Double sealing design (bellows + packing) in case of bellows failure, stem packing also avoids leakage and meets international sealing standards.
Apr 19, 2021
Angle globe valve: in the Angle globe valve, the fluid only needs to change the direction once, so that the pressure drop through the valve is smaller than that of the conventio...
The sealing pair of the globe valve is composed of the sealing face of the valve disc and the sealing face of the valve seat.
Apr 18, 2021
The installation location, height and inlet and outlet direction must meet the design requirements, and the connection should be firm and tight.
The valve has been tested for strength and sealing before leaving the factory. When using, all the joints should be kept in the initial state.
Apr 17, 2021
Flat gate valves with diversion holes are used on lines requiring ball pigging and without diversion holes on lines without ball pigging.
Petroleum and natural gas pipeline, the use of single gate or double gate plate gate valve. For pipe cleaning, use a single or double gate gate valve with a guide hole.
Apr 16, 2021
The flow resistance is small, and the flow resistance of the non-shrinking mouth is similar to the flow resistance of the short tube.
Clean and inspect the removed parts. It is strongly recommended to replace the valve seat, bonnet gasket and other seals with spare parts package.
Apr 15, 2021
The valve seat adopts the floating seat structure of O-ring seal and pre-tightening force to make the inlet and outlet of the flat gate valve bi-directional seal.
Apr 14, 2021
Regulating valve is usually composed of electric actuator or pneumatic actuator and valve body two parts. There are two kinds of straight stroke: straight through single seat t...
