Block and Bleed Valves

• One Piece A105 DBB Ball Valve

  This is a high-integrity, single-body forged ball valve with 2" × 2" flanged ends and reduced bore flow path. Designed for critical isolation in high-pressure service per API 6D.

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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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• Electric Ball Valve With Rotork Actuator

  The NSV electric ball valve features a forged body in A105 or LF2, with a trunnion-mounted design offering double block and bleed (DBB) functionality for service from ambient to cryogenic...

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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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• Double Block&Bleed Valves

  A Double Block and Bleed (DBB) valve is an integrated industrial valve assembly that provides two positive isolation barriers and a means to vent or bleed the cavity between them. This...

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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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