
Instruction Manual
D100425X012
YD and YS Valves
October 2014
20
1. Remove the two diametrically opposed pipe plugs (key 16).
2. Connect a purging fluid to one of the pipe plug connections.
3. Install appropriate piping or tubing in the other pipe plug connection to pipe away the purging fluid or to make a
connection to an analyzer for leak testing.
Figure 9. Fisher YS Valve
30A3554-D
COMMON PORT
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