Gold Member Since 2004
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Cixi Hongye Sealing And Packing Co., Ltd.

Gasket, Spiral Wound Gasket, Metal Gasket manufacturer / supplier in China, offering Spiral Wound Gasket Spw Gasket, Graphite Sheet Expanded Graphite Roll (Sheet), Sealing Gasket G2140 Serrated Gasket and so on.

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Spiral Wound Gasket Spw Gasket

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Min. Order: 100 Pieces
Payment Terms: L/C, T/T

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Product Description
CHYGRA 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:
TypeThickness(mm) 
Basic form3.24.5
With inner ring 4.5
With outer ring 4.5
With inner and outer ring 4.5
 
Structure type:
FillerHoopInner ringOuter ring 
AsbestosSUS 304Carbon steelCarbon steel
GraphiteSUS 316SUS 304SUS 304
PTFESUS 316LSUS 316SUS 316
  SUS 316LSUS 316L
 
The table below may be used for selected material of inner ring and winding metal.
Trade nameAISIHardness(HB/HV)Temperature(°C) 
Stainless steel 304304130~180-250~+550
Stainless steel 316316130~180-100~+550
Stainless steel 316L316L130~190-100~+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 materialTemperature(°C)Max operating pressure(kg/cm 2 ) 
Graphite-200~550250
Asbestos-150~450100
PTFE-240~260100
 
Flange type and Spiral Wound Gasket form
Flange typeSpiral Wound Gasket form 
Flat face flange(F.F)Gasket with an outer ring
Gasket with an inner and outer ring
Raised face flange(R.F)Gasket with an outer ring
Gasket with an inner and outer ring
Male and female flange(M & F)Basic form gasket
Gasket with an inner ring
Tongue and groove flange(T & F)Basic form gasket
Gasket with an inner ring
Flat and groove flange(F & G)Basic form gasket
Gasket with an inner ring
 
Tolerances of thickness
ItemThickness(mm)Tolerances(mm) 
Gasket thickness4.5, 3.20.2
-0.1
Ring thickness3±0.24
 
The table below specifies the production diameter tolerance (Nominal pipe diameter for flanges in accordance with):
 DIN (mm)ANSI B16.5API 605Tolerances
BS1560 (mm)
Mss sp-44
Inner ring I.D.<=600<=24">=26" and <=34"±0.5
Gasket I.D.>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
 
Note:1.We also can produce according to JIS.JPI standards or client request.

Spiral Wound Gasket Spw Gasket
 
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