Rückflussverhinderer Check valve Clapet anti-retour
Documents pareils
RV 284 - Honeywell
direction pointing upwards in vertical
pipework
● Test valve pointing downwards
4. Slowly open valves 1 and 2 .
direction pointing upwards in vertical
pipework
● Test valve pointing downwards
4. Slowly open valves 1 and 2 .