Flowserve Mach 1 User Manual

Page 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

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)