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Auto Parts

Air Brake Silencer

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Spiral Wound Gasket With Inner and Outer Ring

Product Type:XINSEN-SD

Features:

This spiral wound gasket has solid outer and inner ring .However an inner ring has been inserted to enhance gasket performance and an external guide ring accurately centers gasket on flange face. The inner ring is added to prevent the possibility of the gasket imploding into the pipe during installation, to protect the sealing element from extreme temperatures and mediums, fill the void between flanges to prevent erosion of the flange, and to reduce the possibility of failure. The inner ring is normally made of the same alloy as the winding. The DIN 2699 standard (German) specifies inner rings in all spiral wound gaskets. Inner rings are required for gasket with PTFE filler according to ASME B16.20 standards, and considered important for graphite fillers. This profile is normally used in raised and flat faced flanges. The external ring a provides additional radial strength to prevent gasket blowout and acts as a compression stop. This profile is normally used in raised and flat faced flanged. The outer ring is often made of carbon steel (painted or zinc plated to prevent corrosion) but can be made of alloys for higher temperature and more severe medium applications.

Style	Construction	Flange	Hoop material	Filler		Inner & outer Material	Size (mm)	Thickness (mm)
				Material	Code			V	W
	Basic type	Tongue and Groove	304 304L 316 316L 321 Alloy825 Monel400 Inconel625 S32750	Asbestos Graphite PTFE Non-asbestos	ASB FG PTFE NACF	Carbon steel 304 (L) 321 316(L) Alloy825 Monel400 Inconel625 S32750	16-3000	3.2 4.5	4.8 5.5 7.5
	With outer ring	Raised face Flat face
	With inner ring	Male and Female
	With inner, outer ring	Raised face Flat face
	For heat exchanger	Heat exchanger