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Assembly Note: The balance valve assemblies are now installed. Perform a leak test of the valve bodies by following steps 9-11.
Step 9: Apply approximately 100 pisg air to the supply ports.
For the Top Body (G) the port is marked "P3", and for
Bottom Body (H) the port is marked "P1".
Step 10: Apply soap around the valve seat and the back
end of the retainer, as shown in Figure 4 and Figure 5.
29 | GE Oil & Gas
P4
P4
Figure 4
Pressurize
this port
Pressurize
this port
P1
P1
Soap test
here
Soap test
here
Figure 5
Step 11: If a leak is found, check the o-ring integrity,
contamination between the balance valve (D), and the seat (A).
Disassemble and repeat steps 1-11. If there are no leaks,
move to step 12.
Soap test
here
Soap test
here
P3
P3
Soap test
here
Soap test
here
Soap test
here
P2
P2
© 2016 General Electric Company. All rights reserved.
Pressurize
this port
Pressurize
this port
Top Body (G)
Top Body (G)
Bottom Body (H)
Bottom Body (H)
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