Product Details
Product Description
Product Description
Ring & Strip Materials:| Stainless Steel / Carbon Steel /alloy | Filler Materials:Flexible Graphite / PTFE / Ceramic |
Flange Standard:| ASME B16.5 / EN1514-2 | Name:Spiral Wound Gasket |
Standard:| ASME B16.20 | Type:CGI |
Color:| According To Guide Ring Color Code |
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High Light:| Flange Spiral Wound Graphite Gasket, CGI Spiral Metallic Gasket, Outer Rings Spiral Wound Flange Gaskets |
ASME B16.20 CGI Spiral Wound Gasket with Inner & Outer Rings suit for ASME B16.5 flange
Spiral wound gasket is formed of V-shaped metallic strip and soft non-metallic filler by means of piled,
spiral wound gasket and connected its end and beginning by dot welded. Depend on its excellent compression
resilience, it is suitable for sealing sports where the alteration of temperature and pressure are frequent.
It can be used as the static sealing element of pipe, valve, pump, thermal exchange, condensing tower,
plain hole and man hole of flange, etc. It has been widely applied in the fields of petrochemical,
mechanical factory, power station, metallurgy, shipbuilding, medical and pharmaceutical unclear
power station and navigation, etc.
Style CGI
Suitable for flat face and raised face flanges up to Class 2500
Recommended for higher pressure applications, for use with PTFE fillers, and when delineated by ASME B16.20
Inner ring acts as a compression limiter and protects sealing elements from process media attack
A style CG gasket fitted with internal ring which gives an additional compression limiting stop and provides heat
and corrosion barrier protecting gasket windings and preventing flange erosion.
Suitable for use with flat face flanges and specified for high pressure & temperature service, class 900 and above
or where corrosive or toxic media are present.
Other styles available upon request.
| Ring & Strip Materials | Minimum | Maximum |
| Guide Ring
Color Code |
| Material | F | c | F | c | Abberviation |
| ss304 | -320 | -195 | 1400 | 760 | 304 | Yellow |
| ss316L | -150 | -100 | 1400 | 760 | 316L | Green |
| ss347L | -150 | -100 | 1400 | 760 | 317L | Maroon |
| ss321 | -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 | 200o | 1090 | HASTB | Brown |
| Hastelloy c276 | -300 | -185 | 2000 | 1090 | HASTC | Beige |
| Incoloy 800 | -150 | -100 | 1600 | 870 | IN 800 | White |
| lncoloy 825 | -150 | -100 | 1600 | 870 | IN 825 | White |
| lnconel 600 | -150 | -100 | 2000 | 1090 | INC 60o | 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 | Nl | Red |
| Titanium | -320 | -195 | 2000 | 1090 | T | Purple |
| Filler Materials |
| Minimum | Maximum CoT |
| Stripe
Color Code |
| Material | F | c | F | c | Abbreviation |
Flexible
Graphite | -350 | -212 | 950 | 510 | F.G. | Gray |
| PTFE | -400 | -240 | 500 | 260 | PTFE | White |
| Ceramic | -350 | -212 | 2000 | 1090 | CER | Light Green |
| Mica Graphite | -350 | -212 | 1100 | 590 | MICA-GRA | Pink |
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