Pump Shaft And Pump Body Anti-leakage Rubber Sealing Gasket NBR70
This rubber sealing gasket is specially designed for the pump shaft and pump body of the oil pumping unit. It is made of high-quality NBR70 nitrile rubber material and is intended to provide an excellent anti-leakage solution for the oil pumping unit, ensure stable operation of the equipment, reduce maintenance costs and reduce the risk of environmental pollution.
Material properties
NBR70 nitrile rubber has splendid oil resistance and can withstand the erosion of crude oil and various hydrocarbon media in the working environment of the pumping unit. Its good wear resistance can withstand the friction caused by the long-term high-speed rotation of the pump shaft and effectively prevent leakage caused by wear of the sealing surface. At the same time, the material also has a certain temperature resistance and can maintain stable physical properties within the common operating temperature range of the pumping unit to meet the needs of different working conditions.
Performance Advantages
1. Magnificent sealing performance: The precisely designed size and highly elastic NBR70 material enable it to fit tightly between the pump shaft and the pump body, effectively preventing liquid and gas leakage, with high sealing reliability, greatly improving the operating efficiency of the pumping unit.
2. Good chemical resistance: It has strong tolerance to various chemical substances in crude oil, is not prone to chemical reactions that lead to performance degradation, and ensures long-term stable sealing.
3. Low friction coefficient: While ensuring the sealing effect, the friction resistance to the pump shaft is reduced as much as possible, reducing power loss, extending the service life of the pump shaft, and reducing equipment energy consumption and maintenance frequency.
4. Anti-compression permanent deformation ability: Even under long-term compression, it can still maintain good elastic recovery ability, maintain stable sealing pressure, and prevent leakage problems caused by deformation of seals.
Products Parameters
1. Dimensions: We provide a variety of inner diameters, outer diameters and thicknesses, which can be customized according to the specific dimensions of the pump shaft and pump body of different models of oil pumping units to ensure a perfect match. Common specifications include inner diameters ranging from 20 mm - 100 mm, outer diameters from 30 mm - 120 mm, thicknesses from 3 mm - 8 mm, and special sizes can be customized on demand.
2. Hardness: The Shore hardness is about 70 degrees, which has both good sealing performance and moderate flexibility. It can not only ensure effective sealing, but also adapt to the slight vibration and eccentric movement of the pump shaft.
3. Tensile strength: ≥10MPa, with strong tensile resistance, not easy to be torn or damaged during installation and use, ensuring the integrity and reliability of the seal.
4. Elongation at break: ≥250%. High elongation enables it to maintain good elastic deformation and sealing contact during relative movement and dimensional changes between the pump shaft and the pump body, and adapt to a variety of working conditions.
Certification
Technical data
| Performance | Performance | Features |
| Oil resistance | Excellent stability for oil media such as petroleum hydraulic oil and gasoline | |
| Abrasion resistance | Excellent wear resistance, can be used for a long time in high flow rate and high pressure oil and gas environment | |
| Heat resistance | Long-term use temperature can reach 100℃, and can be used for about 40 days at 120℃ | |
| Corrosion resistance | It has a certain resistance to corrosive substances such as sulfides in crude oil | |
| Air tightness | When the acrylonitrile content is 39%, the air tightness is equivalent to IIR rubber | |
| Antistatic property | Excellent antistatic performance | |
| Quality parameters | Quality parameters | Range |
| Parameters | ||
| Acrylonitrile content | Undefined, it is speculated to be medium-high nitrile and above, generally 18%-53% | |
| Mooney viscosity | Undefined, usually the raw rubber Mooney viscosity of NBR is between 20-130 | |
| Using temperature range | -20℃-100℃ | |
| Pressure range | For example, the end cover seal of nbec nbr-70, the maximum pressure is 0.5bar | |
| Application in oil and gas equipment | Application in oil and gas equipment | Specific uses |
| Application areas | ||
| Seals | Used for shaft seals, hole seals, oil seals, etc. of oil and gas equipment to prevent oil and gas leakage1 | |
| Rubber joints | Connect oil and gas pipelines, compensate for pipeline displacement, absorb vibration, and ensure the sealing and stability of the pipeline system | |
| Oil tank linings | Protect the inner wall of the oil tank to prevent corrosion of the tank body by crude oil and other media3 | |
| Oil well brushes | In the process of oil well mining, it is used to clean the oil stains and other impurities on the inner wall of the oil pipe3 | |
| Pipe thread protective layer | Apply to the pipe thread to prevent oil and gas leakage and enhance the sealing of the thread3 |
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