Home > Gaskets > Spiral Wound Gaskets
Choose a material type:
EQSW - Flexible Graphite Filler EQSWP - PTFE Filler
Equalseal Spiral Wound Gaskets
EQSW-FG

EQSW-FG

Outer Ring: Carbon Steel
Winding: 304 SS or 316 SS
Filler: Flexible Graphite
Inner Ring: None

EQSW-PTFE

EQSW-PTFE

Outer Ring: Carbon Steel
Winding: 304 SS or 316 SS
Filler:PTFE
Inner Ring: None

Other Styles

Other Styles Available

We offer many other standard and custom spiral wounds
Call (330) 984-0747 or email [email protected].

The style EQFG spiral wound gasket has been engineered to provide an alternative to sheet gaskets in Class 150 and Class 300 service. Style EQFG gaskets have the inherent strength, resiliency and blowout resistance of spiral wound gaskets, yet require low bolt load for seating. They are manufactured with high purity flexible graphite filler for optimum sealability, and are available for the full range of standard Class 150 and Class 300 flanges, as well as other non-standard low pressure flanges.

Select a size from the table to view/buy or use the filters below to refine your search

Pressure Class
Nominal Size
Inner Material
Winding/Filler
Outer Ring
150 Lb - 1/2
No Inner
304SS/Graphite
Carbon Steel Outer
150
1/2
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 1/2
No Inner
316SS/Graphite
Carbon Steel Outer
150
1/2
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 3/4
No Inner
304SS/Graphite
Carbon Steel Outer
150
3/4
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 3/4
No Inner
316SS/Graphite
Carbon Steel Outer
150
3/4
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 1
No Inner
304SS/Graphite
Carbon Steel Outer
150
1
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 1
No Inner
316SS/Graphite
Carbon Steel Outer
150
1
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 1 1/4
No Inner
304SS/Graphite
Carbon Steel Outer
150
1 1/4
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 1 1/4
No Inner
316SS/Graphite
Carbon Steel Outer
150
1 1/4
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 1 1/2
No Inner
304SS/Graphite
Carbon Steel Outer
150
1 1/2
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 1 1/2
No Inner
316SS/Graphite
Carbon Steel Outer
150
1 1/2
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 2
No Inner
304SS/Graphite
Carbon Steel Outer
150
2
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 2
No Inner
316SS/Graphite
Carbon Steel Outer
150
2
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 3
No Inner
304SS/Graphite
Carbon Steel Outer
150
3
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 3
No Inner
316SS/Graphite
Carbon Steel Outer
150
3
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 4
No Inner
304SS/Graphite
Carbon Steel Outer
150
4
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 4
No Inner
316SS/Graphite
Carbon Steel Outer
150
4
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 5
No Inner
304SS/Graphite
Carbon Steel Outer
150
5
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 5
No Inner
316SS/Graphite
Carbon Steel Outer
150
5
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 6
No Inner
304SS/Graphite
Carbon Steel Outer
150
6
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 6
No Inner
316SS/Graphite
Carbon Steel Outer
150
6
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 8
No Inner
304SS/Graphite
Carbon Steel Outer
150
8
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 8
No Inner
316SS/Graphite
Carbon Steel Outer
150
8
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 10
No Inner
304SS/Graphite
Carbon Steel Outer
150
10
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 10
No Inner
316SS/Graphite
Carbon Steel Outer
150
10
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 10
No Inner
304SS/Graphite
Carbon Steel Outer
150
10
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 10
No Inner
316SS/Graphite
Carbon Steel Outer
150
10
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 12
No Inner
304SS/Graphite
Carbon Steel Outer
150
12
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 12
No Inner
316SS/Graphite
Carbon Steel Outer
150
12
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 14
No Inner
304SS/Graphite
Carbon Steel Outer
150
14
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 14
No Inner
316SS/Graphite
Carbon Steel Outer
150
14
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 16
No Inner
304SS/Graphite
Carbon Steel Outer
150
16
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 16
No Inner
316SS/Graphite
Carbon Steel Outer
150
16
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 18
No Inner
304SS/Graphite
Carbon Steel Outer
150
18
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 18
No Inner
316SS/Graphite
Carbon Steel Outer
150
18
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 20
No Inner
304SS/Graphite
Carbon Steel Outer
150
20
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 20
No Inner
316SS/Graphite
Carbon Steel Outer
150
20
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 24
No Inner
304SS/Graphite
Carbon Steel Outer
150
24
No Inner Ring
304SS/Graphite
Carbon Steel
150 Lb - 24
No Inner
316SS/Graphite
Carbon Steel Outer
150
24
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 1/2
No Inner
304SS/Graphite
Carbon Steel Outer
300
1/2
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 1/2
No Inner
316SS/Graphite
Carbon Steel Outer
300
1/2
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 3/4
No Inner
304SS/Graphite
Carbon Steel Outer
300
3/4
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 3/4
No Inner
316SS/Graphite
Carbon Steel Outer
300
3/4
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 1
No Inner
304SS/Graphite
