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Gray graphite full-face flange gasket with stainless steel insert, 11 inch outer diameter, eight bolt holes

Zoro Select

Zoro Select Full-Face Graphite Flange Gasket 6 in 1/16 in

SKU CH-KD9G-WSPW8

Full-face graphite flange gasket with 316 stainless-steel insert for 6-inch ANSI Class 150 piping, rated from -400 °F to 975 °F

  • Graphite construction withstands -400 °F to 975 °F extremes
  • 316 stainless steel insert reinforces seal under 150 class pressure
  • Full-face 11 in OD covers entire flange surface evenly
  • 1/16 in thickness fits standard 6 in pipe assemblies precisely
  • Eight 7/8 in bolt holes align with ANSI 150 pattern

Zoro Select Graphite Flange Gasket 6 in

This full-face gasket fits 6-inch pipe flanges rated to ANSI Class 150. The graphite facing is reinforced with 316 stainless steel for chemical resistance. It suits maintenance teams and plant engineers who need a reliable seal in piping systems. The gasket arrives new and ready for installation.

Thermal range and pressure rating

The gasket operates from minus 400 degrees F up to 975 degrees F. Graphite construction handles wide temperature swings without hardening. The 1/16-inch thickness provides consistent seating stress under normal bolt torque. No binder material means fewer decomposition products in the fluid stream.

Sustained service behaviour

Under continuous exposure the stainless insert resists oxidation and maintains mechanical strength. The eight bolt holes at 7/8 inch diameter align with standard Class 150 flanges for even load distribution. Gray colour allows visual inspection of surface condition during routine shutdowns. The design supports long-term sealing without re-torquing.

Highlights

  • Graphite construction withstands -400 °F to 975 °F extremes
  • 316 stainless steel insert reinforces seal under 150 class pressure
  • Full-face 11 in OD covers entire flange surface evenly
  • 1/16 in thickness fits standard 6 in pipe assemblies precisely
  • Eight 7/8 in bolt holes align with ANSI 150 pattern

Specifications

BrandZORO SELECT

Questions about this item

How do I install the 6 in full-face graphite gasket on an ANSI Class 150 flange and what step is often missed?

Center the 11 in outside diameter over the flange face, align the eight 7/8 in bolt holes, insert bolts through the gasket before tightening, and torque in a star pattern to avoid uneven compression.

What maintenance or replacement will the graphite and 316 stainless steel insert need over time?

Inspect for graphite oxidation or flange corrosion during scheduled shutdowns; replace the gasket whenever the joint is broken or if thickness loss exceeds the 1/16 in original dimension.

What limit appears first under sustained high-temperature service near the 975 Degrees F maximum?

Graphite oxidation in air accelerates as temperature approaches the 975 Degrees F rating, leading to material loss and seal failure before the 316 stainless insert reaches its limit.

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