Flowserve Mach 1 - Manual (Page 9)

9
User Instructions Mach 1 High Performance Plug Valve - DVENIM0300-01 - 03.13
®
1. Mount body (Part 1) on arbor press or table vise holding
one flange.
2. Place the sleeve (Part 3) into the bowl of the body.
WARNING: Sleeve port must be aligned with body port.
(See Figure V-B1)
FIGURE V-B1
3. Apply a thin film of lubricant on the plug (Part 4).
4. Place the plug in the closed position into the sleeve which
is in the body. (See Figure V-B2)
FIGURE V-B2
5. Position the top cap (Part 9) over the plug with the anti-
rotation lugs aligned with the body lugs, making sure the
top cap is free to move downward (Figure V-B3). Using all
top cap fasteners (Part 10), tighten evenly in a cross-cross
method until the top cap bottoms on the body counter-
bore.
SECTION V
B. VALVE ASSEMBLy 1"-6" MACh 1 WITh SLEEVE
FIGURE V-B3
6. Check that the top seal of the sleeve is seated into the body
counterbore. (See Figure V-B4) Remove the top cap fas-
teners and top cap.
FIGURE V-B4
7. Push the plug downward, while still in the closed position,
until the top of the plug taper is 1/16" above the top of the
sleeve surface. Allow the plug to remain in this position for
the time listed in Table V-B-I.
TABLE V-B-I
SLEEVE SIZING TIMES
8. Remove the plug.
9. Continue with assembly as in V-A, Valve Assembly of 1"-6"
MACH 1 with port seals, starting at number 6, assembling
diaphragms on plug stem.
STOP!
Valve sizes 1" - 3" 4" - 6"
Time (min) 5 8