Ball Valves

• Forged Top Entry Ball Valve

  It has a lot of advantages, such as small fluid resistance, simple structure,small volume,light weight,reliable saaling,convenience for operation and maintenance,open and close quickly,as well as...

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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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• Flanged Fully Welded Ball Valve

  Fully welded ball valve offers the advantage of a compact envelope, which allows for increased strength and significant reduction in weight. Furthermore, since the body is made by welding forged...

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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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• Double Block and Bleed Ball Valve

  DBB VALVES assure double isolation function thanks to two obturator inserted in a single body and they provide the bleed function by means of a bleed/vent system located between obturators(body...

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• Monoflange Valve

  NSV Monoflange due to its one-piece design,that can withstand high overpressures. It ensures a robust and compact mounting of the measuring instrument directly to the process flange. The use of...

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