Spiral Wound Gaskets

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Selling leads
Spiral Wound Gaskets
Posting date : May 16, 2015
Membership
Free Member Scince Mar 06, 2015
FOB Price
1
Min. Order Quantity
100
Supply Abillity
3000PCS/MONTH
Port
SHANGHAI/NINGBO/TIANJIN
Payment Terms
WESTERN UNION,PAYPAL,T/T
Package
CARTON/WOODEN CASE
Keyword :
Category
Contact
Liszt
Selling Leads Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
SQ
Model Number
SQ001
HS-CODE
4016-93
Package & Delivery Lead Time
Package
CARTON/WOODEN CASE
Delivery Lead Time
20DAYS
Detailed Description
SPIRAL WOUND GASKETS
 
Spiral wound gasket 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.
 
Benefits:
1, spiral wound gasket has good compression rate and resilience.
2, spiral wound gasket with the appropriate plasticity, after pressing the sealing surface can adapt to uneven sealing surface and fill the gap, in order to ensure good sealing performance in case of a system of alternating temperature and pressure.
3, spiral wound gasket has good tensile strength and elongation.
4, spiral wound gasket has excellent corrosion resistance, it will not be destroyed in some extreme medium, does not produce a large expansion and contraction.
5, spiral wound gasket does not soften at high temperatures, do not creep; non-hardening at low temperatures, does not shrink.
6, spiral wound gasket with sufficient strength, under external loading conditions, not to be crushed; under high pressure, not to be blown out.
 
YDAJ basic mode
Consists of a metal belt and filling material wrapped, applicable to the concave and convex flanges, mortise flange and groove flange.
YDBJ 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.
YDC type outer ring
Using the outer ring, the gasket can be placed in the center of the flange accurately, well provide additional stress to prevent the gasket burst, into
A compression check point. Generally applicable to the plane and raised face flanges.
YDD type of inner and outer ring
Add in the inner outer ring based on internal 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.
 
 
 
 
 
Metal material temperature table
 
Material
              Min
     ℉          ℃
          Max
    ℉          ℃
 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
    ℉      ℃
        Max
    ℉      ℃
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
 

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