
Pneumatic Drive Glass Vacuum Pump Lifting Equipment Used in Glass Factory Air Pressure Drive Sucker
Model: DUN
Temperature: -20/+100℃
Speed: ≤0.5m/s
Pressure: ≤40MPa
Product Introduction
Our U Cup Rod Seals B3 and BS, metric spring energized seals, Rod Rotary Seals Roto Glyd Ring have been widely praised for their high reliability, high efficiency and high stability. Adhering to the development idea of daring to be the first, seizing the commanding height of the future development of the industry and mastering the core technology, our rise has gained great advantages. Our company has always pursued the business philosophy of "innovation, quality, efficiency and integrity", and vigorously carried out the activities of "technological innovation, business innovation and management innovation" to make the company grow steadily. Our products sell all over the domestic and abroad thanks for the regular and new customers support. We are tireless in the field of professional exploration and we provide a one-stop omni-directional service with a professional construction team.
Description
U cup UN is used in a wide range of hydraulic cylinders. These seals have a symmetrical configuration of the sealing lips and are mainly used in single acting or double acting standard hydraulic cylinders, particularly for mobile hydraulics under rough operating conditions.
UN hydraulic seals is a lip seal that can be used for piston and rod seals because of the equal height of the two seal lips. The piston rod seal is the most critical seal on any type of fluid power plant, preventing fluid from leaking out of the cylinder to the outside.
Leakage through the rod seal can degrade equipment performance and, in extreme cases, environmental problems. Combined for engineering, the range of automatic hydraulic equipment for the sealing of pistons and piston rods in reciprocating hydraulic cylinders. It is used in a wide range of hydraulic cylinders. UN is a lip seal that can be used for piston and rod seals because of the equal height of the two seal lips.
Material | NBR, FKM or PU |
Color | Black, Brown, Red, Blue or Ivory |
Speed | ≤0.5m/s |
Temperature | -20 to 100℃ |
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 Trelleborg-RUB,DZ-UN, RSS, MUP. |
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 | D | L1 | L2 | H | R1≤ | C≥ |
20~50 | d+8 | 5 | 7 | 4 | 0.4 | 3 |
20~150 | d+6 | 6 | 8 | 5 | 0.2 | 3 |
20~50 | d+8 | 6 | 8 | 5 | 0.4 | 3 |
20~150 | d+10 | 6 | 8 | 5 | 0.8 | 3.5 |
20~50 | d+8 | 7 | 9 | 6 | 0.4 | 3 |
20~150 | d+10 | 7 | 9 | 6 | 0.8 | 3.5 |
20~50 | d+10 | 8 | 10 | 7 | 0.8 | 3.5 |
20~100 | d+8 | 9 | 11 | 8 | 0.4 | 3 |
20~100 | d+10 | 9 | 11 | 8 | 0.8 | 3.5 |
20~100 | d+12 | 9 | 11 | 8 | 0.8 | 3.5 |
20~100 | d+13 | 9 | 11 | 8 | 0.8 | 3.5 |
20~150 | d+15 | 9 | 11 | 8 | 1.2 | 5 |
20~200 | d+12 | 10 | 12 | 9 | 0.8 | 3.5 |
20~200 | d+15 | 10 | 12 | 9 | 1.2 | 5 |
20~200 | d+10 | 11 | 13 | 10 | 0.8 | 3.5 |
20~200 | d+15 | 11 | 13 | 10 | 1.2 | 5 |
d | D | L1 | L2 | H | R1≤ | C≥ |
20~200 | d+20 | 11 | 13 | 10 | 1.2 | 5 |
20~200 | d+10 | 13 | 15 | 12 | 0.8 | 3.5 |
20~250 | d+15 | 13 | 15 | 12 | 1.2 | 5 |
20~250 | d+20 | 13 | 15 | 12 | 1.2 | 5 |
20~250 | d+25 | 13 | 15 | 12 | 1.6 | 7 |
100~250 | d+15 | 17 | 20 | 15 | 1.2 | 5 |
50~350 | d+20 | 17 | 20 | 15 | 1.2 | 5 |
20~250 | d+25 | 17 | 20 | 15 | 1.6 | 7 |
20~250 | d+30 | 17 | 20 | 15 | 2.4 | 8 |
100~300 | d+20 | 18 | 21 | 16 | 1.2 | 5 |
50~300 | d+25 | 18 | 21 | 16 | 1.6 | 7 |
50~300 | d+20 | 20 | 23 | 18 | 1.2 | 5 |
50~300 | d+25 | 20 | 23 | 18 | 1.6 | 7 |
100~300 | d+30 | 20 | 23 | 18 | 2.4 | 8 |
150~400 | d+30 | 24 | 27 | 22 | 2.4 | 8 |
Feature
● High sealing performance under low pressure
● Not suitable for separate sealing
● Easy to install
● Wear-resistance, extended services life
● Resistance against extrusion


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 always follow the business philosophy of sincere cooperation and fine production to dedicate high quality Pneumatic Drive Glass Vacuum Pump Lifting Equipment Used in Glass Factory Air Pressure Drive Sucker and first-class service to our customers. We have the spirit of bold innovation in products, services, technology, management and other aspects. With the entrepreneurial spirit of continual truth-seeking, innovation, pioneering and enterprising, we have improved our product competitiveness and market adaptability. On the basis of doing a good job in the domestic market, our company will step into the international market with a never-ending pace.
Hot Tags: piston rod seals u cup un, China, suppliers, manufacturers, factory, customized, wholesale, u cup BS, das piston seals, rod seals hydraulic, variseal ring, Hydraulic U Cup Piston Seals, odi piston seals
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