
Rubber Piston Cup Seal with Food Grade Material
Model: YxD
Temperature: -35/+120℃
Speed: ≤1m/s
Pressure: ≤40MPa
Product Introduction
We provide green chevron v ring packing, ptfe chevron packing, oil ring seal to our customers and actively respond to environmental changes and develop a circular economy. We pursue the service tenet of "survival by quality, development by reputation, mutual benefit and sincere cooperation". Discipline is the code of conduct in the life of our company, in order to maintain the interests of the company and its employees, we ensure the smooth running of the work while requiring employees to comply with the rules and regulations. Our vision is to make the image of a quality service company and keep the vitality and influence of the company forever.
Description
U cup piston seals has a U-shaped/Y-shaped cross-section and it is typical lip seals that installed in a groove with a tight fit. Hydraulic cup seals is designed to provide a dry sealing solution in light and medium-duty applications. It is for easy installation and excellent low temperature performance.
The seal can be considered for use in heavy-duty applications when used with a suitable full depth back-up ring. The sealing lips are trimmed at an angle to give optimal sealing performance.
Hydraulic cup seals makes it ideally suited for single-acting rod or piston applications. Can also be fitted back-to-back for use in double-acting applications.
Material | NBR, FKM or PU |
Color | Black, Brown, Red, Blue or Ivory |
Speed | ≤1m/s |
Temperature | -35 to 120℃ |
Pressure | ≤40MPa |
Medium | Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others |
Application | Mobile hydraulics, Standard cylinders, Machine tools, Injection moulding machines, Presses etc. |
Standard or can fit the groove | Comply with standard of JB/ZQ 4264, GY2, Trelleborg-PUA, Parker-B7, DZ company's D-1 series |
Pressure | 160bar | 250bar | 400bar |
Max Gap E | E≤0.6mm | E≤0.5mm | E≤0.4mm |

Installation Dimension table based on Metric Size (mm)
D H9 | d h9 | H | L1 +0.2 | L2 +0.2 | R1≤ | C≥ |
20~28 | D-6 | 8 | 8.5 | 11.5 | 0.2 | 3 |
30~55 | D-8 | 10 | 11 | 12.5 | 0.2 | 3 |
55~160 | D-12 | 14 | 15 | 17 | 0.4 | 3.5 |
105~300 | D-16 | 18 | 19 | 21.5 | 0.8 | 5 |
320~650 | D-24 | 24 | 26 | 29 | 0.8 | 6.5 |
Feature
● Reliable sealing performance
● Small frictional resistance
● Good pressure and distortion resistance
● Small compression set
● High reciprocating speed
● Simple structure and easy to install
● Adapt to the most demanding working environment


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.


Our Rubber Piston Cup Seal with Food Grade Material compete with other similar products on the basis of quality, reliability, and especially the diversification of varieties. The company always stands at the forefront of science and technology, and always grasps the quality of products is our unremitting pursuit. We firmly believe that professionalism creates value and trust comes from responsibility.
Hot Tags: hydraulic u cup piston seals, China, suppliers, manufacturers, factory, customized, wholesale, hydraulic chevron packing, spring loaded face seal, spring energized seal ptfe, hydraulic back up ring, das piston seals, Hydraulic Cylinder Rod Glyd Ring
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