Gas safety valve is a device for supporting new gas pipeline project. Used to cut, turned, adjusting the gas pipeline, with good control characteristics and closed sealing performance.
2013年4月27日星期六
Valve technology program
By the outer tube, stem, seals composition, the outer tube, the stem hard materials manufacturing, seals of a resilient material; outer tube made with other connector end of the external thread interface connection with the taps the end made within threaded connection ;
The inner wall of the outer tube empty into a dumbbell-shaped inlet side of the cylinder, the inlet side of the cone, through the water column surface, the water side of the cone, the water side of the cylinder;
The outer tube stem, stem from the water inlet cone, the connection string, the effluent end cone, cone and water-side water inlet cone cone top opposite, by connecting column;electric solenoid valve
Stem water inlet cone cone fixed ring (1), fixed the water-side cone conical bottom of the stem seal (3), seals (2) is mounted within the outer tube water side of the cone with the stem between the outlet end of the cone, ring (2) after installation in compression or in the ring (1) no pressure in compression ring (1), (2) cross-section O-seal ring (3) section of the square;
Tapered surface and the outer ring (1) for closing the inlet end cone stem tapered surface gap between the inlet side of the tapered surface of the outer tube, the sealing ring (2) for closing the effluent end of the stem cone tube effluent gap between the side of the tapered surface, the sealing ring (3) for the gap between the bottom surface of the effluent end cone of the closure stem faucet inlet;
The outer tube, the stem, after the completion of the seal assembly, the seal ring (1), (2) a state of compression;
Ring (2), the gap between the water source of the water column surface with connecting column can pass effluent from the stem end of the cone opening hole water by not less than 1;
Ring (1) tap water or ring (2) bring pressure generated by axial compression is less than faucet installation to promote stable core columns axial movement.3 way air valve
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