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Technical standard

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HG/T21573.4-95 spherical washer
- standard category : Performance standard
- Standard system : Chemical standard(HG)
- Type :
Standard category: |
Performance standard |
Standard system: |
Chemical standard(HG) |
Type: |
|
Specification in detail: |
This standard specifies the structural dimensions and technical requirements of the spherical washer for the flange and manhole flange connection of pressure vessel equipment. There are type A and B for spherical washer. The surface of the stud was phosphorylated. |
Parameter diagram:
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