China DIN 3352 F4 FTF Gate Valve Supplier: DIN 3352 F4 FTF Gate Valve, EN10213-4 1.4408, DN250, PN10, RF Ends, Bolted Bonnet, Rising stem with OS&Y. Size: DN250 (10 Inch). Pressure Rating: PN10 (Class 150 LB). Body/Bonnet: EN10213-4 1.4408 (A351 CF8M). Wedge: EN10213-4 1.4408 (A351 CF8M). Connect Ends: RF. Bolted bonnet (BB) design. F4 Standard FTF. Full port or reduced port design. Back seal design. Rising stem with outside screw and yoke. Renewable seat or welding seat. Special request: Locking device(Interlock). Position indicator. Limit switch. Extend bonnet for cryogenic & underground service is available.
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