An O-ring is a doughnut-shaped sealing element, typically made from various elastomers like Nitrile, FKM, or Silicone. Its primary function is to block the passage of fluids or gases by creating a secure seal between two mating surfaces. When compressed in a gland, the O-ring's elastic material deforms to fill the gap, preventing leaks. Known for their simplicity, reliability, and cost-effectiveness, O-rings are fundamental components in countless applications. They are essential in hydraulic and pneumatic systems, plumbing, automotive engines, and various industrial machinery. Their effectiveness relies on proper material selection for compatibility with the operating fluid, temperature, and pressure conditions.
Application Range
Mineral hydraulic oils
Fire-resistant liquids
Biocompatible fluids
Water and others
Application
Mobile machinery
Injection presses
Machine tools
Standard cylinders
Injection moulding machines
Sizes
Any size from 2.62mm to unlimited
Any cross section size
No tooling charge (depend on quantity)
Rapid Delivery as short as 1 day
Any commercial rubber material:
-Nitrile/NBR/Buna-N 70&90 Duromater
-Polyurethane/Urethane 70&90 Duromater
-FKM 75&90 Durometer
-EPDM
-Silicone 70 Durometer.
Advantages
Optimal sealing in static and dynamic applications
Low friction coefficient; no stick-slip effect
Excellent abrasion and extrusion resistance
Wide temperature range and excellent chemical resistance.
1.How can you get sample free?
Answer: Sample free to you but your side pay the freight charge.
2.Could I make it according to my structure drawing?
Answer: Of course, we can make from your structure drawing.
3.Why choose Guangdong DEF Seals solutions Co., Ltd ?
1.Professional and reliability.
2.Complete production line, quickly delivery.
3.Advanced equipments, high quality and competitive price.
4.We have a heart like fire.
5.We are ready to serve you all the time.
Hydraulic seals and pneumatic seals are designed as per the cylinder working pressure, cylinder speed, operating temperature, working medium and application.
Hydraulic seals are generally relatively soft, non-metallic rings captured in groove or fixed in a combination of rings, forming a seal assembly, to block or separate fluid in reciprocating motion applications. Hydraulic seals are vital in machinery. Their use is critical in providing a way for fluid power to be converted to linear motion. Not only must the hydraulic seals prevent leakage of fluid from the Cylinder, but hydraulic seals must also withstand high pressures, extreme temperatures and transverse forces within the cylinder. In such applications, the function of Hydraulic Seals goes far beyond preventing fluid leakage.
Hydraulic seals can be made from a variety of materials such as polyurethane, rubber or PTFE. The type of material is determined by the specific operating conditions or limits due to fluid type, pressure, fluid chemical compatibility or temperature.
A static hydraulic seal is located in a groove and sees no movement - only sealing within its confined space, acting like gasket.
A type of dynamic hydraulic seal called a rod seal is exposed to movement on its inner diameter along the shaft or rod of a hydraulic cylinder. A type of dynamic hydraulic seal called a piston seal is exposed to movement on its outer diameter along the tube or bore of a hydraulic cylinder.
A hydraulic seal is used to contain fluids and maintain the hydraulic pressure (piston seal, rod seal, back-up ring), to stop the inlet of impurities and to preserve the lubricating film on the rod (wiper seal) and to resist any deformation under a radial load by guiding the piston and rod (wear ring and guide strip).
DEF Seals has a complete range of hydraulic seals and we can also assist you in creating custom-made seals for linear and static hydraulic applications.
MOQ(Pcs) |
100 |
| FOB |
FOB Shenzhen |
| Method of payment |
T/T (bank account, paypal,western union) |
| Delivery time |
5 to 7 working days, 2 days for in stock |
| Supply ability |
1000000PCS/Month |
| Packaging |
plastic film for inner packaging and cartons for outer packaging |
| Export market |
South Asia, Southest Asia, Europe, South America, North America, Africa, Middle East, Australia |
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