SPIRAL WOUND GASKETS

Description:

Spiral wound gaskets can be manufactured in a variety of styles, sizes, and densities where it’s a combination of a filler material made from graphite, PTFE, or mica and a profiled metal are available, which enables the gasket to meet the requirements of varied operating conditions. Based on metal selection and filler, it can be used against virtually any corrosive medium.

FILLER MATERIAL

MAXIMUM TEMPERATURE

ASME B16.20 COLOR CODING

Graphite

550°C

Grey Stripe

PTFE

260°C

White Stripe

Mica

1000°C

Light Green Stripe

WINDING MATERIAL

MAXIMUM TEMPERATURE ASME B16.20 COLOR CODING

304L Stainless Steel

650°C

Yellow

316L Stainless Steel

800°C

Green

347 Stainless Steel

870°C

Blue

321 Stainless Steel

870°C

Turquoise

Monel 400

800°C

Orange

Inconel 600

1000°C

Gold

Inconel 625

1000°C

Gold

Inconel 825

600°C

N/A

Super Duplex

600°C

N/A

Alloy 20 600°C

N/A

SPIRAL WOUND GASKETS - ALFARES STYLE

TYPE: WIR3

  • Winding and filler (Sealing Elements )
  • Inner Ring

SPIRAL WOUND GASKETS - ALFARES STYLE

TYPE: WR

  • Winding and filler (Sealing Element) 

TYPE: WIOR2

  • Winding and filler (Sealing Elements)
  • Inner Ring
  • Outer Ring

TYPE: WOR1

  • Winding and filler (Sealing Elements)
  • Outer Ring

SPIRAL
WOUND GASKETS -ASME COLOR CODES

METALLIC WINDING
MATERIAL FOR SPIRAL WOUND GASKET

ABBREVIATED
WINDING
MATERIAL NAME

COLOR CODE

Carbon
steel 

CRS

Silver

304
SS 

304

Yellow

304
L SS 

304 L

No color

309
SS 

309

No color

316
L SS 

316 L

Green

347
SS 

347

Blue

321
SS 

321

Turquoise

Monel
400 

MON

Orange

Nickel
200 

NI

Red

Titanium 

TI

Purple

Hastelloy

HAST B

Brown

Hastelloy

HAST C

Beige

FILLER
MATERIAL – RIM STRIPE COLOR

POLYTETRAFLUOROETHYLENPTFEWHITE STRIPS

Flexible graphite 

F.G.

Gray stripe

Ceramic 

CER

Light green
stripe

Mica Paper

 

Pink