Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of flange o-ring seal kits in China, also supports customized service. Please feel free to buy high quality flange o-ring seal kits for sale here from our factory.
Products Description
Flange O-ring seal kits are important components in hydraulic systems to ensure sealing performance in high-pressure environments. These kits usually contain various sizes and O-ring materials to suit different flange connections.

Key Features
- High-Pressure Applications: Flange O-ring seal kits are designed to withstand pressures up to 3000 PSI (Code 61) and 6000 PSI (Code 62), suitable for a variety of hydraulic equipment.
- Material Selection: Common materials include Nitrile, which is typically 90 Durometer, providing good wear and oil resistance.
- Size Diversity: The kit contains a variety of O-ring sizes to accommodate flange connections of different diameters. Users can choose the appropriate size based on their specific needs.
- Wide Applications: In addition to hydraulic systems, these O-rings can also be used in other mechanical connections that require sealing to ensure that the connection does not leak oil or other fluids.
Size Specifications
| Flange Size | Tubing Dash Size | CS Nominal | ID Nominal | OD Nominal | CS Inch | ID Inch |
| 1/2 | -8 | 1/8 | 3/4 | 1 | 0.139 | 0.734 |
| 5/8 | -10 | 1/8 | 7/8 | 1-1/8 | 0.139 | 0.859 |
| 3/4 | -12 | 1/8 | 1 | 1-1/4 | 0.139 | 0.984 |
| 1 | -16 | 1/8 | 1-5/16 | 1-9/16 | 0.139 | 1.296 |
| 1-1/4 | -20 | 1/8 | 1-1/2 | 1-3/4 | 0.139 | 1.484 |
| 1-1/2 | -24 | 1/8 | 1-7/8 | 2-1/8 | 0.139 | 1.859 |
| 2 | -32 | 1/8 | 2-1/4 | 2-1/2 | 0.139 | 2.234 |
| 2-1/2 | -40 | 1/8 | 2-3/4 | 3 | 0.139 | 2.734 |
| 3 | -48 | 1/8 | 3-3/8 | 3-5/8 | 0.139 | 3.359 |
| 3-1/2 | -56 | 1/8 | 3-7/8 | 4-1/8 | 0.139 | 3.859 |
| 4 | -64 | 1/8 | 4-3/8 | 4-5/8 | 0.139 | 4.359 |
| 5 | -80 | 1/8 | 5-3/8 | 5-5/8 | 0.139 | 5.359 |
Physical Properties:
| NBR 90 | ||
| PARAMETERS | REQUIREMENTASTM D2000 | TEST VALUE |
| Hardness,Shore A(ASTM D 2240) | 90土5 | 90 |
| Tensile Strength,Mpa(ASTM D412) | Min 10.0 | 16.0 |
| Elongation At Break,%(ASTM D 412) | Min 100 | 186 |
| Specific Gravity,g/cm3(ASTM D 297) | - | 1.27g/cm3 |
| COMPRESSION SET - ASTM D395-B14 | REQUIREMENT ASTM D2000 | TEST VALUE |
| Compression Set % 22hrs @ 100°C | Max 25 | 14% |
| LOW TEMP RESISTANCE - ASTM D 2137 - F17 | REQUIREMENT ASTM D2000 | TEST VALUE |
| Non-Brittle After 3Min @ -40C | - | PASS |
Linde Polymer Technology Co., Ltd. mainly produces various rubber compounds and rubber seals and currently has more than 3,000 material formulas and more than 2,000 specifications of products. The products suit automobiles, aviation, machinery, petrochemicals, sanitary ware, medical, food, electronics, defense, military, industry and other fields. Since the establishment of the factory, the company has completed process consistency operations and the product yield rate has reached 97.1%.

48,000㎡
Factory Area
2,004
Creation Time
300
Staff
12
Production Lines
Certification
Quality Management and Environmental Management Certification



Please contact us if you have any questions.
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