Pumps with mechanical seal:

Pump depends largely on the reliability of petrochemical mechanical seal, in petrochemical enterprises, the process of fluid are flammable and explosive, once the mechanical seals leakage failure, not only pollute the environment, affect human body health, but also will lead to major accidents such as fire, explosion.We mainly from the oil refining pumps with mechanical seal sealing structure under different working condition selection of lower seal using failure rate, improve the use of reliability.

1. The high temperature heat pumps with mechanical seal
High temperature hot oil pump are often at the end of the pump, pump, catalytic slurry oil pump, the pump is characterized by high temperature (370 ℃ -- 370 ℃), oil viscosity, bottom have impurities.
2. Gasoline and diesel pumps with mechanical seal
Mechanical seal uses the static structure of the pump (temperature higher than 200 ℃ pump uses the bellows structure).One is to avoid due to the heat generated by the high-speed stirring;The second is to prevent spring torque.
3. Low temperature light hydrocarbon pumps with mechanical seal
To increase the compensation loop length of the tail and adopt pair of rear cover structure, increase the ability to resist to light hydrocarbon pump mechanical seal.By flushing to improve seal chamber pressure to prevent the dry friction caused by the seal.From washing measures can not only ensure the sealing cavity with medium pressure and high avoid medium in a sealed cavity vaporization and gas accumulation, but also take the friction heat generated in the friction pair in a timely manner, effective control of the seals, temperature increasing liquid phase area and improve the friction condition.

Second, the valve:

Valve is an indispensable part of the petrochemical refining unit, the use of valve variety, quantity is big, the chemical industry in the production of medium is highly corrosive and toxic or flammable and explosive, when the valve is leaking, not only will cause serious waste of raw materials, energy and products but also cause serious influences on the environment, even cause serious accidents.Therefore, it is necessary also should attach importance to petrochemical valve leakage problem during production.

Third, universal type seals:

Along with the advance of static sealing technology, the rubber sealing products and gasket material and structure has a great development, is widely applied in the field of all kinds of seal, including petrochemicals seal, go in and its affiliated industry will also be incentives, the whole industry chain development prospect is very considerable.

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