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Spiral Wound Gaskets
Spiral wound gaskets are constructed with alternating components of formed metal wire and soft filler material. This forms a very effective seal when under proper flange compression. The metal strip has a V–shaped crown which gives the spiral wound gaskets increased resiliency under varying conditions. The wire materials and fillers can vary in order to meet the compatibility requirements of different chemical environments. Gasket construction and dimensions can be modified to provide an effective seal when available compression bonds are limited. Spiral wound gaskets may have a centering ring and/or an inner ring. The outer centering ring aids in locating the gasket on the flange. The inner ring gives the gasket additional radial strength. It also helps to reduce flange erosion and protect the sealing element. Spiral wound gaskets are widely used throughout refineries, chemical processing plants, power generation, aerospace, and other applications requiring a strong, resilient seal. New applications continue to be added with increasing environmental regulations and industry requirements. Custom Gaskets - Spiral wound gaskets can be custom fabricated to meet a wide range of dimensional requirements. Call us with your specific application or specifications, and we will assist you in obtaining the spiral wound gasket to meet your needs
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| Flange Size (NPS) |
Outside Diameter of Gasket |
Inside Diameter of Gasket by Class |
Outside Diameter of Centering Ring by Class |
| Classes 150, 300, 400, 600 |
Classes 900, 1500, 2500 |
150 |
300 |
400 |
600 |
900 |
1500 |
2500 |
150 |
300 |
400 |
600 |
900 |
1500 |
2500 |
| 1/2" |
1.25 |
1.25 |
0.75 |
0.75 |
(2) |
0.75 |
(2) |
0.75 |
0.75 |
1.88 |
2.13 |
(2) |
2.13 |
(2) |
2.50 |
2.75
|
| 3/4" |
1.56 |
1.56 |
1.00 |
1.00 |
(2) |
1.00 |
(2) |
1.00 |
1.00 | 2.25 |
2.63 |
(2) |
2.63 |
(2) |
2.75 |
3.00
|
| 1" |
1.88 |
1.88 |
1.25 |
1.25 |
(2) |
1.25 |
(2) |
1.25 |
1.25 |
2.63 |
2.88 |
(2) |
2.88 |
(2) |
3.13 |
3.38
|
| 1-1/4" |
2.38 |
2.38 |
1.88 |
1.88 |
(2) |
1.88 |
(2) |
1.56 |
1.56 |
3.00 |
3.25 |
(2) |
3.25 |
(2) |
3.50 |
4.13
|
| 1-1/2" |
2.75 |
2.75 |
2.13 |
2.13 |
(2) |
2.13 |
(2) |
1.88 |
1.88 |
3.38 |
3.75 |
(2) |
3.75 |
(2) |
3.88 |
4.63
|
| 2" |
3.38 |
3.38 |
2.75 |
2.75 |
(2) |
2.75 |
(2) |
2.31 |
2.31 |
4.13 |
4.38 |
(2) |
4.38 |
(2) |
5.63 |
5.75
|
| 2-1/2" |
3.88 |
3.88 |
3.25 |
3.25 |
(2) |
3.25 |
(2) |
2.75 |
2.75 |
