
Sinotruk HOWO Truck Spare Auto Parts Air Compressor Piston
Model: DAI
Temperature: -30/+100℃
Speed: ≤1m/s
Pressure: -
Product Introduction
Due to our rich experience and superb production technology, we firmly believe that our u cup rod seals, Composite Piston Seals AQ, hydraulic wear strip is very competitive in the market. After years of development, the company's sales network has covered all major and medium-sized cities across the country, and can provide timely services to customers. You can see more details in our website. Your satisfaction is our unswerving work goal. Because we know that responsibility is heavier than Mount Tai and life is above everything else, what we provide is not only high-quality products and services, but also a commitment to user production and safety. We recruit a variety of professional and skilled personnel, and conduct comprehensive training and examination of employees.
Description
Dust wiper DAI is a single-acting elastomeric dirt wiper with bearing segments. The ratio of the wiping lip ensures that it remains in contact with the surface of the rod to remove large amounts of deposited contaminants such as mud and ice. The outside diameter of the wiper incorporates a crush lip to provide an interference fit with the housing. This feature help prevent contamination from entering the groove.
Dirt, dust, and moisture must not contaminate the working medium and, most importantly, must be kept away from the pressure seal edges. Depending on the application, a simple wiper with or without metal reinforcement and a double wiper with or without pressure relief can be used. DAI wipe seals can be used with mineral oil and many other types of hydraulic fluids. Special versions are available for use at high ambient temperatures. Care must be taken to ensure that there is no pressure buildup inside the wiper, including grease lubricant pressure.
Material | PU, FKM, NBR |
Color | Red, Blue, Ivory, Green, Black, Brown etc. |
Speed | ≤1m/s |
Temperature | -30 to 100℃ |
Pressure | - |
Medium | Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others |
Application | Industrial hydraulics, Machine tools, Presses etc. |
Standard or can fit the groove | Comply with standard of A5, DH-05, Merkel-P6 series, Hunger-AI series |

Installation Dimension table based on Metric Size (mm)
d h9 | D H9 | L +0.2 | D1 H11 | H | R1≤ | C≥ |
16~70 | d+8.6 | 5.3 | d+3 | 7 | 0.4 | 5 |
75~120 | d+12.2 | 7.2 | d+6 | 12 | 0.4 | 5 |
125~160 | d+15 | 10.2 | d+7.6 | 16 | 0.4 | 7 |
180~500 | d+20 | 10.2 | d+10 | 18 | 0.8 | 7.5 |
510~530 | d+30 | 15.2 | d+15 | 25 | 0.8 | 8 |
555~900 | d+25 | 12.7 | d+12.6 | 20 | 0.8 | 7.5 |
Feature
● Good seating at the outside diameter
● Very good wiping action
● Wiper can be used for a wide temperature range
● No twisting in the housing and no pressure build-up between seal and wiper


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 Sinotruk HOWO Truck Spare Auto Parts Air Compressor Piston are made by our professional R&D team, both in terms of quality and appearance. Our company has a strong cohesive team with great professionalism, dedication, efficiency and responsibility. Honesty and trustworthiness are the foundation of our survival. Diligence and initiative are the first conditions for our development and growth, and innovation and cooperation are our long-term development strategies. Welcome customers to negotiate business.
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