Retaining valves

Retaining valves

These are valves, made of bronze with a nylon/fibre glass shutter.

They are essential in lubricated vacuum pumps to prevent the oil returning during the engine extinction phase due to counterrotation.

Art. A B C CH
EVRV 1/4 41 CH1 7 G. 1/4" 17
EVRV 3/8 45 31 G. 3/8" 27
EVRV 1/2 43 31 G. 1/2" 27
EVRV 3/4 50 39 G. 3/4" 33
EVRV 1 58 47 G. 1" 40
EVRV 1·1/4 64 56 G. 1-1/4" 50
EVRVl· 1/2 49 66 G. 1-1/2" 55
EVRV 2 77 83 G. 2" 70

 

Art. A B C D CH
EVRO 1/2 48 48 33 G. 1/2" 27
EVRO 3/4 58 60 42 G. 3/4" 33
EVRO 1 70 68 46 G. 1" 42
EVRO 1-1/4 81 77 55 G. 1-1/4" 51