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About O-Rings
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Ultra-Chemical-Resistant PTFE
Gaskets for Quick-Clamp Tube Fittings
Made of PTFE, these gaskets are chemically inert (except to molten alkali metal and elemental fluorine). They ensure a tight seal in quick-clamp stainless steel sanitary tube fittings.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | ID | OD | Thick. | Temperature Range, °F | Color | Specifications Met | Each | |
| 1/2" | 0.38" | 0.86" | 0.178" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 00000 |
| 3/4" | 0.62" | 0.86" | 0.178" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 1" | 0.90" | 1.98" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 1 1/2" | 1.40" | 1.98" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 2" | 1.90" | 2.52" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 2 1/2" | 2.40" | 3.05" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 3" | 2.90" | 3.58" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 4" | 3.87" | 4.68" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 6" | 5.82" | 6.51" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 00000 |
| 8" | 7.78" | 8.67" | 0.205" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 00000 |
| 10" | 9.77" | 10.66" | 0.205" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 00000 |
| 12" | 11.73" | 12.66" | 0.205" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 000000 |
EPDM-Filled Ultra-Chemical-Resistant PTFE
Gaskets for Quick-Clamp Tube Fittings
Made from PTFE with an EPDM core, these gaskets have added resiliency resulting in a longer product life. They are chemically inert (except to molten alkali metal and elemental fluorine) and ensure a tight seal in quick-clamp stainless steel sanitary tube fittings.
| For Tube OD | ID | OD | Thick. | Temperature Range, °F | Color | Specifications Met | Each | |
| 1/2" | 0.38" | 0.86" | 0.185" | -30° to 300° | White | FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
| 3/4" | 0.63" | 0.86" | 0.185" | -30° to 300° | White | FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
| 1" | 0.90" | 1.98" | 0.185" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
| 1 1/2" | 1.40" | 1.98" | 0.185" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
| 2" | 1.90" | 2.52" | 0.185" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
| 2 1/2" | 2.40" | 3.05" | 0.185" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
| 3" | 2.90" | 3.58" | 0.185" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
| 4" | 3.87" | 4.68" | 0.185" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
| 6" | 5.79" | 6.57" | 0.185" | -30° to 300° | White | FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
| 8" | 7.78" | 8.56" | 0.185" | -30° to 300° | White | FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
| 10" | 9.77" | 10.66" | 0.185" | -30° to 300° | White | FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 000000 |
| 12" | 11.81" | 12.56" | 0.185" | -30° to 300° | White | FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 000000 |
Ultra-Chemical-Resistant Metal-Detector-Grade
PTFE Gaskets for Quick-Clamp Tube Fittings
If a piece wears off, fragments as small as 1 mm can be picked up by a metal-detection system to prevent contamination of your process line. These gaskets are made from a blend of PTFE and stainless steel, which is chemically inert (except to molten alkali metal and elemental fluorine). The construction also allows them to maintain their strength in steam and hot oil applications.
| For Tube OD | ID | OD | Thick. | Temperature Range, °F | Color | Each | |
| 1/2" | 0.38" | 0.86" | 0.178" | -325° to 550° | Gray | 0000000 | 00000 |
| 3/4" | 0.62" | 0.86" | 0.178" | -325° to 550° | Gray | 0000000 | 0000 |
| 1" | 0.9" | 1.98" | 0.203" | -325° to 550° | Gray | 0000000 | 00000 |
| 1 1/2" | 1.4" | 1.98" | 0.203" | -325° to 550° | Gray | 0000000 | 00000 |
| 2" | 1.9" | 2.52" | 0.203" | -325° to 550° | Gray | 0000000 | 00000 |
| 2 1/2" | 2.4" | 3.05" | 0.203" | -325° to 550° | Gray | 0000000 | 00000 |
| 3" | 2.9" | 3.58" | 0.203" | -325° to 550° | Gray | 0000000 | 00000 |
| 4" | 3.87" | 4.68" | 0.203" | -325° to 550° | Gray | 0000000 | 00000 |
| 6" | 5.82" | 6.51" | 0.203" | -325° to 550° | Gray | 0000000 | 00000 |
| 8" | 7.77" | 8.57" | 0.203" | -325° to 550° | Gray | 0000000 | 00000 |
| 10" | 9.7" | 10.56" | 0.203" | -325° to 550° | Gray | 0000000 | 000000 |
| 12" | 11.73" | 12.56" | 0.203" | -325° to 550° | Gray | 0000000 | 000000 |
Ultra-Chemical-Resistant PTFE Gaskets
with Screen for Quick-Clamp Tube Fittings
Offering excellent resistance to detergents, hydraulic fluid, and salts, these PTFE gaskets have a corrosion-resistant 316 stainless steel screen to provide inline straining. They also have good resistance to most acids and alkalies. Use them to ensure a tight seal in quick-clamp stainless steel sanitary tube fittings. The mesh size indicates the number of openings on the screen per square inch.
