China Block And Bleed Valves Manufacturers Factory Suppliers
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Cryogenic Floating Ball Valve
These cryogenic floating ball valve is the optimum solution for cryogenic flow isolation at temp. as low as -196 degC,included LNG liquefaction,transportation and regasification,that’s fire-safe...
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Cryogenic Trunnion Ball Valve
NSV Cryogenic trunnion ball valve is used for low temperature working condition, especially for LNG(liquid natural gas)carriers,receiving Terminals storage and satellite facility Ethylene plants...
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NSV LCB Ball Valve
The NSV LCB floating ball valve is built for dependable performance in low-temperature service down to-46℃. With a robust LCB body, tight shut-off, and smooth operation, it’s engineered for...
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Electric Double Ball DBB Valve
The NSV electric double ball valve features a body forged from ASTM A105 carbon steel, integrating dual-ball safety isolation with smart electric actuation.
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Cast Double-Ball DDB Ball Valve
This DBB valve integrates two independent trunnion-mounted balls and a central bleed port in one cast body, delivering true double block with verified cavity venting. Unlike single-ball DBB...
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Pneumatic Ball Valve
This pneumatic ball valve is designed for reliable on/off control in high-flow industrial applications such as water, steam, and oil systems. Featuring a full-port design with a pneumatic actuator...
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Jacketed Wafer Ball Valve
This jacketed wafer ball valve is designed for on/off service in applications requiring precise temperature control of the process fluid. Featuring a compact forged wafer body with integrated...
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Forged Floating Ball Valve
NSV Forged floating ball valves mainly apply to the industries of nature gas, oil products, chemical industry, metallurgy, city construction, medicine, environment, foods, etc.
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Wafer Ball Valve
Wafer ball valve is normally one-piece design and floating ball type, and are available in both cast and forged body, full and reduced bore configurations and, although intended for manual...
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BW Fully Welded Ball Valve
NSV Fully Welded Ball Valves can be spherical and cylindrical type.Usually the spherical type have only one welding seam on the body,the cylindrical type have two welding seam on the body.The...
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Underground Fully Welded Ball Valve
NSV supplies Underground Fully Welded Ball Valves, trunnion mounted,that’s with extended stem,discharge vent sealant injection system when used for under-ground installations,valves with butt...
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Single Block and Bleed Ball Valve
Thanks to a SBB ball valve, it is possible to avoid an additional needle valve having the same result reducing costs, overall dimensions and the ability to bleed off the plant, by controlling...
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