Active Member
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[China]
Address: Changfeng Filter Element Material Factory, No. 5, Filter Material City, Anping County, Hengshui City, Hebei Province, China
Contact name:Anni
Anping Changfeng filter material factory |
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O-ring is a kind of rubber sealing ring with a circular cross-section. Because its cross-section is O-shaped, it is called O-ring rubber sealing ring, also called O-ring. It began to appear in the mid-19th century, when it was used as a sealing element for steam engine cylinders. O-rings are the most common mechanical design for seals because of their low cost, simplicity of manufacture, reliable function, and simple installation requirements. O-rings are subjected to pressures of tens of megapascals (kilo pounds). O-rings can be used in static applications as well as in dynamic applications where there is relative movement between components, such as shafts of rotary pumps and pistons of hydraulic cylinders.
Rubber material | Letter abbreviation | hardness | temperature | Attributes |
| Nitrile rubber | NBR | standard 70° customizable 40°~90° | Limit temperature -40°~120℃ | Oil resistant wear resistant |
| Viton | FKM/VITON | standard 75° customizable 50°~90° | Limit temperature -40°~240℃ | High temperature resistant Oil resistant Chemical resistance |
Silica gel | SIL/VMQ | standard 70°OR60° customizable 40°~90° | Limit temperature -60°~250℃ | High temperature resistant Low temperature resistant Avirulent insipidity Food grade |
| EPDM | EPDM | standard 70° customizable 40°~90° | Limit temperature -40°~150℃ | Strong acid and alkali resistance Resistant to 150° steam anti-aging Resistance to ozone |
Hydrogenated nitrile | HNBR | standard 70° customizable 40°~90° | Limit temperature -40°~150℃ | Wear oil resistantResistance to cold media Polar-resistant solvent The deformation resistance |
| Chlorosilicone rubber | CR | standard 70° customizable 40°~90° | Limit temperature -40°~120℃ | Ozone resistant Weather resistance Chemical resistance Anti-aging |
| Fluorosilicone rubber | FVMQ | standard 70° customizable 45°~70° | Limit temperature -60°~177℃ | Oil resistance, acid and alkali resistance Heat resistance, cold resistance, high voltage resistance,
atmospheric aging resistance, hydrocarbon solvent resistance |
| Perfluoroether rubber | FFKM | standard 75° customizable 50°~90° | conventional 250℃ Special formula 320°~330℃ | Very excellent performance, can almost be used in all kinds of bad
conditions, PTFE as excellent high temperature resistance, chemical resistance, corrosion resistance, can resist all kinds of
solvents, while having the elasticity of rubber |
| PTFE | PTFE/F4 | Generally 55°~65° | Generally -80°~260℃ Reachable -190°~260℃ | Corrosion resistance, wear resistance, high temperature resistance,
low temperature resistance, aging resistance, high pressure resistance, organic solvents (almost insoluble in all organic
solvents) |
1. The sealing ring should have good sealing performance within the
working pressure and a certain temperature range, and can
automatically improve the sealing performance with the increase of
pressure.
2. The friction between the sealing ring device and the moving
parts should be small, and the friction coefficient should be
stable.
3. The sealing ring has strong corrosion resistance, not easy to
age, long working life, good wear resistance, and can automatically
compensate to a certain extent after wear.
4. The structure is simple, the use and maintenance are convenient,
and the sealing ring has a longer life.
1. Quick response in 12 hours
2.Reliable imported raw material
3.Strict analysis and testings on raw material before production
4. Assistance from first idea through prototype
5.First prototype inspection after mould and before volume
production
6.Quick delivery of prototypes or production needs
7.Design assistance and parts consolidation
8.In-house mold design (Insert, polyurethane, urethane molding)
9.In-house formulations to provide the best possible urethane for
your application
10. Low-cost tooling
11.Over 20 years of in-house experience
12.Reliable after-sales service and support
Put the sponge cover on the split ends, and evenly apply about 0.5mm of grease on the inner circumference. After removing the sponge sheath, apply a special adhesive to the section mold under the split. The butt split surface is pressed tightly and held for 10 to 20 seconds.
