A double block and bleed valve as "a single valve with two seating surfaces that, in the closed position, provides a seal against pressure from both ends of the valve with a means of vending/bleeding the cavity between the seating surfaces"
Bubble-tight Ball valve, no bubbles should be observed in a prescribed time span during air pressure testing of a new valve in the closed position.
DIB ball valve provides a seal against pressure from a single source, with a means of venting/bleeding the cavity between the sealing surfaces.
API 623 Globe Valves, Bolted Bonnet, BW Ends, 12 Inch, Class 300, WCB Body, API 600 Trim No.1.
Carbon Steel Forged Floating Ball Valve ,Reduce Bore1×3/4 ,ASTM A105N,Flanged Ends.Fire Safe,Anti-static,On-off.A large number of spot.
Trunnion Ball Valve Fire Safe, Fire Safe to API 607, Anti Blow-out Stem, Side Entry, Fire Safe Trunnion Ball Valve Manufacturers in China.
Trunnion Ball Valve Class 900, Three Piece, Double Seated, DIB-1 or DBB Design:Flanged Body, API 6D/API 607. Class 900 Trunnion Ball Valve Manufactures.
4 Inch ANSI 600 Ball Valve, ISO 5211 Direct Mounting Pad, Blow Out Proof Stem, ANSI 600 Ball Valve Manufacturers in China. Get and Easy Quotation.

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Zhejiang RELIA Valve Co., Ltd. is a valve manufacturer for industrial valves based on Wenzhou, China. manufacturing high quality ball valves, gate valves, globe valves and check valves. The company has rich experience of valve manufacturing and export.

The valves are design to meet API 6D, API 600, BS 1868, BS 1873, API 627, API 594, API 602, ASME B16.34, API 607, our factory is with CE and ISO 9001:2015 certificated. The main body material is carbon steel,such as A216 WCB, WCC, A352 LCB, LCC, ASTM A105, A105N, A350 LF2; stailess steel, A351 CF8, CF8M, CF8C, CF3, CF3M, A890 4A, 5A, 6A, A182 F304, F304L, F316, F316L, F51, F60, F55; and alloy steel, A217 WC5, WC6, WC9, C5, C12, C12A, F11, F22, F5, F9 etc.

With the capability and rich experience in international business, we believe that Relia will be one of your reliable Chinese valve suppliers.

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Tel: + 86-577-86373155, E-mail: sales@reliavalve.com