NW Short Weld Stub Flange (Jis Special)

Short Weld Stub Flange / Everfit Technology CO., LTD. (EFT) is a vacuum component, vacuum fitting, processing equipment and system provider with 36 years of experience

NW Short Weld Stub Flange (Jis Special)


Short Weld Stub Flange


Materials S.S.304, 304L, 316L and Sizes can be customized per customers'designs and requirements.


SizeABCLParts No.


KF Flange Connection with Clamps


  • Easy Assembly and Quick Disassembly manually without tools-KF or NW assembly comprises two flanges, a center-ring, an O-ring and an aluminum clamp or stainless steel clamp with a wingnut fastener for quick and fast connection.
  • Uniform Pressure to Effect Vacuum Seal Connection-15° taper surface of KF/NW flange allows uniform pressure to compress an O-ring, which is held in place by metal center-ring, by the clamp to generate a vacuum seal.

Material and Size

  • Flanges, Blanks, Fitting: Material S.S.304
  • Clamps: Material Aluminum or S.S. 304
  • O-ring : Material Viton
  • Sizes: KF10~KF160, JIS Standard: NW10~NW100
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Vacuum Component | NW Short Weld Stub Flange (Jis Special) Manufacturer - EFT

Based in Taiwan, EVERFIT TECHNOLOGY CO., LTD. is a NW Short Weld Stub Flange (Jis Special) | vacuum component supplier for various industries, including semi-conductor, pharmaceutical, bio-technology, cosmetics, food processing and structural engineering. Main product: 316Ti Stainless steel pipe, progressing cavity pump part, pipe tee fitting, valve actuator component, diaphragm valve, ferrule, KF flange, etc.

5,500 square meter plant, cleanroom (class 10,000) and ultra-pure water system to deliver the cleanest pipe fittings. Between the robot arm and adjustment of fixture and jig, EFT is moving toward to becoming a manufacturer of pipe fittings with high technology.

EFT has been offering customers high-quality stainless steel vacuum components since 1976, both with advanced technology and 39 years of experience, EFT ensures each customer's demands are met.

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