Description of NBR 75 Shore Piping Seals
Key advantages
-
Oil resistance: NBR material has good oil resistance and can maintain its stable performance in environments in contact with petroleum and petroleum products. This makes NBR Piping Seals widely used in piping systems in the petroleum and chemical industries.
- Medium Hardness: NBR Piping Seals have a hardness of 75 Shore A, which means they are moderately hard and soft. This hardness range allows seals to provide good sealing performance at various pipe connection points and interfaces, and to be able to adapt to certain pressures and deformations.
- Sealing performance: NBR 75 Shore Piping Seals has good sealing performance and can effectively prevent fluid leakage in the pipeline system. Its elasticity and plasticity allow it to provide a good seal at the joint and prevent external impurities from entering the piping system.
- Wear resistance: NBR material has good wear resistance and can be used for a long time in friction and wear environments without being easily damaged. This makes NBR Piping Seals suitable for pipe systems with high friction and frequent operations, maintaining their sealing performance and longevity.
- Good elasticity and recovery: NBR material has good elasticity and recovery and can quickly return to its original shape after being compressed. This enables NBR 75 Piping Seals to adapt to different piping system deformations and vibrations, maintaining stable sealing performance.
- Economical and practical: NBR materials are relatively economical and practical, with low cost, and have been widely used in many general industrial applications. NBR 75 Shore Piping Seals provide a cost-effective sealing solution for many general piping applications.
Common application scenarios
1. Industrial piping systems: NBR 75 Shore Piping Seals are commonly used for joint point, valve, and flange sealing in industrial piping systems. They can be used to seal a variety of fluid media, including water, oil, gases, and chemicals.
2. Oil and gas industry: Due to the good oil resistance of NBR material, NBR 75 Piping Seals are widely used in the oil and gas industry. They can be used in oil and gas pipeline systems at connection points, valves, well equipment, and more.
3. Automation and fluid control systems: In automation and fluid control systems, NBR Piping Seals are widely used in control valves, regulating valves, instruments, and pipeline connection points. They ensure system reliability and sealing performance.
4. Food and beverage industry: In the food and beverage processing industry, NBR Piping Seals can be used at the connection points and interfaces of pipeline systems, such as food delivery pipelines, filling equipment, etc. They comply with food safety standards, can withstand food and beverage hygiene requirements, and provide reliable sealing performance.
5. Sewage treatment: NBR 75 Piping Seals is also suitable for sewage treatment. In wastewater treatment equipment and piping systems, they are used to seal equipment such as pipe connections, valves, and pumps.
Physical property information
| Physical Properties | Rating (Metric) | Rating (Imperial) | Test Method |
| Specific gravity | 0.980 g/cc | 0.980 g/cc | |
| Volatile matter | 0.50 % | 0.50 % | |
| Mooney viscosity | 49 @Temperature 100 °C |
49 @Temperature 212 °F |
ML 1+4 |
| Mechanical Properties | Rating (Metric) | Rating (Imperial) | Test Methods |
| Hardness (Shore A) | 59 | 59 | Forming |
| 54 @Temperature 25.0 °C, Time 259000 sec |
54 @Temperature 77.0 °F, Time 72.0 hour |
Fluid Aging ASTM Fuel D | |
| 70 @Temperature 121 °C, Time 605000 sec |
70 @Temperature 250 °F, Time 168 hours |
Circulating Oven Aging | |
| Tensile strength (breaking) | 11.0 MPa | 1600 psi | Fuel Resistance |
| 11.7 MPa | 1700 psi | Heat Resistance | |
| 8.04 MPa @Temperature 25.0 °C, Time 259000 sec |
1170 psi @Temperature 77.0 °F, Time 72.0 hour |
Fluid Aging ASTM Fuel D | |
| 11.7MPa @Temperature 121 °C, Time 605000 sec |
1700 psi @Temperature 250 °F, Time 168 hours |
Circulating Oven Aging | |
| Elongation (break) | 460 % | 460 % | Forming |
| 484% @Temperature 121 °C, Time 605000 sec |
484% @Temperature 250 °F, Time 168 hours |
Circulating Oven Aging | |
| 500% @Temperature 25.0 °C, Time 259000 sec |
500% @Temperature 77.0 °F, Time 72.0 hour |
Fluid Aging, ASTM Fuel D | |
| 300% Modulus | 0.00758 GPa | 1.10 ksi | Forming |
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