Piston Seal Ring SPGW
Model: SPGW
Temperature: -40/+160℃
Speed: ≤1.5m/s
Pressure: ≤50MPa
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Product Introduction
Description
Piston seal SPGW is a high performance double acting compact piston seal consisting of a PTFE piston-seal friction ring, a profiled pre-loaded NBR elastomer and two POM back up rings. It is suitable for a wide range of PTFE materials, the most common being bronze, MoS2, or carbon are the most commonly used for fluid power service, other high-performance materials are also available to suit your needs. The most commonly used energizer is the NBR Shore 80A.
When used in a variety of fluids and high temperatures, it is suitable for wider piston spacing. By stacking, the SPGW compact seals form a compact structure and excellent performance, mounted in a single piston groove.
Its geometry gives it overall stability, wear resistance, tightness, low friction and long life without maintenance. Due to the initial shrinkage range set, the seal has good sealing properties at low pressure.
When the pressure is raised, the sealing performance remains good because the elastomer exerts a stress on the combined seal ring, thereby converting the axial force from system pressure to radial compression. Suitable for overloaded nylon shielding rings. Designed to protect seals from crushing damage, it meets the requirements of a wide range of hydraulic cylinders.
Slide Ring Material | PTFE Filled Bronze, Carbon, MoS2, Graphite, Glass Fiber, Ekonol, Polyimide, etc. |
Slide Ring Color | Black,Green,Coffee,Yellow etc. |
Elastomer Material | NBR or FKM |
Elastomer Color | Black or Brown |
Back Up Ring Material | POM |
Back Up Ring Color | Black or White |
Speed | ≤1.5m/s |
Temperature | -40 to 160℃ |
Pressure | ≤50MPa |
Medium | Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others |
Application | Excavators, Standard cylinders, Mobile hydraulics, Presses etc. |
Standard or can fit the groove | Comply with standard of NOK-SPGW series |
Pressure | 160bar | 250bar | 400bar | 500bar |
Max Gap E | E≤1.0mm | E≤0.8mm | E≤0.6mm | E≤0.4mm |
Installation Dimension table based on Metric Size (mm)
D H9 | d h9 | L +0.2 | H | C≥ |
50~60 | D-14 | 9 | 8.5 | 4 |
65~95 | D-15 | 11 | 10.5 | 4 |
100~120 | D-15 | 12.5 | 12 | 4 |
125~240 | D-23 | 16 | 15.5 | 6 |
250~320 | D-28 | 17.5 | 17 | 7.5 |
Feature
● Low frictional resistance
● High wear resistance
● Less installation space
● Excellent performance of sliding
● No crawling effect
● Low friction coefficient; no stick-slip effect
● Excellent extrusion resistance even during pressure peaks
The company has 5,000 square meters of professional production plants, 2000 square meters of constant temperature and humidity production workshop, dozens (sets) of advanced production equipment.
Own a professional and technical production team and sales service team.
The selection of raw materials are international first-line brand suppliers, In order to ensure product quality, we promise that don't add waste (recycled materials) in the material.
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