
U-Cup Rod Seal Spare Part for Caterpillar Group Hydraulic 1672304
Model: Yxd
Temperature: -35/+120℃
Speed: ≤1m/s
Pressure: ≤40MPa
Product Introduction
We will continue to invest our resources in research and development of new roto glyd ring k, double lip seals, buffer seal hbts to further meet the environmental needs of our customers. We have worked tirelessly to serve our customers wholeheartedly with excellent technical strength and sincere attitude. Trusting and respecting everyone is our unwavering belief from beginning to end, and is the foundation for our development and growth. We have the spirit of craftsmanship and lean production concept, mastering intelligent manufacturing technology.
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.


No matter new customer or outdated client, We believe in extensive phrase and trusted relationship for U-Cup Rod Seal Spare Part for Caterpillar Group Hydraulic 1672304. With long-term development as the goal, we are committed to building a corporate culture with an international perspective, consensus on ideas, and competitive advantages. Our company has a pioneering and enterprising, respect science, know how to manage technology, good at opening up the market, honest and trustworthy, to customer requirements for their own responsibility, fully carry forward the team spirit of the staff.
Hot Tags: hydraulic u cup rod seals, China, suppliers, manufacturers, factory, customized, wholesale, chevron packing seal, stepseal 2k, Hydraulic Cylinder Back Up Ring Gasket, spring energized rod seal, step seals, spring loaded face seal
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