Back-up Rings (86 companies)
Back-up rings or anti-extrusion rings are washer-like devices used to prevent seals from extruding through gaps while under pressure. Seals are installed in the downstream side of the gland.
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Bearing Isolators (45 companies)
Bearing isolators are dynamic seals designed to protect bearings from outside contaminants.  They are comprised of a rotor (rotating) and stator (stationary) member.
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Bonded Seals (35 companies)
Bonded seals are metal washers with a rubber insert bonded to the inside diameter for use in high pressure applications. Learn more about Bonded Seals

Compression Packing Seals (243 companies)
Compression packing seals or gland seals are deformable materials used to prevent or control the leakage of fluid between surfaces that move in relation to each other.
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Diaphragm Seals (96 companies)
Diaphragm seals are isolation devices that separate a pressure instrument from the process media.
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Diaphragms (27 companies)
Diaphragms are flexible sealing element components that are used in pump, valve, and diaphragm seal applications. They provide a barrier between two chambers. Learn more about Diaphragms

Dynamic Seals (518 companies)
Dynamic seals include oil seals, hydraulic and pneumatic seals, exclusion seals, labyrinth seals, bearing isolators, and piston rings. They create a barrier between moving and stationary surfaces in applications such as rotating shafts and pistons rings.  This is a general search form; more detailed search forms are available.
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Exclusion Seals (105 companies)
Exclusion seals are comprised of wipers, scrapers and V-ring seals.
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Expansion Joints (383 companies)
Expansion joints connect two fixed assemblies or pipes and provide allowance for movement due to service load, shock, or thermal cycles.
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Gaskets and Gasketing (1061 companies)
Gaskets are used to prevent fluid or gas leaks by providing a barrier between two mating surfaces.
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Hermetic Seals (48 companies)
Hermetic seals provide a vacuum or leak tight seal such as a brazed glass-to-metal seal. Learn more about Hermetic Seals

Hydraulic Seals and Pneumatic Seals (204 companies)
Hydraulic seals and pneumatic seals include piston seals, rod seals, U-cups, vee, cup, and flange packings.
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Inflatable Seals (18 companies)
Inflatable seals are elastomeric tubes designed to round out with the introduction of a medium (usually air) to form an tight barrier between a mounting and striking surface. Learn more about Inflatable Seals

Mechanical Seals (263 companies)
Mechanical seals including mechanical face seals, bellows, gas seals, and cartridge seals.
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Metal Bellows (97 companies)
Metal bellows perform a number of tasks including sealing environments, carrying gases, liquids and slurry, and mechanically coupling for electrical contact.
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Metal Ring Seals (66 companies)
Metal ring seals are static devices that can withstand high operating temperatures, pressures, and vacuums. They can also withstand cryogenic conditions and high face-to-face cycling.
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Oil Seals and Grease Seals (279 companies)
Oil seals and grease seals have a flexible lip that rubs against a shaft or housing to prevent the leakage or ingress of fluids and dirt.
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O-rings (556 companies)
O-rings are solid-rubber seals that are shaped like a doughnut. When pressed between two mating surfaces,  O-rings block the passage of liquids or gases.
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Piston Rings (74 companies)
Piston rings are used for sealing cylinders. They can work at higher temperatures than elastomeric, fabric, or polymer seals. Learn more about Piston Rings

Specialty Seals (205 companies)
Specialty or proprietary products and accessories related to seals and sealing. Learn more about Specialty Seals

Solid Elastomeric Rings (66 companies)
Solid elastomeric rings are compression seals of differing cross sections. Some examples are X or multiple rings, rectangular rings, tetraseals, trapezoid rings, T-section rings, delta rings, D-rings, H-rings, heart rings, and diamond rings. Learn more about Solid Elastomeric Rings