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The requirements of Valve assembly
Oct 25, 2018

Requirements for valve assembly pretreatment´╝Ü

1, according to processing requirements, some parts need to be polished, the surface can not be processed burrs; 

2, all parts of the degreasing treatment; 

3, after the completion of degreasing pickling passivation, cleaning agent does not contain phosphorus; 

4, after pickling passivation with pure water rinse clean, can not have remnants Retain, carbon steel components omit this step; 

5, each component with non-woven cloth to dry, can not be wool and other parts retained surface, or with clean nitrogen for drying; 6, with non-woven cloth or precision filter paper stained with pure alcohol to wipe each component until no dirty color. 

Valve assembly technical requirements: 

Installation workshop must be clean, or set up temporary clean areas, such as the use of newly purchased colored cloth or plastic film, to prevent dust into the installation process.

The assembly workers must wear clean cotton overalls, cotton caps, hair can not leak, clean shoes, plastic gloves, degreasing. 

Assembly tools must be degreased and cleaned before assembly to ensure cleanliness.


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