Steam O-Ring Seals - Grainger Industrial Supply

Round Viton O-Rings

Round EPDM O-Rings

Round PTFE O-Rings

Rectangular PTFE O-Rings

Round Viton ETP O-Rings

Round FFKM O-Rings

Round Aflas O-Rings

Round Metric EPDM O-Rings

Round Kalrez 7075 O-Rings

Round Kalrez 6230 O-Rings

Round Kalrez 4079 O-Rings

Round Metric Kalrez 4079 O-Rings

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O-Rings

Available976 products

O-rings help ensure a tight seal to prevent air and fluid leaks in many commercial and industrial applications.

O-Ring Material Compatibility

Viton O-rings resist a wide range of chemicals and high temperatures.


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These O-rings feature Ethylene Propylene Diene Monomer (EPDM) rubber construction. EPDM offers outstanding resistance to weather, heat, and ozone. It is also compatible with ketones, fireproof hydraulic fluids, alkalis, and water.

900 Series O-Rings feature a round cross-section.

Buna N and Viton® O-Rings can be used for sealing valves, faucets, flanges, engines, and more. Each features a round cross-section. Medium-hard.

FDA and NSF61 Compliant O-Rings feature a round cross section and medium hardness. They offer low-temperature flexibility with low gas permeability, and are resistant to ozone, weather, water, steam, diluted acids, and diluted alkalis. Black color. Durometer: 70 Shore A. Temp. range: -65° to 250°F.

PTFE O-Rings each feature a round cross-section design. PTFE operating temp.: -100° to 500°F

PTFE Backup O-Rings are designed to be used in conjunction with standard O-rings to help prevent extrusion in high-pressure applications or where extrusion gaps are excessive. Wherever possible, use a backup ring on each side of the O-ring. Rectangular cross-section features a split for easy installation. Operating temp.: -100° to 500°F Durometer: 55 Shore D.

Viton® ETP O-Rings help provide superior resistance to permeation, extreme temperature, and a wide range of aggressive fluids. For severe environments. Round cross-section. Operating temp.: -10° to 400°F 75 durometer Shore A Black color.

Perfluoroelastomer (FFKM) round O-rings resist harsh chemicals and extreme temperatures. They are used as sealers in aggressive chemical environments. Typical applications include chemical, aerospace, oil and high-vacuum technology industries.

Aflas o-rings are resistant to high temperatures and petrochemicals.

EPDM O-rings (ethylene propylene diene monomer) seal phosphate-based hydraulic fluids in vehicle brake systems. These round O-rings are used with metric sanitary fittings (or aseptic fittings) to resist water, steam, ethanol and ethylene glycol.

Kalrez 7075 round O-rings return to their normal state after being repetitively compressed. These O-rings are durable and withstand hot and cold temperatures and have a glossier finish than other Kalrez models. They are designed for use in the chemical and hydrocarbon processing industries.

Kalrez 6230 is a food- and medical-grade round O-ring useful when high purity is needed. They are made of FDA-listed materials and are 3-A and USP VI certified. Like other Kalrez O-rings, these seals also resist harsh chemicals and extreme temperatures.

Kalrez 4079 O-rings are black, low-compression seals for dry and wet semiconductor process environments. They offer strong chemical resistance and thermal stability.

Kalrez 4079 round O-rings are black, low-compression seals for dry and wet semiconductor process environments. They offer strong chemical resistance and thermal stability. Metric sizing can be calculated by measuring the cross-section, inside diameter, and outside diameter.

Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.

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