Mechanical devices used in static or dynamic applications to separate two liquids or gasses or prevent the ingress of contamination.
Accordion Bellows and Protective Boots (129 suppliers)
Accordion bellows and protective boots are convoluted, expandable, fabric or elastomer components used to protect screws, shafts, slide ways and other components from liquid, chips, dirt and other debris.
Search by Specification | Learn more about Accordion Bellows and Protective Boots
Back-up Rings (113 suppliers)
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.
Search by Specification | Learn more about Back-up Rings
Bearing Isolators (45 suppliers)
Bearing isolators are dynamic seals designed to protect bearings from outside contaminants. They are comprised of a rotor (rotating) and stator (stationary) member.
Search by Specification | Learn more about Bearing Isolators
Bonded Seals (59 suppliers)
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
Brush Seals (19 suppliers)
Brush seals are used as a barrier against flying debris and liquid. They are also used to reduce or block the infiltration of light or air flow.
Learn more about Brush Seals
Caps, Grips, and Closures (408 suppliers)
Grips, caps and closures are protective devices for the ends of a shaft, tube, pipe, fitting, connector, screw, bar, or other shape. They can also be used to provide a hand grip or hanger tip.
Search by Specification | Learn more about Caps, Grips, and Closures
Compression Packing Seals (261 suppliers)
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.
Search by Specification | Learn more about Compression Packing Seals
Conical and Telescopic Screw Covers (11 suppliers)
Conical and telescopic screw covers are used to protect ball, acme and lead screws from contaminants.
Learn more about Conical and Telescopic Screw Covers
Diaphragm Seals (102 suppliers)
Diaphragms (73 suppliers)
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
Die Cutting Services (543 suppliers)
Dynamic Seals (654 suppliers)
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.
Search by Specification | Learn more about Dynamic Seals
Edge Trims and Trim Seals (68 suppliers)
Electrical Connector Bases and Covers (116 suppliers)
Electrical connector bases and covers are designed to provide mechanical protection for electrical connectors. They are available in many shapes and sizes to accommodate different types of electrical connections.
Search by Specification | Learn more about Electrical Connector Bases and Covers
Exclusion Seals (129 suppliers)
Filler Caps and Fuel Caps (28 suppliers)
Filler caps and fuel caps seal filling ports in tanks and reservoirs holding liquids or granular media. Filler caps and fuel caps prevent the ingress of foreign materials into and the leakage of fuel or media from the reservoir.
Learn more about Filler Caps and Fuel Caps
Flange Protectors (17 suppliers)
Flange protectors are designed to protect flanges from damage during shipping, or from exposure to corrosive elements.
Learn more about Flange Protectors
Flexible Expansion Joints (437 suppliers)
Expansion joints connect two fixed assemblies or pipes and provide allowance for movement due to service load, shock, or thermal cycles.
Search by Specification | Learn more about Flexible Expansion Joints
Gaskets and Gasketing (1,306 suppliers)
Hermetic Sealing Services (52 suppliers)
Hydraulic Seals and Pneumatic Seals (288 suppliers)
Hydraulic seals and pneumatic seals include piston seals, rod seals, U-cups, vee, cup, and flange packings.
Search by Specification | Learn more about Hydraulic Seals and Pneumatic Seals
Inflatable Seals (29 suppliers)
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
Labyrinth Seals and Clearance Seals (23 suppliers)
Labyrinth seals and clearance seals are minimum-leakage seals that protect machine elements from contamination through a noncontact method. They operate on the principle of positive clearance and do not rub on shafts or housing.
Search by Specification | Learn more about Labyrinth Seals and Clearance Seals
Machine Way Wipers (44 suppliers)
Machine way wipers provide a seal between a machine slide or way and a stationary surface.
Learn more about Machine Way Wipers
Mechanical Seals (342 suppliers)
Metal Bellows (149 suppliers)
Metal bellows perform a number of tasks including sealing environments, carrying gases, liquids and slurry, and mechanically coupling for electrical contact.
Search by Specification | Learn more about Metal Bellows
Metal Ring Seals (80 suppliers)
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.
Search by Specification | Learn more about Metal Ring Seals
Oil Seals and Grease Seals (333 suppliers)
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.
Search by Specification | Learn more about Oil Seals and Grease Seals
O-rings (725 suppliers)
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.
Search by Specification | Learn more about O-rings
Packer Elements (19 suppliers)
Packer elements are down-hole sealing elements used to isolate sections in oil and gas drilling applications.
Learn more about Packer Elements
Piston Rings (107 suppliers)
Plugs, Stoppers, and Inserts (332 suppliers)
Plugs, stoppers and inserts fit into holes or cavities and are designed for the ends of shafts, tubes, pipes, fittings, connectors, screws, bars, or other shapes.
Search by Specification | Learn more about Plugs, Stoppers, and Inserts
Sealing Glands (63 suppliers)
Sealing glands are fittings that allow tubes, process pipes, cable or any single element assembly to be sealed in pressure / vacuum applications by use of a compression seal.
Search by Specification | Learn more about Sealing Glands
Solid Elastomeric Rings (109 suppliers)
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
Switch Sealing Boots (49 suppliers)
Switch sealing boots protect switches from contaminants such as dirt, dust, gas, and liquids. They are generally tough, pliable silicone rubber devices for toggle, pushbutton, rocker, and rotary switches.
Search by Specification | Learn more about Switch Sealing Boots
V-ring Seals (42 suppliers)
V-ring seals are all-rubber seals used primarily to exclude dirt and other contaminants. They are stretched over shafts and seal against the side of housing or another machine component.
Search by Specification | Learn more about V-ring Seals
Waterstops (14 suppliers)
Waterstops are static seals used between joints in concrete structures to prevent the passage of water or other fluids.
Learn more about Waterstops
Way Covers and Shields (27 suppliers)
Way covers and way shields are machine tool accessories used to protect the rail or way of a machine from contamination and abrasive cuttings. Way covers come in two common styles: bellows type and telescoping type.
Learn more about Way Covers and Shields