
Hydraulic Cylinder U-Cup Pistons Seals From Factory
Model: YxD
Temperature: -35/+120℃
Speed: ≤1m/s
Pressure: ≤40MPa
Product Introduction
Whether our dust seal design, wiper seal dkb, wiper ring piston is designed as standard or customized, it is known worldwide for high performance, reliability and innovation. The company focuses on products produced by Chinese companies and aims to improve the quality of products produced by Chinese companies. We are committed to large-scale production and scientific management, launch brand strategy, strive to create value brands and enhance the core competitiveness of enterprises. We should unify our thoughts and standardize our behaviors through in-depth study and implementation of the enterprise spirit.
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.


We have been focusing on the production of Hydraulic Cylinder U-Cup Pistons Seals From Factory. The sales area is spread all over the country, and we are also exported to all parts of the world. While accelerating business development and promoting business prosperity, our company strives to build the company into a highland of talents. We have strong technical force, advanced processing equipment, and complete production and testing equipment.
Hot Tags: hydraulic u cup piston seals, China, suppliers, manufacturers, factory, customized, wholesale, energized rod seal, piston seal SPGO, Cylinder Rod Seals SPNS, nylon back up ring, upi seals, Symmetric Spring Energized Seals
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