API Cast Steel Gate Valve
Product Description
API cast steel gate valves are used to cut or correct the pipe media in class 150-2500 and working temperaturers less than 600 ℃, in oil industry, chemical industry, fossil fire power plants.
1.The products designs are in according with the API 600 or API 6D, with rational structure, reliable seal, excellent proformance, and pretty appearance.
2.Co hard alloy welded sealing surface, with pressure more than class 600 which is wearing resistant, erosion proof, abrasion proof and long-lived.
3.The surface and the adjusting media of the valve shaft are nitrogenizated so that it is erossion and abrassion resistant.
4.The central cavity with pressures more than class 900 adopts self-tightening sealing structure, which means that the sealing will rise with the intramural pressure, and the sealing is highly reliable.
5.There is backward sealing structure in the valve, so the sealing is reliable.
6.The material of the filling and the size of the flanged ends and butt-welding ends can be closen and matched according to the applications and the requirments of the users. That can satifies all kinds of working requirements.
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