summary of forged steel flange valve forged steel gate one-piece flange end there are three kinds of cover design, the first is a bolted bonnet, are connected by a concave and convex surface, stainless steel belt and flexible graphite spiral gasket, can be used according to the circular connection request, the second is welded bonnet adopts screw seal welding, welding can use directly. A third type is the sealing cover, through the threaded connection on the sealing cover. Integral flange end valve structure design can be used for gate valve, globe valve and lift check valve and swing check valve. Forged steel flange gate structure design and specification according to API 602, BS5352, ANSI B16. 34 manufacturing forged steel gate valve. Test and acceptance according to API 598, according to MSS - SP - 25 for identification. The structure of forged steel flange gate 1. Full diameter or decreased diameter 2. Structure length in accordance with ANSI/ASME B16. 103. Flange in accordance with ANSI/ASME B16. 54. Since the seal cover 5. Rising stem with stent. Both ends automatically adjust the filling set; 7. The fuselage inverted sealing 8. Integral flange 9. Docking according to ANSI/ASME B16. 2510. The valve cover gasket 11 ring connection. Bolted bonnet, valve cover gasket with screws, screw thread sealing, welding or the sealing cover

wedge gate valve are all following the most compatible manufacturing regulations.
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