| For Tube OD | ID | OD | Thick. | Temperature Range, °F | Color | Specifications Met | Choose a Mesh Size | Each | |
| 1/2" | 0.38" | 0.86" | 0.205" | -100° to 500° | White | 3-A Certified 62-02, FDA 21 CFR 177.2600 | 0000000 | 0000000 | |
| 3/4" | 0.62" | 0.86" | 0.205" | -100° to 500° | White | 3-A Certified 62-02, FDA 21 CFR 177.2600 | 0000000 | 000000 | |
| 1" | 0.90" | 1.98" | 0.205" | -100° to 500° | White | 3-A Certified 62-02, FDA 21 CFR 177.2600 | 0000000 | 000000 | |
| 1 1/2" | 1.40" | 1.98" | 0.205" | -100° to 500° | White | 3-A Certified 62-02, FDA 21 CFR 177.2600 | 0000000 | 000000 | |
| 2" | 1.90" | 2.52" | 0.205" | -100° to 500° | White | 3-A Certified 62-02, FDA 21 CFR 177.2600 | 0000000 | 000000 | |
| 2 1/2" | 2.40" | 3.05" | 0.205" | -100° to 500° | White | 3-A Certified 62-02, FDA 21 CFR 177.2600 | 0000000 | 000000 | |
| 3" | 2.90" | 3.58" | 0.205" | -100° to 500° | White | 3-A Certified 62-02, FDA 21 CFR 177.2600 | 0000000 | 000000 | |
| 4" | 3.87" | 4.68" | 0.205" | -100° to 500° | White | 3-A Certified 62-02, FDA 21 CFR 177.2600 | 0000000 | 000000 |
Ultra-Chemical-Resistant Clean Room PTFE
Gaskets for Quick-Clamp Tube Fittings
These gaskets meet Class 10,000 clean room requirements. They ensure a tight seal in quick-clamp stainless steel sanitary tube fittings. Made from PTFE, they are chemically inert (except to molten alkali metal and elemental fluorine).
| For Tube OD | ID | OD | Thick. | Temperature Range, °F | Color | Environmental Rating | Specifications Met | Each | |
| 1/2" | 0.380" | 0.860" | 0.178" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 000000 |
| 3/4" | 0.620" | 0.860" | 0.178" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 1" | 0.900" | 1.980" | 0.203" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 0000 |
| 1 1/2" | 1.400" | 1.980" | 0.203" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 0000 |
| 2" | 1.900" | 2.520" | 0.203" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 0000 |
| 2 1/2" | 2.400" | 3.050" | 0.203" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 3" | 2.900" | 3.580" | 0.203" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 4" | 3.870" | 4.680" | 0.203" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 6" | 5.820" | 6.510" | 0.203" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 8" | 7.780" | 8.670" | 0.205" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 10" | 9.770" | 10.660" | 0.205" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 000000 |
| 12" | 11.730" | 12.660" | 0.205" | -100° to 500° | White | Class 10,000 (Fed. Std.); Class 7 (ISO) | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 0000000 | 000000 |
Chemical-Resistant PTFE Gaskets for Gasket Tube Fittings
These gaskets are made of PTFE, which is chemically inert (except to molten alkali metal and elemental fluorine). Use them to seal gasket tube fittings for stainless steel tubing. They’re 3-A certified to meet industry approved sanitary design standards.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | ID | OD | Thick. | Temp. Range, ° F | Color | Specifications Met | Each | |
| 1" | 0.900" | 1.325" | 0.3" | -100° to 500° | White | 3-A Certified 20-27 | 0000000 | 00000 |
| 1 1/2" | 1 3/8" | 1 7/8" | 0.33" | -100° to 500° | White | 3-A Certified 20-27 | 0000000 | 0000 |
| 2" | 1.850" | 2 3/8" | 0.35" | -100° to 500° | White | 3-A Certified 20-27 | 0000000 | 0000 |
| 2 1/2" | 2.340" | 2.950" | 0.35" | -100° to 500° | White | 3-A Certified 20-27 | 0000000 | 0000 |
| 3" | 2 7/8" | 3.475" | 0.35" | -100° to 500° | White | 3-A Certified 20-27 | 0000000 | 0000 |
| 4" | 3.700" | 4 1/2" | 0.33" | -100° to 500° | White | 3-A Certified 20-27 | 0000000 | 0000 |
Ultra-Chemical-Resistant Metal-Detectable
PTFE Gaskets for Gasket Tube Fittings
Made from a blend of PTFE and 316 stainless steel, these gaskets stand up to the harsh chemicals and high pressures and temperatures used in sanitary processes. They’ll set off metal detectors if any part of them falls into your line, so you can stop contaminated material from leaving your facility. This helps you comply with Hazard Analysis and Critical Control Point (HACCP) programs. Use these gaskets with high-polish gasket fittings (also called bevel seat fittings) for a more secure seal than quick-clamp sanitary tube fittings.
