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NW Long Weld Neck

Nor-Cal Products NW flanges are designed to ISO 2861 specifications for standard USA tube sizes from .375 to 2.00 inches. They are compatible with other manufacturers'™ ISO-KF style flanges. NW flanges utilize an aluminum clamp with a single wingnut fastener allowing frequent disassembly without tools. 
  • 304 or 316L
  • Bored and Blank Flanges
  • Short and long weld necks
  • Socket weld preps
Nor-Cal Products manufactures a full line of flanges, fittings and adapters for vacuum applications. We offer NW (KF), ISO, CF, ASA, Wire Seal and Chain Clamp style flanges and fittings to fit almost every application. Custom flanges are available upon request. We specialize in manufacturing components from 304 or 316 stainless steel with several items available in aluminum as well. Centering rings, gaskets, clamps, bolts and other hardware components are available to complete your project. We maintain a large inventory for prompt deliveries and to meet those unexpected demands. 

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