Pneumatic directional control valves spool type with 5 ports for pn=10 bar
STANDARD published on 1.1.1987
Designation standards: GOST 21251-85
Publication date standards: 1.1.1987
The number of pages: 46
Approximate weight : 138 g (0.30 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 11.92