These gaskets are more durable and last longer than standard PTFE seals. Hot oil, steam, and harsh cleaners won’t warp or deform them, preventing leaks. They’re also chemically inert, so they won’t contaminate your line by absorbing and leaching substances, unless you use molten alkali metal or elemental fluorine. Use them where purity is necessary, such as in food, pharmaceutical, or biotech facilities.
With an extremely smooth interior, these gaskets are easy to clean and leave minimal places for bacteria to grow. To minimize safety risks, they are Animal Derived Ingredient (ADI) free, meaning they’re made without animal products, and are FDA compliant for direct contact with food. Meeting the highest sanitary design standards, these gaskets are 3-A and USP VI certified. They’re also tested to USP 87 standards, which are created by the United States Pharmacopoeia (USP) for safety in biological applications.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | ID | OD | Thick. | Temp. Range, °F | Color | Specifications Met | Each | |
| 1" | 0.900" | 1.325" | 0.32" | -350° to 550° | Gray | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550, USP VI Certified | 0000000 | 00000 |
| 1 1/2" | 1 3/8" | 1 7/8" | 0.32" | -350° to 550° | Gray | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550, USP VI Certified | 0000000 | 00000 |
| 2" | 1.850" | 2 3/8" | 0.32" | -350° to 550° | Gray | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550, USP VI Certified | 0000000 | 00000 |
| 2 1/2" | 2.340" | 2.950" | 0.32" | -350° to 550° | Gray | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550, USP VI Certified | 0000000 | 00000 |
| 3" | 2 7/8" | 3.475" | 0.32" | -350° to 550° | Gray | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550, USP VI Certified | 0000000 | 00000 |
| 4" | 3.700" | 4 1/2" | 0.32" | -350° to 550° | Gray | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550, USP VI Certified | 0000000 | 00000 |
Ultra-Chemical-Resistant Rigid PTFE O-Rings
for High-Polish Metal Sanitary Tube Fittings
Pair these O-rings with metric sanitary fittings, which are commonly known as aseptic fittings. Made of PTFE, they’re rigid with a slippery surface and resist harsh chemicals such as acetone, fluorinated solvents, methanol, and boric acid. They’re 3-A certified to meet sanitary design standards. They have a round profile and are good for a wide range of static and dynamic sealing applications.
For technical drawings and 3-D models, click on a part number.
| For Tube OD, mm | Width, mm | ID, mm | OD, mm | Specifications Met | Temperature Range, °F | Color | Each | |
| 10 | 3.500 | 12.000 | 19.000 | 3-A Certified 18-00 | 32° to 280° | White | 0000000 | 000000 |
| 15 | 3.500 | 18.000 | 25.000 | 3-A Certified 18-00 | 32° to 280° | White | 0000000 | 00000 |
| 20 | 3.500 | 22.000 | 29.000 | 3-A Certified 18-00 | 32° to 280° | White | 0000000 | 00000 |
| 25 | 3.500 | 28.000 | 35.000 | 3-A Certified 18-00 | 32° to 280° | White | 0000000 | 00000 |
| 32 | 5.000 | 34.000 | 44.000 | 3-A Certified 18-00 | 32° to 280° | White | 0000000 | 00000 |
| 40 | 5.000 | 40.000 | 50.000 | 3-A Certified 18-00 | 32° to 280° | White | 0000000 | 00000 |
| 50 | 5.000 | 52.000 | 62.000 | 3-A Certified 18-00 | 32° to 280° | White | 0000000 | 00000 |
| 65 | 5.000 | 68.000 | 78.000 | 3-A Certified 18-00 | 32° to 280° | White | 0000000 | 00000 |
| 80 | 5.000 | 83.000 | 93.000 | 3-A Certified 18-00 | 32° to 280° | White | 0000000 | 00000 |
| 100 | 5.000 | 102.000 | 112.000 | 3-A Certified 18-00 | 32° to 280° | White | 0000000 | 00000 |