
O-Ring Sealing Hydraulic Carbon Steel Oil Drain Plug
Model: DST
Temperature: -60/+260℃
Speed: ≤15m/s
Pressure: -
Product Introduction
We are confident that we would be your best choice if you are looking for double delta piston seals, chevron cylinder packing, ptfe wiper seals manufacturer with class-leading quality and professional services. We are looking forward to establish long-term, mutual beneficial partnership with even more customers with our professional attitude, leading-edge craftsmanship and quality services. We take unity and pragmatism, honesty and innovation as the core concept of our company, and take the road of industry to serve the country with modern management mechanism. We stick to our original heart to return to industry, and build a company that makes products with responsibility, brands with sentiment and missions. Our consistent aim is to provide high-quality products and services to help customers grow. We have a wealth of practical experience in market planning, channel management and brand operation.
Description
The function of a hydraulic wear ring is to guide the shaft and hole sealing of a hydraulic cylinder, absorbing transverse forces. At the same time, it prevents metal-to-metal contact, optimizing the performance of the sealing system. Guide rings are precision machined according to tight tolerance specifications on the radial section of the guide. Therefore, they optimize guide load distribution and limit radial misalignment of components for best seal performance.
These standard guide rings can operate dynamically either on their outside or inside surfaces and, therefore, can be used in piston or rod applications.
Guide Rings have the task of guiding the rods and pistons of pneumatic and hydraulic cylinders and preventing direct metallic contact with the cylinder housing. They must have the capacity to absorb strong transverse forces even over a short guide distance while keeping frictional losses low.
Material | PTFE, POM, Nylon |
Color | Coffee, Yellow, Green, White, Black etc. |
Speed | ≤15m/s |
Temperature | -60 to 260℃ |
Pressure | - |
Medium | Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others |
Application | Mobile hydraulics, Standard cylinders, Pneumatic, Injection moulding machine, Presses etc. |
Standard or can fit the groove | Comply with standard of ISO10766, GB/T15242.2, GP&GR41/43/65, GP&GR69/73/75 |
Material | UH-PE |
Color | White |
Speed | ≤2m/s |
Temperature | -60 to 100℃ |
Pressure | - |
Medium | Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others |
Application | Foodstuff industry, Water hydraulics, Dry application, Pneumatic, Heavy duty cylinders etc. |
Standard or can fit the groove | Comply with standard of ISO10766, GB/T15242.2, GP&GR41/43/65, GP&GR69/73/75 |
Material | Phenolic resin, Phenolic fabric |
Color | Red and Blue |
Speed | ≤1m/s |
Temperature | -60 to 120℃ |
Pressure | - |
Medium | Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others |
Application | Engineering machinery, Mobile hydraulics, Heavy duty cylinders, Standard cylinders, Mills, Presses etc. |
Standard or can fit the groove | Comply with standard of ISO10766, GB/T15242.2, GP&GR41/43/65, GP&GR69/73/75 |

d | D | T | L1 +0.2 | w |
8~20 | d+3 | 3.0 | 3.2 | 1.5 |
15~35 | d+5 | 4.0 | 4.2 | 2.5 |
20~75 | 6.1 | 6.3 | ||
30~250 | 7.9 | 8.1 | ||
35~300 | 9.5 | 9.7 | ||
120~900 | 14.8 | 15.0 | ||
200~900 | 19.5 | 20.0 | ||
300~900 | 24.5 | 25.0 | ||
300~999 | 29.5 | 30.0 | ||
15~35 | d+4 | 4.0 | 4.2 | 2 |
20~75 | 6.1 | 6.3 | ||
30~250 | 7.9 | 8.1 | ||
35~300 | 9.5 | 9.7 | ||
120~900 | 14.8 | 15.0 | ||
200~900 | 19.5 | 20.0 | ||
300~900 | 24.5 | 25.0 | ||
300~999 | 29.5 | 30.0 |
D | d | T | L1 +0.2 | w |
15~20 | D-3 | 3.0 | 3.2 | 1.5 |
20~40 | D-5 | 4.0 | 4.2 | 2.5 |
25~80 | 6.1 | 6.3 | ||
40~270 | 7.9 | 8.1 | ||
40~320 | 9.5 | 9.7 | ||
125~900 | 14.8 | 15.0 | ||
200~900 | 19.5 | 20.0 | ||
300~900 | 24.5 | 25.0 | ||
300~999 | 29.5 | 30.0 | ||
20~40 | D-4 | 4.0 | 4.2 | 2 |
25~80 | 6.1 | 6.3 | ||
40~270 | 7.9 | 8.1 | ||
40~320 | 9.5 | 9.7 | ||
125~900 | 14.8 | 15.0 | ||
200~900 | 19.5 | 20.0 |
Feature
● Low cost production of the piston
● Long service life
● High resistance to gap extrusion
● Low coefficient of friction, good sliding performance
● Excellent wear resistance
● Snap-on assembly possible
● Can be used to replace many other compact seal design


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 uphold the concept of providing customers with value-added services. What is sold is not just a single product, but a excellent O-Ring Sealing Hydraulic Carbon Steel Oil Drain Plug solution for customers, which brings real value enhancement to customers. We rely on the good quality of all employees, quality service and conscious maintenance to continuously enhance the value and goodwill of the brand. Our company relies on our abundant capital, flexible marketing, rich operation and advanced management to land in overseas market.
Hot Tags: hydraulic cylinder wear ring, China, suppliers, manufacturers, factory, customized, wholesale, vee pack seals, Hydraulic Cylinder Rod Step Seals, U Cup Seals OSI, double delta piston seals, energized seal ring, chevron cylinder packing
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