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Made of Buna-N, these O-rings resist grease, hydraulic oil, and motor oil—plus mild chemicals and water.
Softer than standard Buna-N O-rings for a better seal in low-pressure applications.
These hard O-rings offer better wear resistance than standard Buna-N O-rings.
When you need an O-ring that’s not an industry standard size, we can make one to fit your requirements. These resist grease, hydraulic oils, and motor oil.
Also known as Boss O-rings, these hard O-rings are for use in tube fittings with a straight-thread connection.
With flat edges on all four sides, square-profile O-rings cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.
Also known as Quattro Seals and X-rings, these X-profile O-rings have four points of contact for a better seal in dynamic applications than round-profile O-rings. They also require less compression to make a seal, so they offer a longer service life.
These O-rings have eight points of contact for a better seal in dynamic applications than X-profile O-rings, plus they have eight grooves that hold lubricant to reduce friction and wear for a longer service life.
Choose these O-rings for their adherence to strict military standards for material and construction.
These Buna-N O-rings are made and bagged in an ISO Class 7 (Fed. Std. 10,000) clean room.
If these O-rings deteriorate, they can be picked up by metal detection systems.
Softer than standard Viton® fluoroelastomer O-rings, these offer a better seal in low-pressure applications.
Rigid and hard with a slippery surface, these PTFE O-rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and boric acid.
The FEP casing on these O-rings provides the same level of resistance to harsh chemicals as PTFE O-rings, but the core material is soft to make these O-rings more compressible.
Unlike silicone, the Viton® fluoroelastomer core will continue to ward of chemicals should the FEP casing wear away.
Inherently softer and more compressible than PTFE O-rings, these Kalrez 4079 O-rings have comparable chemical resistance.
Made of Kalrez 6230, these O-rings are for use when high purity is essential, such as with food and semiconductors.
Able to bounce back after repeated compression, these Kalrez 7075 O-rings last longer than other Kalrez O-rings when exposed to repeated heating/cooling cycles.
Also known as Boss O-rings, these Kalrez 4079 O-rings are for use in tube fittings with a straight-thread connection. They’re inherently softer and more compressible than PTFE O-rings with comparable chemical resistance.
Kalrez 6375 O-rings are preferred over Kalrez 4079 for chemical-processing environments and applications involving steam.
While these Aflas O-rings are commonly used with petroleum fluids, they also resist many chemicals, such as ammonia, calcium hydroxide, and acetic, boric, and phosphoric acids.
Able to withstand temperatures up to 400° F, these O-rings are softer than standard silicone O-rings for a better seal in low-pressure applications.
These silicone O-rings withstand temperatures up to 400° F or 450° F.
When you need an O-ring that’s not an industry standard size, we can make one to fit your requirements. These O-rings withstand temperatures up to 450° F.
These square-profile O-rings have flat edges on all four sides, so they cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.
Made and bagged in an ISO Class 7 (Fed. Std. Class 10,000) clean room, these are the highest purity high-temperature O-rings we offer.
These O-rings also resist ethanol and ethylene glycol.
These O-rings withstand higher temperatures than standard EPDM O-rings.
When you need an O-ring that’s not an industry standard size, we can make one to fit your requirements.
Made of FDA-listed material for use with food and beverage.
Also known as Boss O-rings, these O-rings are for use in tube fittings with a straight-thread connection.
These O-rings also resist ammonia, ethylene glycol, and isopropyl alcohol.
This cord stock is softer and creates a better seal in low-pressure applications than standard Buna-N cord stock.
This square-profile cord stock has flat edges on all four sides, which creates a better seal than round profile in static applications, such as hose, pipe, and faucet connections.
The X shape of this cord stock provides four points of contact for a better seal in dynamic applications than round profile. It also requires less compression to make a seal, so it offers a longer service life.
More chemical resistant than standard Viton® fluoroelastomer, this cord stock is made of Grade ETP Viton® fluoroelastomer. It resists harsh chemicals, such as calcium hydroxide, methyl ethyl ketone (MEK), and nitric and phosphoric acids.
Use neoprene cord stock to make O-rings for applications that come into contact with water.
In addition to water and steam, this EPDM cord stock resists diluted salt solutions, ethanol, and isopropyl alcohol.
This cord stock is softer and creates a better seal than standard silicone cord stock in low-pressure applications up to 400° F.
These O-rings are harder than standard Buna-N O-rings for better resistance to wear.
These U-cup seals create less friction than O-ring-loaded U-cups, so they wear more slowly. Also known as lip seals, U-cups have a sealing lip on both the inside and outside edges, so they can be used for rod and piston sealing.
Also known as loaded-lip seals and PolyPaks, an O-ring secures these U-cups to the rod or piston for better sealing performance at lower pressures than unsupported U-cup seals.
Also known as Type B seals, these U-cups are wider than our other O-ring-loaded U-cup seals for better stability and fit in wider grooves.
In addition to providing excellent sealing performance at low pressure, these seals withstand a wider range of temperatures and chemicals than U-cup seals. They’re also known as spring-energized seals.
The slippery PTFE surface of these seals allows rod motion up to seven times faster than our other rod seals.
PTFE gives these seals a slippery surface that facilitates rod speeds over seven times faster than our other buffering seals. They're rated for pressure up to 5,000 psi.
For use in air-powered cylinders, these seals prevent the piston from slamming against the cylinder body to minimize wear and noise.
PTFE gives these seals a slippery surface that allows rod speeds more than two times faster than our other piston seals.
A square O-ring prevents these piston seals from rocking in the groove.
These Buna-N seals are reinforced with cotton thread for strength.
Rated for pressure up to 10,000 psi, these seals withstand the highest pressure of our piston seals.
A two-lip design means that these wipers also function as a rod seal.
These rod wipers are also known as U-type wipers.
Made from MDS-filled PTFE for a slippery surface, these wipers allow rods to move three times faster than other rod wipers.
Made from PTFE, these wear rings have a slippery surface that allows rods to move at least three times faster than nylon wear rings.
Made from glass-filled nylon for excellent wear resistance and strength.
An extended spring on these seals accommodates variations in seal cavity length and pump misalignment.
With a smaller seal OD than standards seals, these seals have an extended spring that accommodates variations in seal cavity length.
PTFE has excellent chemical resistance and withstands a wide temperature range of -110° F to 500° F.