：
US series:1/2"~20" GB series:DN15~DN500
Nominal pressure range：
US series:Class150~Class2500 GB series:PN10~PN420
Body Material：
Carbon Steel, Alloy Steel, Stainless Steel, Duplex-SS, Ni-Alloys, Others upon request.
End Connection：
Flanged, SW-Welding, Butt-Welding
Applicable Temperature：
-196~650°C
