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Spiral wound gasket with inner ring

Item: A.S.SEALS.SW6000-IR

Description: 1.SW6000-RIR, hovered and wound, spot welded beginning and end terminal by V-shaped and W-shaped stainless steel and non metal filler. The materials of inner ring is as the same as the strips.
2.Solid inner metal ring acts as a compression stop and fillers the annular space between flange bore and the inside diameter.
3.Only inner ring used as a high pressure temperature capability,
4.For groove flanges and general applications.

Specification:

Selectable Materials:

Strip (Hoop) and the inner and outer ring profile		Filler			General thickness / mm
Name	Code	Name	Code	Appropriate Temp.^oC	V-shape gasket/Ring	W-shape gasket/Ring
Carbon Steel	CS	Graphite	FG	650
Stainless steel	304(L), 316(L)	Asbestos	ASB	500
Monel	Mon	PTFE	PTFE	250		4.8/3.0
Ni, Ti	Ni, Ti	Mica	MICA	950	3.2/2,0	5.5/4.0
Inconel	INC	Ceramic	CER	1000	4.5/3.0	7.5/5.0
Hastelloy, Zr	HAST, ZIRC	Non-asb	NAF	300

Color code according to ASME B 16.20 on request.

Writing methods:
D1*D2*D3
D1: Inner diameter of the inner ring
D2: Outer diameter of the inner ring.
D3: Outer diameter of the gasket
Normally the thickness of the ring is 0.125"(3.2mm), 0.175"(4.5mm),special thickness, please request.
Applicable Standards:
ANSI B 16.20, MSS SP-44, API 605, DIN, JIS, JPI, BS 1560, JG/T, GB/T, HG, SH,etc.
Or the designated in detail by clients.