The handling methods for faults in control valves

Pneumatic control valves use compressed air as the power source, a cylinder as the actuator, and drive the valve with the help of valve positioners,

Faults and maintenance of Wafer electric Butterfly valves

​If you do not carefully check the usage condition and performance specifications of the wafer-type electric butterfly valve before installation, the wafer-type electric

What are the selection conditions of electric butterfly valve and pneumatic butterfly valve?

Electric butterfly valve is a very common pipeline flow regulation device, widely used, involved in many fields, such as the regulation of water flow in the reservoir

The structure and working principle of the trap

​Steam trap in the steam heating system plays a role in preventing steam drainage, choose the right trap, can make the steam heating equipment to achieve the highest efficiency.

How to choose the right valve in pipeline design?

​In the fluid piping system, the valve is the control element, its main role is to isolate the equipment and piping system, regulate the flow rate,

Valve components anticorrosion precautions

Method of judging internal leakage of natural gas ball valve

​Fixed shaft ball valve is commonly used on natural gas pipelines, and its general inspection method is: turn the valve to the fully open or fully closed position, and check whether there is leakage through the discharge of the valve body drain nozzle.

Valve performance testing

O-type ball valve and V-type ball valve difference

​Ball valve has many kinds of structure, but basically the same little difference, are the opening and closing parts for the round ball core, mainly by the valve seat, ball, sealing ring

Effective troubleshooting method after trap failure

In the thermal system, the thermal trap plays a very important role, and its performance directly affects the stability and energy efficiency of the steam system.