This ball valve is used on all 149, 212H-11, 412H-11 and 612MB-30 Stokes® Vacuum pumps and all 607, 615 and 622 Stokes® Vacuum blowers.
The 149 and 212H-11 pumps use one (1) of these ball valves.
The 412H-11 and 612MB-30 pumps use two (2) of these ball valves.
The 607, 615 and 622 blowers use two (2) of these ball valves.
Equivalent to OEM part# 085-021-811