Carbon Steel Outer
300
1
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 1
No Inner
316SS/Graphite
Carbon Steel Outer
300
1
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 1 1/4
No Inner
304SS/Graphite
Carbon Steel Outer
300
1 1/4
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 1 1/4
No Inner
316SS/Graphite
Carbon Steel Outer
300
1 1/4
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 1 1/2
No Inner
304SS/Graphite
Carbon Steel Outer
300
1 1/2
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 1 1/2
No Inner
316SS/Graphite
Carbon Steel Outer
300
1 1/2
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 2
No Inner
304SS/Graphite
Carbon Steel Outer
300
2
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 2
No Inner
316SS/Graphite
Carbon Steel Outer
300
2
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 3
No Inner
304SS/Graphite
Carbon Steel Outer
300
3
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 3
No Inner
316SS/Graphite
Carbon Steel Outer
300
3
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 4
No Inner
304SS/Graphite
Carbon Steel Outer
300
4
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 4
No Inner
316SS/Graphite
Carbon Steel Outer
300
4
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 5
No Inner
304SS/Graphite
Carbon Steel Outer
300
5
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 5
No Inner
316SS/Graphite
Carbon Steel Outer
300
5
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 6
No Inner
304SS/Graphite
Carbon Steel Outer
300
6
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 6
No Inner
316SS/Graphite
Carbon Steel Outer
300
6
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 8
No Inner
304SS/Graphite
Carbon Steel Outer
300
8
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 8
No Inner
316SS/Graphite
Carbon Steel Outer
300
8
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 10
No Inner
304SS/Graphite
Carbon Steel Outer
300
10
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 10
No Inner
316SS/Graphite
Carbon Steel Outer
300
10
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 10
No Inner
304SS/Graphite
Carbon Steel Outer
300
10
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 10
No Inner
316SS/Graphite
Carbon Steel Outer
300
10
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 12
No Inner
304SS/Graphite
Carbon Steel Outer
300
12
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 12
No Inner
316SS/Graphite
Carbon Steel Outer
300
12
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 14
No Inner
304SS/Graphite
Carbon Steel Outer
300
14
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 14
No Inner
316SS/Graphite
Carbon Steel Outer
300
14
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 16
No Inner
304SS/Graphite
Carbon Steel Outer
300
16
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 16
No Inner
316SS/Graphite
Carbon Steel Outer
300
16
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 18
No Inner
304SS/Graphite
Carbon Steel Outer
300
18
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 18
No Inner
316SS/Graphite
Carbon Steel Outer
300
18
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 20
No Inner
304SS/Graphite
Carbon Steel Outer
300
20
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 20
No Inner
316SS/Graphite
Carbon Steel Outer
300
20
No Inner Ring
316SS/Graphite
Carbon Steel
300 Lb - 24
No Inner
304SS/Graphite
Carbon Steel Outer
300
24
No Inner Ring
304SS/Graphite
Carbon Steel
300 Lb - 24
No Inner
316SS/Graphite
Carbon Steel Outer
300
24
No Inner Ring
316SS/Graphite
Carbon Steel
150 Lb - 1/2
No Inner
304SS/PTFE
Carbon Steel Outer
150
1/2
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 1/2
No Inner
316SS/PTFE
Carbon Steel Outer
150
1/2
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 3/4
No Inner
304SS/PTFE
Carbon Steel Outer
150
3/4
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 3/4
No Inner
316SS/PTFE
Carbon Steel Outer
150
3/4
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 1
No Inner
304SS/PTFE
Carbon Steel Outer
150
1
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 1
No Inner
316SS/PTFE
Carbon Steel Outer
150
1
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 1 1/4
No Inner
304SS/PTFE
Carbon Steel Outer
150
1 1/4
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 1 1/4
No Inner
316SS/PTFE
Carbon Steel Outer
150
1 1/4
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 1 1/2
No Inner
304SS/PTFE
Carbon Steel Outer
150
1 1/2
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 1 1/2
No Inner
316SS/PTFE
Carbon Steel Outer
150
1 1/2
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 2
No Inner
304SS/PTFE
Carbon Steel Outer
150
2
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 2
No Inner
316SS/PTFE
Carbon Steel Outer
150
2
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 3
No Inner
304SS/PTFE
Carbon Steel Outer
150
3
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 3
No Inner
316SS/PTFE
Carbon Steel Outer
150
3
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 4
No Inner
304SS/PTFE
Carbon Steel Outer
150
4
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 4
No Inner
316SS/PTFE
Carbon Steel Outer
150
4
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 5
No Inner
304SS/PTFE
Carbon Steel Outer
150
5
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 5
No Inner
316SS/PTFE
Carbon Steel Outer
150
5
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 6
No Inner
304SS/PTFE
Carbon Steel Outer
150
6
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 6
No Inner
316SS/PTFE
Carbon Steel Outer
150
6
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 8
No Inner
304SS/PTFE
