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Precautions for oil seal

Precautions for oil seal

1. Preparations and precautions before startupa. Comprehensively check whether the mechanical seal, accessory device and pipeline installation are complete and meet the technical requirements.b. Static pressure test shall be carried out before the start of mechanical seal to check whether there is leakage of mechanical seal. If there are many leaks, the c...
General representation of O-ring

General representation of O-ring

It is mainly divided into two forms, one is the inner diameter * wire diameter, the other is the outer diameter * wire diameter. At present, it is widely used abroad and at home to express inner diameter * linear diameter. For example, American Standard as568 and Japanese standard g / P are all represented by inner diameter * wire diameter. And GB / t342....
O-ring Introduction

O-ring Introduction

O-rings is a kind of rubber seal ring with circular cross section. Because of its o-section, it is called O-ring or O-ring. It began to appear in the middle of the 19th century, when it was used as a sealing element of steam engine cylinder.Because of its low price, simple manufacture, reliable function and simple installation requirements, O-ring is the ...

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