4.88 |
5.13 |
(2) |
5.13 |
(2) |
6.50 |
6.63
|
| 3" |
4.75 |
4.75 |
4.00 |
4.00 |
(2) |
4.00 |
3.75 |
3.63 |
3.63 |
5.38 |
5.88 |
(2) |
5.88 |
6.63 |
6.88 |
7.75
|
| 4" |
5.88 |
5.88 |
5.00 |
5.00 |
4.75 |
4.75 |
4.75 |
4.63 |
4.63(1) |
6.88 |
7.13 |
7.00 |
7.63 |
8.13 |
8.25 |
9.25
|
| 5" |
7.00 |
7.00 |
6.13 |
6.13 |
5.81 |
5.81 |
5.81 |
5.63 |
5.63(1) |
7.75 |
8.50 |
8.38 |
9.50 |
9.75 |
10.00 |
11.00
|
| 6" |
8.25 |
8.25 |
7.19 |
7.19 |
6.88 |
6.88 |
6.88 |
6.75 |
6.75(1) |
8.75 |
9.88 |
9.75 |
10.50 |
11.38 |
11.13 |
12.50
|
| 8" |
10.38 |
10.13 |
9.19 |
9.19 |
8.88 |
8.88 |
8.75 |
8.50 |
8.50(1) |
11.00 |
12.13 |
12.00 |
12.63 |
14.13 |
13.88 |
15.25
|
| 10" |
12.50 |
12.25 |
11.31 |
11.31 |
10.81 |
10.81 |
10.88 |
10.50 |
10.63(1) |
13.38 |
14.25 |
14.13 |
15.75 |
17.13 |
17.13 |
18.75
|
| 12" |
14.75 |
14.50 |
13.38 |
13.38 |
12.88 |
12.88 |
12.75 |
12.75(1) |
12.50(1) |
16.13 |
16.63 |
16.50 |
18.00 |
19.63 |
20.50 |
21.63
|
| 14" |
16.00 |
15.75 |
14.63 |
14.63 |
14.25 |
14.25 |
14.00 |
14.25(1) |
(2) |
17.75 |
19.13 |
19.00 |
19.38 |
20.50 |
22.75 |
(2)
|
| 16" |
18.25 |
18.00 |
16.63 |
16.63 |
16.25 |
16.25 |
16.25 |
16.00(1) |
(2) |
20.25 |
21.25 |
21.13 |
22.25 |
22.63 |
25.25 |
(2)
|
| 18" |
20.75 |
20.50 |
18.69 |
18.69 |
18.50 |
18.50 |
18.25 |
18.25(1) |
(2) |
21.63 |
23.50 |
23.38 |
24.13 |
25.13 |
27.75 |
(2)
|
| 20" |
22.75 |
22.50 |
20.69 |
20.69 |
20.50 |
20.50 |
20.50 |
20.25(1) |
(2) |
23.88 |
25.75 |
25.50 |
26.88 |
27.50 |
29.75 |
(2)
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| 24" |
27.00 |
26.75 |
24.75 |
24.75 |
24.75 |
24.75 |
24.75(1) |
24.25(1) |
(2) |
28.25 |
30.50 |
30.25 |
31.13 |
33.00 |
35.50 |
(2) |
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Non-Asbestos Gasket Materials
| Garlock Style 2900 (STYLE 0G2900) |
| Aramid and mineral fiber; nitrile binder. Good for water, aliphatic hydrocarbons, oils, gasoline. Temperature – Maximum: 700° F, Minimum: –40° F, Continuous Maximum: 400° F. Maximum Pressure: 1000 psig. Sealability ASTM Fuel A 0.25 ml/hr. (ASTM F37B). Creep relaxation: 25% (ASTM F38B). Tensile strength 1500 psi (ASTM F152 across grain). Color: Black. |
| Size |
Part Number |
| 1/64"x60"x120" | 0G2900015x60x120
| | 1/32"x60"x120" | 0G2900031x60x120
| | *3/64"x60"x120"
| | 1/16"x60"x120" | 0G2900062x60x120
| | 3/32"x60"x120" | 0G2900093x60x120
| | 1/8"x60"x120" | 0G2900125x60x120 |
*Not an American Packing stock item. Special order. Note: Longest lengths stocked by American Packing are indicated. Shorter lengths always available.
