Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of pressure ring piston seal in China, also supports customized service. Please feel free to buy high quality pressure ring piston seal for sale here from our factory.
Pressure Ring Piston Seal Description
Pressure ring piston seal is a sealing device commonly used in hydraulic and pneumatic systems to prevent liquid or gas from leaking from between the piston and cylinder.
Structure and working principle
Pressure ring piston seal usually consists of metal pressure ring and elastic O-ring.
The metal pressure ring is an annular part installed on the piston and in contact with the cylinder wall. Through compression, it forms a certain sealing contact with the cylinder wall to prevent liquid or gas leakage.
The elastic O-ring is located inside the metal pressure ring to seal and prevent dust. It provides a seal between the metal pressure ring and the cylinder wall and maintains pressure.
Technical data
Material：EPDM
|
property
|
unit
|
test method
|
test parameter
|
value
|
|
hardness
|
IRHD
|
ASTM D 1415
|
70 ±5
|
|
|
tensile strength
|
MPa
|
ASTM D 412
|
12,5
|
|
|
ultimate elongation
|
%
|
ASTM D 412
|
215
|
|
|
compression set
|
%
|
ASTM D 395 B
|
22h / 150°C
|
19
|
|
specific gravity
|
g/cm3
|
ASTM D 297
|
1,08
|
|
|
low temp. resistance
|
°C
|
ASTM D 2137
|
brittleness
no cracks
after 3 min. at
|
-55
|
|
low temp. resistance
|
°C
|
ASTM D 1329
|
TR10
|
-48,5
|
Features and Benefits
High sealing performance: The compression ring piston seal has good sealing performance through the metal compression effect and the sealing effect of the elastic O-ring, effectively preventing liquid or gas leakage.
Wear resistance: Metal pressure rings are usually made of high hardness and wear-resistant materials, which can maintain good durability under high friction conditions.
High pressure resistance: The pressure ring piston seal can withstand high pressure and is suitable for high-pressure hydraulic and pneumatic systems.
Strong adaptability: The pressure ring piston seal can adapt to different working media, including liquids and gases, and can adapt to different operating temperature ranges.
Application areas
Pressure ring piston seals are widely used in piston pumps, piston cylinders, cylinders and other equipment in hydraulic and pneumatic systems.
They are commonly found in hydraulic and pneumatic equipment in industrial automation, machine manufacturing, automotive industry, aerospace and other fields.
Sizes and customization:
The size of the pressure ring piston seal can be customized according to the specific application needs to accommodate different piston and cylinder size requirements.
Common sizes range from a few millimeters to tens of centimeters, which can meet various sealing needs of different sizes.
To install the pressure ring piston rubber ring, follow these steps:
Preparation
Make sure the work area is clean and lubricated:
Steps to install pressure ring piston rubber ring
Align the opening of the compression ring piston rubber ring with the end of the piston, making sure the inside face of the ring faces the center of the piston.
Using your fingers or a suitable tool, gently push the rubber ring into the piston groove, bit by bit. Make sure to push the ring in evenly to avoid twisting or damaging the ring.
Be careful not to overstretch or deform the rubber ring to avoid affecting its sealing performance.
Check installation
After installation, check whether the rubber ring is evenly installed in the piston groove and make sure it does not have any misalignment or damage.
Make sure there is proper contact between the rubber ring and the piston groove and cylinder wall to ensure a good sealing effect.
Please note that installing pressure ring piston rubber rings may require some experience and skill. If you are unsure about the operation, it is recommended to consult the Linde polymer factory.
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