KF - ISO - NW Vacuum Fittings (Centering Rings)

Used to center and seal two flanges, in standard NW, KF and ISO sizes, centering ring flange fittings provide reliable vacuum seals within critical semiconductor environments.

KAYSEN centering rings are available in both aluminium and stainless steel 304,316L, and can be combined with O-ring materials commonly used in semiconductor wafer processing systems.

KAYSEN O-ring materials include:

• FKM - up to 250°C (482°F)
• Nanofluor® - ultra-high purity, up to 260°C (500°F)
• Kimura® - high purity, up to +300°C (572°F)
• Perlast® FFKM - high purity, aggressive media, up to 325°C (617°F)

See the table of standard sizes below.

Trapped centering adaptors are available on request.

How can we help? Contact us to discuss your requirements.

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Sanitary Pipe Holder/Hangers – Stainless Steel Sanitary and Hygienic Fittings:
▪ Size: 1/2″ - 12″
▪ Material: SS304, SS316L, EN 1.4301, EN 1.4404 etc.
▪ Standard: 3A, DIN, SMS, BS, ISO, RTJ, IDF, INCH,etc.
▪ Sealing Gasket: Silicone, EPDM, PTFE, Buna-N etc.
▪ Temp.: -30°C / -22°F up to +120°C/ +248°F
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Sanitary Pipe Holder /Hangers

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Kaysen Steel Industry Co., Ltd. , https://www.chinasanitaryvalve.com