Description
This valve seat is used on the GLV 1.5 and 3.0 and Stokes® 148, 212, 412 and 612 vacuum pumps.
This valve seat is not compatible with the older clapper valves.
The 148 pumps use one (1) of these valve seats.
The 1.5 and 212 pumps use two (2) of these valve seats.
The 3.0, 412 and 612 pumps use four (4) of these valve seats.
