DN50 DBB Forging Carbon Steel Ball Valve High Pressure Double Block Double Bleed Ball Valve DBB Double Ball Valve 2"
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...double block and bleed valve , DBB ball valve,double block & bleed valve INTRODUCTION Ephood's response to the demand for reduction in leakage paths has been the combination of primary and secondary valves into one compact unit. The combining of piping and...
ZHEJIANG VERVO VALVE CO.,LTD
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600LB Side Entry Trunnion Type Ball Valve with Bleed Function
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Product Description: Trunnion Ball Valve Trunnion ball valve is a kind of trunnion mounted valve which has two pieces of trunnion as its mounting parts. It is widely used in industrial fields due to its reliable sealing performance and long service life......
COOSAI valve group
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Double Ball Valves Oil Pipeline Ball Valve Forged Steel For Tank Fitter
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Double Ball Valves Oil Pipeline Ball Valve Forged Steel For Fitter Product Description Double ball valves are two ball valves connected through the connecting rod, the valve outlet in the same direction, the upper and lower corresponding flange sealing surface in the same horizontal plane, one side open, the other side will be closed at the same time, that is to ensure the upper and lower two ball valves......
ZIGONG WEITE VALVE MFG CO., LTD
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DBB Floating Ball Valve Double Block & Bleed 1/2-12 Inch
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...Ball Valve Double Ball Double Block & Bleed High Pressure A double-block-and-bleed valve (DBB) is 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 venting/bleeding the cavity between the seating surfaces.” This valve does not provide positive double isolation when only one side is under pressure. A double-isolation-and-bleed valve......
Shanghai Kolink Valve Co., Ltd.
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PN25 Double Block And Bleed Ball Valve , Trunnion Mounted Ball Valve
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...Double Block And Bleed Ball Valve , Trunnion Mounted Ball Valve Double Block And Bleed Ball Valve Description: The ball valve is designed and manufactured according well to API 608. Floating ball when small caliber, and fixed ball when large caliber. It has fire protection structure and antistatic device. Widely used for petroleum, chemistry, water treatment industries. Double Block And Bleed Ball Valve......
Shanghai kangquan Valve Co. Ltd.
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Double Bleed And Block Socket Weld ASME150 DBB Ball Valve
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...trapped between the two balls from a dedicated drain line. Body construction can be either forging or centrifugal casting. Wide range of materials: carbon steels, austenitic or martensitic SS, duplex-superduplex SS, nickel-based alloys. Valve design can be...
Beijing Silk Road Enterprise Management Services Co.,LTD.
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Duplex Stainless Steel DBB Ball Valve , API 6D Trunnion Type Ball Valve
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Double Block and Bleed Ball Valve , API 6D Trunnion Ball Valves , Duplex Stainless Steel PRODUCT INTRODUCTION 1. Product Description : Forged Double Block and Bleed (DBB) Valves Machined from a single piece of 'grain flow controlled' forging, our Forged Double Block and Bleed (DBB) Valves feature two inline ball pattern primary and secondary isolating valves and a heavy duty needle vent valve......
Zhejiang TongJiang Holdings Company
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DBB Metal Seated Ball Valves Low Emission Stems Double Piston Effect
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...balls DBB trunnion ball valve of 2"-24" CL150-1500 DESCRIPTION The “Double Block and Bleed Isolation Philosophy” requires two in-line isolation valves and a bleed valve, used to drain or vent trapped fluid between the two closure elements in order to safely isolate safely the downstream pipe. This feature can be achieved with one single valves c/w a bleed......
Kelite Group Co., Ltd
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Stainless Steel Double Block And Bleed Ball Valve
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Stainless Steel Double Bleed and Double Block (DBB) Ball Valves Size range(s): NPS 1/2 - 2 (DN 15 - 50) Pressure rating: ASME Classes 150 - 2500 Standard connections: Threaded, socket weld, flanged Material Selection for Gate Valves: Carbon Steel (A105) ......
Zhejiang JieYu Valve Co., Ltd.
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Manual Operation Slimline DBB / SBB Ball Valve Structure Easy To Maintenance
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.../SBB Double Block and Bleed /Single Block and Bleed Valve Product Overview: Foowell Slimline DBB(Double Block and Bleed Valve)/SBB(Single Block and Bleed Valve) design reduces the weight and space compared with installing two conventional valves when it ......
Foowell Industrial Wenzhou Co., Ltd.
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