Flowserve Mach 1 - Manual (Page 11)

11
User Instructions Mach 1 High Performance Plug Valve - DVENIM0300-01 - 03.13
®
SECTION VI
6. The metal diaphragm is removed from and replaced on the plug
stem with the ID lip down. (Figure VI-5)
FIGURE VI-5
7. The Grafoil packing ring (Part 17) is placed over the stem
(Figure VI-6).
FIGURE VI-6
8. The thrust gland (Part 7) is then assembled over the plug and
driven into place using the thrust gland guide, part series
BY90431 and arbor press. (Figure VI-7)
FIGURE VI-7
9. The entire assembly is turned over and the Grafoil gasket
(Part 18) placed on the metal diaphragm (Figure VI-8). A
small amount of rubber cement is placed on the Grafoil in
several places to cause it to adhere to the metal dia-
phragm.
FIGURE VI-8
10. Continue to assemble the valve per Section V-A, beginning
at step 6.