Sealing type of the heavy oil pump in the catalytic unit

2017-08-20View Original

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Due to the failure of the mechanical seal on the feed oil pump in the catalytic processing unit at CNPC Dalian Petrochemical, which led to a fire on August 17, what type of mechanical seal is used in your facility?

Reply #22017-08-20

Is it the type that uses sealing oil for flushing?

Reply #32017-08-20

Mechanical seals with white oil sealing, or dry gas sealing.

Reply #42017-08-21

We currently use white oil seals for heavy oil, while dry gas seals are employed for light oil and gases

Reply #52017-09-02

Crude oil pump P21, re-refined oil pumps P32+P53A, slurry pumps P32+P53B – double-end face sealing

Reply #62017-09-02

Crude oil pump P21, re-refined oil pumps P32+P53A, slurry pumps P32+P53B – double-end face sealing

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Sealing type of the heavy oil pump in the catalytic unit

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