
Pw Type Hydraulic Rubber PU Scraper Gasket Dust Wipers Seal
Model: DPE
Temperature: -30/+200℃
Speed: ≤5m/s
Pressure: -
Product Introduction
Our company strictly follows the quality management system, so that the quality of all our ptfe double delta seal, dust wiper, chevron cylinder packing can be effectively controlled and ensured in the first process. The company always firmly believes in and adheres to the policy of quality cooperation in the process of operation, and provides customers with cost-effective products and value-added services as the concept, and achieves the goal of mutual improvement with customers. High-level R&D, management, sales team and efficient production capacity enable us to develop rapidly. We strive for survival by quality, development by technology and personalized service to customers.
Description
One PTFE profile ring with a sealing edge and a wiper edge, as well as two O-rings as sealing and pre-load components, make up the Composite Double Wiper Seals PT1. It's a two-o-ring electrified, double-acting rod wiper with two separate wiping geometries. The two lips work together to scrape off debris from the piston rod, contain residual oil in the piston rod extension, and allow oil to be pushed back into the cylinder.
The o-ring energizers provide the force necessary to maintain the engagement of the wiping lips against the sliding surface and allow the wiper to adjust for deflection. The Composite Double Wiper Seals PT1 is capable of high-speed applications and eliminates any potential for stick-slip. High-performance materials provide outstanding wear and scraping capability as well as a large range of temperature and media compatibility.
Specification
Slide Ring Material | PTFE Filled Bronze, Carbon, MoS2, Graphite, Glass Fiber, Ekonol, Polyimide, etc. |
Slide Ring Color | Black, Green, Coffee, Yellow, etc. |
O Ring Material | NBR or FKM |
Color | Black or Brown |
Speed | ≤5m/s |
Temperature | -30 to 200℃ |
Pressure | - |
Medium | Mineral oil-based hydraulic fluids, barely flammable hydraulic fluids, water, air, and others |
Application | Large cylinders, Presses, Injection molding machines, Agricultural machinery, Mills, etc. |
Standard or can fit the groove | Comply with the standard of the Merkel-PT1 series |

Installation Dimension table based on Metric Size (mm)
d h9 | D H9 | H | L +0.2 | L1 | D1 H10 | O Ring CS d1 | R1≤ | C≥ |
20~36 | d+7.6 | 4 | 4.2 | 8.2 | d+1 | 1.8 | 0.4 | 3 |
40~65 | d+8.8 | 6 | 6.3 | 10.3 | d+1.5 | 2.65 | 1.2 | 4 |
70~135 | d+12.2 | 7.7 | 8.1 | 12.1 | d+2 | 3.55 | 2 | 6 |
140~390 | d+16 | 11 | 11.5 | 15.5 | d+2 | 5.3 | 2 | 8 |
400~650 | d+24 | 14.8 | 15.5 | 19.5 | d+2.5 | 7 | 2 | 8 |
675~910 | d+27 | 17.2 | 18 | 22 | d+2.5 | 8.4 | 2 | 11 |
Features
The features of Composite Double Wiper Seals PT1 are as follows:
● Low friction, free of stick-slip
● Excellent regulation and positioning in operation
● Material variants for short stroke and high frequency; available on inquiry
● High reliability, can accept the full operating pressure for short periods


The company has 5,000 square meters of professional production plants, 2000 square meters of constant temperature and humidity production workshop, and 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) to the material.


We are committed to guiding new development of Pw Type Hydraulic Rubber PU Scraper Gasket Dust Wipers Seal through leading technology and R&D standards. Communication is the premise and foundation for the enterprise to reach a unified will and unity, and it is an effective way to resolve conflicts and differences. For many years, the company attaches the great importance to the product quality management and the safety performance.
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