Spiral wound gaskets/wound gaskets/metal gaskets/SWG

Spiral Wound Gaskets/wound gaskets/metal gaskets/SWG Spiral wound gaskets/wound gaskets/metal gaskets/SWG is formed by preloading with corrugated metal and nonmetal with alternating overlapping spiral wound made, and add reinforcement ring according to working conditions. Because it has multi-channel sealing, high temperature, corrosion-resistant, less demanding on the flange sealing surface roughness and other characteristics, so it is widely used in power stations, aviation, petrochemical, valves and other industries.
Medium: steam, hydrogen, natural gas, pyrolysis gas, oil, acid, alkali, salt solutions etc. Spiral wound gaskets/wound gaskets/metal gaskets/SWG   Spiral wound gaskets/wound gaskets/metal gaskets/SWG  Spiral wound gaskets/wound gaskets/metal gaskets/SWG Spiral wound gaskets/wound gaskets/metal gaskets/SWG Spiral wound gaskets/wound gaskets/metal gaskets/SWG Spiral wound gaskets/wound gaskets/metal gaskets/SWG Type selection: 1.Spiral wound gaskets/wound gaskets/metal gaskets/SWG basic mode Consists of a metal belt and filling material wrapped, applicable to the concave and convex flanges, mortise flange and groove flange.   2.Spiral wound gaskets/wound gaskets/metal gaskets/SWG with inner ring The addition of the metal inner ring on the basic type as the pressure retaining body, also fill the flange and sealing of the inner edge of the air gap, the design can prevent the solid accumulation, reduce fluid impact, and make the flange surface erosion to minimize.   3.Spiral wound gaskets/wound gaskets/metal gaskets/SWG with outer ring Using the outer ring, the Gasket can be placed in the center of the flange accurately, this well provide additional stress to prevent the gasket burst into a compression check point. Generally applicable to the plane and raised face flanges.   4.Spiral wound gaskets/wound gaskets/metal gaskets/SWG with inner and outer ring Add in the inner outer ring based on outernal compression as a stopping point, also be resistance body heat and corrosion, protection the pad plate sealing surface of flange, to prevent corrosion. Suitable for the plane and raised face flanges, especially in high temperature and high pressure work conditions. Spiral wound gaskets/wound gaskets/metal gaskets/SWG section plan Spiral wound gaskets/wound gaskets/metal gaskets/SWG matching flange selection table  Spiral wound gaskets/wound gaskets/metal gaskets/SWG Main materials specifications

Metal material temperature table
Material	Min            °F                 °C		Max          °F                 °C		Abbreviation     mark
304SS	-320	-195	1400	760	304
306LSS	-150	-100	1400	760	316L
321SS	-320	-195	1400	760	321
347SS	-320	-195	1700	925	347
WCB	-40	-40	100	540	CRS
20 Cb-3(Alloy)	-300	-185	1400	760	A-20
HASTELLOYB2	-300	-195	2000	1090	HASTB
HASTELLOYC276	-300	-185	2000	1090	HASTC
INCOLOY800	-150	-100	1600	870	In800
INCONEI600	-150	-100	2000	1090	INC600
INCONEL×750	-150	-100	2000	1090	INX
MONEL400	-200	-130	1500	820	MON
Nickel 200	-320	-195	1400	760	Ni
Titanium	-320	-195	2000	1090	Ti

 

Filling material temperature resistance performance table
Material	Min       °F           °C		Max        °F            °C		Abbreviation     mark
Ceramic	-350	-212	2000	1090	CER
Flexible graphite	-350	-212	950	510	F.G.
Teflon	-400	-240	500	260	PTEE
Asbestos	-324	-198	1022	550	ASB
Non asbestos	-184	-120	482	250	TNA

Spiral wound gaskets/wound gaskets/metal gaskets/SWG use filed      

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