Tube connections. Passage unions for pn 16 mpa (160 kgf/cm2). Construction and dimensions
STANDARD published on 1.1.1980
Designation standards: GOST 21856-78
Publication date standards: 1.1.1980
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 6.80
Amd. 3.85
Amd. 2.89
Amd. 8.98