Shenzhen ADESUN valve co., LTD., production of valve handwheel institutions, also known as reducer, with combined use of pneumatic device, used for 90 degrees open butterfly valve, ball valve, plug valve and realize manual and pneumatic drive.When adjusting mechanism failure, such as gas source, control system failure and damage of diaphragm actuator, pneumatic control valve can be switched to manual operation, the normal process.Using the handwheel organization can be used to limit valve opening;In some control system (such as low pressure under normal temperature, no corrosion, no bond of clean medium, large diameter pipeline) using the handwheel institutions instead of a by-pass line, save investment.
Features: small volume, light weight, reasonable design, novel style.