Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket

Product Details
Customization: Available
Material: SS316L, 304 CS, Graphite
Application: Flanges
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  • Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket
  • Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket
  • Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket
  • Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket
  • Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket
  • Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket
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  • Overview
  • Company Profile
  • Product Description
Overview

Basic Info.

Model NO.
G-055
Type
Shaft Seal
Performance
High Pressure
Shape
O-Ring
Standard
Standard
Flange Standard
ANSI B16.5 ANSI B16.47 a/B
Delivery
2-4 Weeks
Service
for Oil and Gas Pipeline Sealing
Gasket Standard
B16.20
Pressure
150lb 300lb 600lb 900lb 1500lb 2500lb
Flange Face
Raised Face
Transport Package
Sea Shipment
Specification
1/2"-64"
Trademark
Qishine
Origin
China
HS Code
8484100000

Product Description

Company Profile

Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket

About Us


Xiamen Qishine Imp. & Exp. Co., Ltd provides forged flanges with nominal diameter DN15 - DN3000 that suit for Europe, Germany, the United States, France, Britain, Italy, Russia, Japan and domestic chemical standards, EN, DIN, ASME, ANSI, BS, JIS, MSS, API,AWWA, Gost, GB and SAE. Non-standard flanges according to customers' drawings are available also. All our products  are made by ISO,PED, EC, EU and API approved manufacturers. Be rest assured about our products quality. And any third party inspection before delivery are welcome. 

Product Description

Spiral Wound Gasket,ASME B16.20 Metal Gasket for 150#, 300#, 600#,900#,1500# and 2500# flanges

Ring Joint Gasket, ASME B16.20 Metal Gasket for 150#, 300#, 600#,900#,1500# and 2500# flanges

ASME B16.20 Metal Gasket Material available: CS/304/304L/316/316L/321/347... all steel family

 

Spiral Wound gaskets, ASME B16.20 Metal Gasket

The concept of spiral wound gasket construction was originated by Flexitallic in 1912, inaugurating the beginning of a new era in safe, effective sealing. The primary purpose for this development was the increasingly severe temperatures and pressures used by U.S. refinery operators in the first half of the century.

 

The necessity for a gasket to have the ability to recover cannot be over emphasized. The effects of pressure and temperature fluctuations, the temperature differential across the flange face, together with bolt stress relaxation and creep, demand a gasket with adequate flexibility and recovery to maintain a seal even under these varying service conditions. The Spiral Wound Gasket is the precision engineered solution to such problems, meeting the most exacting conditions of both temperature and pressure in flanged joints and similar assemblies and against virtually every known corrosive and toxic media.The spiral wound gasket meets the most exacting conditions of both temperature and pressure in flanged joints and similar assemblies and against every known corrosive and toxic media.

ASME B16.20 which covers spiral wound gaskets requires the use of solid metal inner rings in: Pressure Class 900, nominal pipe sizes 24 and larger, Pressure Class 1500 from nominal pipe sizes 12 and larger, Pressure Class 2500 from nominal pipe sizes 4 and larger and all PTFE filled gaskets. In the same standard is also described how a spiral wound gasket should be characterized, below you will find a image on it.

Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket

Flange Metallic Seal ASME B16.20 RF Spiral Wound GasketFlange Metallic Seal ASME B16.20 RF Spiral Wound GasketFlange Metallic Seal ASME B16.20 RF Spiral Wound GasketFlange Metallic Seal ASME B16.20 RF Spiral Wound GasketFlange Metallic Seal ASME B16.20 RF Spiral Wound Gasket

Ring & Strip Materials
  Minimum Maximum   GuideRing Color Code
Material F C F C Abberviation
SS 304 -320 -195 1400 760 304 Yellow
SS 316L -150 -100 1400 760 316L Green
SS 347L -150 -100 1400 760 317L Maroon
SS 321 -320 -195 1400 760 321 Turquoise
SS347 -320 -195 1700 925 347 Blue
Carbon Steel -40 -40 1000 540 CRS Silver
Alloy 20 -300 -185 1400 760 A-20 Black
Hastelloy B3 -300 -185 2000 1090 HASTB Brown
Hastelloy C276 -300 -185 2000 1090 HASTC Belge
Incoloy 800 -150 -100 1600 870 IN 800 White
Incoloy 825 -150 -100 1600 870 IN 825 White
Inconel 600 -150 -100 2000 1090 INC 600 Gold
Inconel 625 -150 -100 2000 1090 INCO 625 Gold
Inconel X750 -150 -100 2000 1090 INX No Color
Monel 400 -200 -130 1500 820 MON Orange
Nickel 200 -320 -195 1400 760 NI Red
Titanium -320 -195 2000 1090 TI Puple

Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket
Flange Metallic Seal ASME B16.20 RF Spiral Wound Gasket

 

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