Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of automative piston and rod o ring sealing in China, also supports customized service. Please feel free to buy high quality automative piston and rod o ring sealing for sale here from our factory.
Automobile piston and rod O ring sealing is usually achieved using an O-ring. An O-ring is an annular seal made of elastic material (such as rubber) with an annular cross-section. It is used to create a seal between the piston and rod to prevent leakage of liquid or gas.
The seal between the piston and rod is very important because the reciprocating motion of the piston in the car engine creates pressure from high-pressure gas and lubricating oil. Here are some key points about automotive piston and rod O-ring seals:
Construction and Materials
Automotive piston and rod O-rings are usually made of rubber materials with good oil resistance, such as nitrile butadiene rubber (NBR). This material can remain elastic under high temperature and pressure conditions and has good sealing properties.
| ltem | NBR rubber | Test Method |
| Color | black., etc | |
| Specific gravity | 1.3-1.5g/cm3 | ASTM D297 |
| Hardness | 40°-80° Shore A | ASTM D2240 |
| Tensile strength | 13 MPa (min) | ASTM D412 |
| Elongation at break | 250% (min) | ASTM D412 |
| Tear strength | 35 N/mm | ASTM D 624 |
| Low temperature resistance | -25C | ASTM D1329 |
| Temperature range | -25°C to +120°C | ASTM D2000 |
| Normal or custom | ||
Functions and functions
The O-ring forms a sealed annular gap between the piston and rod, preventing leakage of lubricating oil and compressed gas. Its main function is to ensure lubrication and sealing effects during piston movement, preventing gas and liquid from mixing and leaking into areas where they should not enter.
Installation and maintenance
Installing piston and rod O-rings requires some expertise and often requires disassembly and reassembly of the piston and rod assembly. During the installation process, you need to make sure that the O-ring is not damaged and is installed correctly on the piston and rod. In addition, regular inspection and replacement of damaged O-rings are also important measures to maintain sealing effectiveness.
Replacement and precautions
When piston and rod O-rings age, become damaged, or lose their elasticity, they can cause oil and gas leaks, reducing engine performance and efficiency. Therefore, regular replacement of O-rings is one of the key steps to maintain the normal operation of your car's engine.
When replacing O-rings, care needs to be taken to select appropriate specifications and materials, and to ensure correct installation and sealing effect.
In summary, the O-ring seal between the car's piston and rod plays an important role in ensuring lubrication and sealing when the engine is running. Proper installation, regular inspection, and replacement of O-rings are critical steps in maintaining an effective seal between the piston and rod, helping to maintain proper engine performance and life.
Hot Tags: automative piston and rod o ring sealing, China automative piston and rod o ring sealing manufacturers, suppliers, factory, Oil Cap Rubber Sealing Ring, FFKM Rubber O Rings For Semiconductor, Refinery High Temperature Valve Rubber FKM80 Seals, Vacuum Flange Rubber O ring Seal, Automotive Condenser O Ring, Diving Equipment Cylinder Interface Seal
