
Injection Molded Polyurethane Hydraulic Seal U Cup for Rods with O Ring- Rys
Model: Yxd
Temperature: -35/+120℃
Speed: ≤1m/s
Pressure: ≤40MPa
Product Introduction
We are meticulous about the quality of our products, and our professional quality inspection talents and procedures make each roto glyd ring, dust seal dkb, Lip U Cup Rod Seals BD in the best condition. We welcome buyers, business enterprise associations and good friends from all sections in the planet to get hold of us and request cooperation for mutual gains. We have always taken the needs of customers as our own responsibility, continue to increase R&D investment, and continue to commit to technological innovation, and sincerely develop win-win cooperation with domestic and foreign merchants.
Description
U cup rod seals consists of a non symmetrical design where the diameter of the cup is oversized for the groove diameter. This excessive condition will exert ring pressure on the seal in the gland to help stabilize. U cup also uses non symmetrical lip design. The dynamic lip is thicker and more aggressive than the static lip.
Hydraulic u cup seals ideally suited for heavy-duty mobile and stationary service where leakage must be held to an absolute minimum. Its geometry is highly resistant to side loading and is insensitive to pressure spikes and reduces or eliminates leakage under severe operating conditions.
The PU materials itself feature excellent physical properties and often used in medium or high-pressure conditions. It has a strong ability to rebound to its original shape after compression without sacrificing tensile strength and the hardness levels of the hydraulic rod seal.
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 4265, GY1, Trelleborg-RU3 series, Parker-BS series, DZ company's D-3 series |
Pressure | 160bar | 250bar | 400bar |
Max Gap E | E≤0.6mm | E≤0.4mm | E≤0.4mm |

Installation Dimension table based on Metric Size (mm)
d h9 | D H9 | H | L1 +0.2 | L2 +0.2 | C≥ | R1≤ |
20~28 | d+6 | 8 | 8.5 | 11 | 3 | 0.4 |
16~55 | d+8 | 10 | 11 | 13 | 3.5 | 0.8 |
55~160 | d+12 | 14 | 15 | 17 | 5 | 1.2 |
100~300 | d+16 | 18 | 19 | 22 | 6.5 | 1.2 |
320~690 | d+24 | 24 | 26 | 29 | 7 | 1.6 |
Feature
● High-pressure resistance
● Extraordinary efficiency
● Excellent wear resistance
● Better compression performance
● Wide working temperature range
● Excellent capability in compensating the deflection of the piston rod


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.


With industry-leading technical strength, experienced technical team, and honesty-based service attitude, we provide our customers with effective and professional quality services to create first-class brand in the Injection Molded Polyurethane Hydraulic Seal U Cup for Rods with O Ring- Rys industry. Look forward to long-term cooperation and mutual benefits! We have established a strict product quality control system and a complete product after-sales service system.
Hot Tags: hydraulic u cup rod seals, China, suppliers, manufacturers, factory, customized, wholesale, glyd ring t catalog, hydraulic guide tape, energized lip seal, seal dust, Hydraulic Cylinder Piston Step Seals, das seals
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