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| BLUE-GARD® 3000 (STYLE 0G3000) |
| Aramid fiber; nitrile binder. Good for water, aliphatic hydrocarbons, oils, gasoline. Temperature – Maximum: 700° F, Minimum: –40° F, Continuous Maximum: 400° F. Maximum Pressure: 1000 psig. Sealability ASTM Fuel A0.2 ml/hr, nitrogen 0.6 ml/hr (ASTM F37B). Creep relaxation 21% (ASTM F38). Tensile strength 2250 psi (ASTM F152 across grain). Color: Blue. |
| Size |
Part Number |
| 1/64"x60"x180" | 0G3000015x60x180
| | *1/64"x150"x150"
| | 1/32"x60"x180" | 0G3000031x60x180
| | *1/32"x150"x150"
| | *3/64"x60"x180"
| | *3/64"x150"x150"
| | 1/16"x60"x180" | 0G3000062x60x180
| | *1/16"x150"x150"
| | 3/32"x60"x180" | 0G3000093x60x180
| | *3/32"x150"x150"
| | 1/8"x60"x180" | 0G3000125x60x180
| | *1/8"x150"x150"
| | 3/16"x60"x60" | 0G3000187x60x60
| | 1/4"x60"x60" | 0G3000250x60x60 |
*Not an American Packing stock item. Special order. Note: Longest lengths stocked by American Packing are indicated. Shorter lengths always available.
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| Plant Fibre Rubber Beater Saturated (Interface Solutions CS-301) |
| Made from cellulose fibre, cork, and styrene butadiene rubber (SBR). Atendency to swell moderately without disintegrating in water or oil makes this fibre sheet a dependable seal in services not involving aromatic fuels and solvents. Tensile strength minimum 700 PSI. Temperatures to 300°F. |
Plant Fibre Buna-N Beater Saturated (Interface Solutions CN-705)
Made from cellulose fibre, cork, and Buna-N. It is generally suitable for oil, gasoline, and water services. Combines high compressibility and high crush strength. Tensile strength minimum 1000 PSI. Temperatures to 300°F. |
Cork and Neoprene Medium Hardness (Interface Solutions DC-100)
A neoprene rubber sheet to which very fine cork particles have been added to create a homogeneous material with great compressibility combined with the resiliency of neoprene. A general purpose gasket and sealing material that has high cork content, minimum side flow. An excellent material for very narrow flange gaskets and for low bolt load applications. For oil, non-aromatic petroleum derivatives, fatty oils, and solvents (except chlorinated, aromatic, or ketone types). Shore AHardness 55 to 70. Temperatures to 275°F. |
Cork and Neoprene Soft (Interface Solutions DC-179)
Same type material as Style 0792, only slightly softer, giving greater compressibility. Shore AHardness 50 to 65. |
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Applications
Gasket is used in industrial transfer, handling, and support operations where reliable product performance and practical sourcing support are required.
Materials Overview
Material selection varies by media, environment, fitting interface, and service conditions. Existing product details above remain the primary source for specifications.
Selection Guidance
Match product configuration to your operating media, routing constraints, connection standards, and maintenance expectations. Use the quote cart to submit project requirements.
Installation and Maintenance Notes
Follow manufacturer handling practices, inspect components before installation, verify connection compatibility, and schedule routine inspections based on your service cycle.
Industries Served
Industrial manufacturing, processing, utilities, construction, transportation, and maintenance operations.
Technical Specifications
| Existing Technical Claim (Verbatim) |
|---|
| 50 (2) Non-Asbestos Gasket Materials Garlock Style 2900 (STYLE 0G2900) Aramid and mineral fiber; nitrile binder. |
| 700° F, Minimum: –40° F, Continuous Maximum: 400° F. |
| 1500 psi (ASTM F152 across grain). |
| 3000 (STYLE 0G3000) Aramid fiber; nitrile binder. |
| 6 ml/hr (ASTM F37B). |
| 2250 psi (ASTM F152 across grain). |
Related Products
FAQ
- How do I select the right Gasket?
- Selection depends on your operating conditions, media, fittings, routing, and service goals. Submit a quote request for application-specific guidance.
- Can I request custom options for Gasket?
- Custom manufacturing and configuration support are available on request. Include project details with your quote cart submission.
- Do you provide volume pricing?
- Bulk and volume pricing are available upon request. Add required quantities to the quote cart for review.
- How quickly can I receive a quote?
- Our team provides fast quote turnaround for standard and custom industrial product requests.
Trust and Support
- Fast quote turnaround
- Custom manufacturing available
- Bulk and volume pricing upon request
- Sales engineer assistance
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