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Differential analysis of seal matching of gear oil pump

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1. The common cast iron gear oil pump is assembled with graphite ring supporting skeleton oil seal. This situation is suitable for the circular gear pump to transport lubricating, low temperature and non-corrosive media.
2. When the gear oil pump of common cast iron material adopts FBD or FOED graphite mechanical seal. This situation is suitable for large-flow gear pumps that are required to be sealed without leakage, the medium is lubricating, normal temperature, and non-corrosive. The effect is better than the first case. But costs have increased.
3. When the gear oil pump of ordinary ordinary cast iron material adopts FBD or FOED alloy material or silicon carbide material mechanical seal. This situation is suitable for the use of circular gear pumps in the case of sealing without leakage, slight impurities in the medium, lubricity of the medium, normal temperature, and non-corrosive. Seals have a longer service life than graphite mechanical seals. But costs have increased.
Fourth, the stainless steel high-flow gear pump is assembled by using PTFE packing and PTFE skeleton oil seal. This situation is generally used when the arc gear pump is used to transport corrosive, impurities or no impurities, but the medium viscosity is high.
5. When stainless steel gear oil pump adopts FBD or FOED graphite mechanical seal. This situation is generally used under the conditions of circular gear pumps to transfer food-grade grease or similar food-grade grease.
6. The gear oil pump made of stainless steel adopts 58U or 59U graphite mechanical seal. This situation is generally used under the conditions of circular gear pumps to transport food-grade grease or food-grade similar grease, with high requirements for hygienic conditions and high temperatures.
7. When the gear oil pump is magnetically sealed, the material of the main arc gear pump is correctly selected, and it can be applied to all working conditions without leakage for life. Mostly used to transport more expensive media, or used in chemical companies to prevent leaks.
Therefore, the seal type of each large-flow gear pump is determined according to the characteristics of the material being pumped. If you have special requirements, you must specify it when ordering, and we will install it for you!
  • Taixing Gear Oil Pump Tel: 0523-87893614 Fax: 0523-87893614 Email: liouxiaoyu716@163.com
  • Address: Haigu Industrial Zone, Huangqiao Town, Taixing City Record number: 苏 ICP 备 16058667
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