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Spiral Wound Gasket Material Grade Selection
Inner Ring Material PTFE
Carbon Steel
Stainless Steel 304
Stainless Steel 316/316L
Monel 400
Monel 200
Inconel 600
Incoloy 800
Incoloy 825
Duplex S31803 / S32205
Super Duplex S32760 / S32750
Spiral Winding/
Sealing Element		 Graphite
Outer Ring Material Carbon Steel
Stainless Steel 304
Stainless Steel 316/316L
Monel 400
Monel 200
Inconel 600
Incoloy 800
Incoloy 825
Duplex S31803 / S32205
Super Duplex S32760 / S32750

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Dimension Standard Size in Inch (mm) Rating
ASME/ANSI B16.50/BS1560
Flanges		 1/2″ (DN 15) to
24″ (DN 600)		 Class 150# to
Class 2500#
ASME/ANSI B16.47 Series A
Flanges (MSS SP-44)		 22″ (DN 550) to
60″ (DN 1500)		 Class 150# to
Class 900#
ASME/ANSI B16.47 Series B
Flanges (API-605)		 26″ (DN 650) to
60″ (DN 1500)		 Class 150# to
Class 900#
JIS B 2220 & JIS B 2238 – 2240
Flanges		 10 to 600 KGF/CM2
10, 16 – 20, 30,
40, & 63
DIN Flanges 10 to 1000 PN10 to PN250