Flowserve Mach 1 Bedienungsanleitung PDF herunterladen (Seite 10)

User Instructions Mach 1 High Performance Plug Valve - DVENIM0300-01 - 03.13

NOTE: Part number reference is shown in Figure VI-1.

1. Normal procedures for field replacement of port seals or

sleeves are to be followed. Refer to V-A, steps 1-5, and V-B,

steps 1-8.

2. The fireseal top seal assembly differs from the standard Mach

1 top seal and is completed per the following instructions.

FIGURE VI-1

TYPICAL ASSEMBLY OF FIRESEAL MACH 1

3. The PFA diaphragm (Part 19) is to be flared on a tapered

bar just enough to slip over the plug stem (Fig. VI-2)

FIGURE VI-2

4. The PFA diaphragm is placed over the plug stem with the

lip down using the diaphragm guide (Figure VI-3). The

plug stem should be checked for nicks before installing

the PFA diaphragm. Nicks on this surface could result in

scratches on the lip of the diaphragm.

FIGURE VI-3

5. The metal diaphragm (Part 20) is placed over the plug

stem just far enough to enlarge the ID to conform to the

plug stem and then removed (Figure VI-4).

FIGURE VI-4

SECTION VI

ASSEMBLY SPECIFICATIONS - FIRESEAL VALVES 1"-6" MACH 1

1 2 ... 5 6 7 8 9 10 11 12

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Flowserve Mach 1 Bedienungsanleitung Seite 10