Carbon Steel Outer
150
8
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 8
No Inner
316SS/PTFE
Carbon Steel Outer
150
8
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 10
No Inner
304SS/PTFE
Carbon Steel Outer
150
10
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 10
No Inner
316SS/PTFE
Carbon Steel Outer
150
10
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 10
No Inner
304SS/PTFE
Carbon Steel Outer
150
10
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 10
No Inner
316SS/PTFE
Carbon Steel Outer
150
10
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 12
No Inner
304SS/PTFE
Carbon Steel Outer
150
12
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 12
No Inner
316SS/PTFE
Carbon Steel Outer
150
12
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 14
No Inner
304SS/PTFE
Carbon Steel Outer
150
14
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 14
No Inner
316SS/PTFE
Carbon Steel Outer
150
14
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 16
No Inner
304SS/PTFE
Carbon Steel Outer
150
16
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 16
No Inner
316SS/PTFE
Carbon Steel Outer
150
16
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 18
No Inner
304SS/PTFE
Carbon Steel Outer
150
18
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 18
No Inner
316SS/PTFE
Carbon Steel Outer
150
18
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 20
No Inner
304SS/PTFE
Carbon Steel Outer
150
20
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 20
No Inner
316SS/PTFE
Carbon Steel Outer
150
20
No Inner Ring
316SS/PTFE
Carbon Steel
150 Lb - 24
No Inner
304SS/PTFE
Carbon Steel Outer
150
24
No Inner Ring
304SS/PTFE
Carbon Steel
150 Lb - 24
No Inner
316SS/PTFE
Carbon Steel Outer
150
24
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 1/2
No Inner
304SS/PTFE
Carbon Steel Outer
300
1/2
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 1/2
No Inner
316SS/PTFE
Carbon Steel Outer
300
1/2
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 3/4
No Inner
304SS/PTFE
Carbon Steel Outer
300
3/4
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 1/2
No Inner
316SS/PTFE
Carbon Steel Outer
300
1/2
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 1
No Inner
304SS/PTFE
Carbon Steel Outer
300
1
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 1
No Inner
316SS/PTFE
Carbon Steel Outer
300
1
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 1 1/4
No Inner
304SS/PTFE
Carbon Steel Outer
300
1 1/4
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 1 1/4
No Inner
316SS/PTFE
Carbon Steel Outer
300
1 1/4
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 1 1/2
No Inner
304SS/PTFE
Carbon Steel Outer
300
1 1/2
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 1 1/2
No Inner
316SS/PTFE
Carbon Steel Outer
300
1 1/2
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 2
No Inner
304SS/PTFE
Carbon Steel Outer
300
2
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 2
No Inner
316SS/PTFE
Carbon Steel Outer
300
2
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 3
No Inner
304SS/PTFE
Carbon Steel Outer
300
3
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 3
No Inner
316SS/PTFE
Carbon Steel Outer
300
3
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 4
No Inner
304SS/PTFE
Carbon Steel Outer
300
4
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 4
No Inner
316SS/PTFE
Carbon Steel Outer
300
4
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 5
No Inner
304SS/PTFE
Carbon Steel Outer
300
5
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 5
No Inner
316SS/PTFE
Carbon Steel Outer
300
5
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 6
No Inner
304SS/PTFE
Carbon Steel Outer
300
6
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 6
No Inner
316SS/PTFE
Carbon Steel Outer
300
6
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 8
No Inner
304SS/PTFE
Carbon Steel Outer
300
8
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 8
No Inner
316SS/PTFE
Carbon Steel Outer
300
8
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 10
No Inner
304SS/PTFE
Carbon Steel Outer
300
10
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 10
No Inner
316SS/PTFE
Carbon Steel Outer
300
10
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 10
No Inner
304SS/PTFE
Carbon Steel Outer
300
10
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 10
No Inner
316SS/PTFE
Carbon Steel Outer
300
10
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 12
No Inner
304SS/PTFE
Carbon Steel Outer
300
12
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 12
No Inner
316SS/PTFE
Carbon Steel Outer
300
12
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 14
No Inner
304SS/PTFE
Carbon Steel Outer
300
14
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 14
No Inner
316SS/PTFE
Carbon Steel Outer
300
14
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 16
No Inner
304SS/PTFE
Carbon Steel Outer
300
16
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 16
No Inner
316SS/PTFE
Carbon Steel Outer
300
16
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 18
No Inner
304SS/PTFE
Carbon Steel Outer
300
18
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 18
No Inner
316SS/PTFE
Carbon Steel Outer
300
18
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 20
No Inner
304SS/PTFE
Carbon Steel Outer
300
20
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 20
No Inner
316SS/PTFE
Carbon Steel Outer
300
20
No Inner Ring
316SS/PTFE
Carbon Steel
300 Lb - 24
No Inner
304SS/PTFE
Carbon Steel Outer
300
24
No Inner Ring
304SS/PTFE
Carbon Steel
300 Lb - 24
No Inner
316SS/PTFE
Carbon Steel Outer
300
24
No Inner Ring
316SS/PTFE
Carbon Steel