Execution standards and performance specifications for upper mounted bidirectional sealed double eccentric ball valves

Execution standard 1、 Design and Manufacturing: GB/T122 […]

Main technical characteristics of cone valve

Main technical characteristics of cone valve

Characteristics of upper mounted eccentric ball valve

The characteristics of the upper mounted eccentric ball […]

Main component materials and design and manufacturing standards for pipe force valves

Main component materials (diaphragm type and piston typ […]