Ball Valves

• 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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