Austenitic Alloy Valves

• Pneumatic Forged Alloy 20 Ball Valve

  The NSV pneumatic forged ball valve features a fully forged body and trim constructed entirely from Alloy 20 (UNS N08020), engineered for demanding corrosive services in chemical processing. The...

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• NSV SS904L Swing Check Valve

  This NSV check valve manufactured in high-alloy austenitic stainless steel 904L (UNS N08904), produced via precision sand or investment casting. Features excellent resistance to sulfuric acid,...

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• 904L Double Gland Plug Valve

  A fully corrosion-resistant double-gland plug valve with ASTM A995 Gr. 904L cast body and ASTM A182 F904L forged plug and stem, ensuring homogeneous material integrity against aggressive media ....

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• 904L Two Piece Trunnion Ball Valve

  This is a two-piece trunnion-mounted ball valve with ASTM A995 Gr. 904L body and hard metal seat: 904L+STL, available in sizes from 2" to 24" and pressure ratings from Class 150# to 600#. The...

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• 904L Triple Eccentric Wafer Butterfly Valve

  The NSV 904L cast steel triple eccentric butterfly valve features an ASTM A995 Gr. 904L body and a PTFE seat in a wafer configuration. The triple eccentric design eliminates disc-to-seat friction...

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• 904L Through-Conduit Knife Gate Valve

  The NSV 904L through-conduit knife gate valve features a full-bore, cavity-free design with a sharp-edged gate that cleanly cuts through fibers, slurries, and soft solids for reliable shut-off....

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• SS904L Cast Ball Valve

  The NSV SS904L two-piece cast ball valve features a stainless steel body with 904L sealing components for superior resistance to sulfuric acid, seawater, and chloride-rich media. Its two-piece...

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• 904L Pneumatic Forged Ball Valve

  ​​​​​​​The NSV 904L pneumatic forged ball valve features a two-piece forged body in super austenitic stainless steel, delivering exceptional resistance to pitting, crevice corrosion, and...

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• CF8C DIN Swing Check Valve

  The NSV CF8C DIN swing check valve is a fully cast stainless steel valve made from austenitic stainless steel (CF8C), compliant with DIN 3202 / EN 1074 standards. Its swing disc design ensures low...

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• NSV F904L Forged Gate Valve

  The NSV F904L forged gate valve combines the exceptional corrosion resistance of super austenitic stainless steel with the high strength and integrity of a fully forged body. Built to API 602...

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• 904L Single Gland Plug Valve

  The NSV 904L single gland plug valve features a 904L super austenitic stainless steel body for resistance to strong acids and chloride environments. The plug design ensures low flow resistance,...

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• DIN 904L Lift Check Valve

  The NSV lift check valve is manufactured to DIN 3356 standard with a fully cast 904L (UNS N08904) super austenitic stainless steel body and metal-to-metal seating. Its lift-type disc operates with...

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