Spiral Wound Gaskets

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China Mainland
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Description

Product Detail

Cixi Hongye Sealing And Packing Co.,Ltd is one of the leading China spiral wound gaskets manufacturers and suppliers with one of the famous brands, as a professional company our factory is able to produce low price heat exchanger spiral wound gasket, spiral wound gasket basic form, spiral wound gasket with inner ring, spiral wound gasket with outer ring, spiral wound gasket with inner and outer ring with high quality. Welcome to buy discount and cheap products from us.

CHYGRATM Spiral Wound Gaskets can be used to seal fluid

pressure up to 250 bar cryoprnices temperature as low as -200°C and up to elevated temperature of 1000°C. Products are widely used in the oil, gas, petrochemical process and engineering industries.

Spiral wound gaskets type:

Type	Thickness(mm)
Basic form	3.2	4.5
With inner ring		4.5
With outer ring		4.5
With inner and outer ring		4.5

Structure type:

Filler	Hoop	Inner ring	Outer ring
Asbestos	SUS 304	Carbon steel	Carbon steel
Graphite	SUS 316	SUS 304	SUS 304
PTFE	SUS 316L	SUS 316	SUS 316
		SUS 316L	SUS 316L

The table below may be used for selected material of inner ring and winding metal.

Trade name	AISI	Hardness(HB/HV)	Temperature(°C)
Stainless steel 304	304	130~180	-250~+550
Stainless steel 316	316	130~180	-100~+550
Stainless steel 316L	316L	130~190	-100~+550

The outer ring is generally manufactured from carbon steel with an anti-corronsion treatment.

The table below may be used for determining the correct filler.

Filler material	Temperature(°C)	Max operating pressure(kg/cm²)
Graphite	-200~550	250
Asbestos	-150~450	100
PTFE	-240~260	100

Flange type and Spiral Wound Gasket form

Flange type	Spiral Wound Gasket form
Flat face flange(F.F)	Gasket with an outer ring
Flat face flange(F.F)	Gasket with an inner and outer ring
Raised face flange(R.F)	Gasket with an outer ring
Raised face flange(R.F)	Gasket with an inner and outer ring
Male and female flange(M & F)	Basic form gasket
Male and female flange(M & F)	Gasket with an inner ring
Tongue and groove flange(T & F)	Basic form gasket
Tongue and groove flange(T & F)	Gasket with an inner ring
Flat and groove flange(F & G)	Basic form gasket
Flat and groove flange(F & G)	Gasket with an inner ring

Tolerances of thickness

Item	Thickness(mm)	Tolerances(mm)
Gasket thickness	4.5, 3.2	+0.2 -0.1
Ring thickness	3.0	±0.24

The table below specifies the production diameter tolerance (Nominal pipe diameter for flanges in accordance with):

	DIN (mm)	ANSI B16.5 BS1560 (mm) Mss sp-44	API 605	Tolerances
Inner ring I.D. Gasket I.D.	<=600	<=24"	>=26" and <=34"	±0.5
	>600 and <=800	>24" and <=34"	>=36" and <=60"	±0.9
	>800 and <=1600	>34" and <=60"		±1.3
	>1600	>60"		±1.6
Gasket O.D.	<=600	<=24"	<=24"	±0.9
	>600 and <=1600	>24" and <=60"	>24" and <=60"	±1.8
	1600	>60"		±2.2
Outer ring O.D			>=1/2" and <=60"	±0.9
	<=600	<=24"		0-1.0
	>600 and <=1000	>24" and <=34"		0-1.8
	>1000 and <=1600	>34" and <=60"		0-2.2