IOM-POSR-1
11
FIGURE 3
MV – MAIN VALVE
POSR-1 & POSR-1-20
ITEM NO.
DESCRIPTION
1
Body
2
Loading
Chamber
3
Cylinder/Piston
Sub
as sem bly
3.1
Cylinder
3.2
Piston
4
Body
Cap
6
Spring
8
Cylinder
Gasket
9
Shield
10
Socket Head Cap Screw
11
Pusher
Plate
12
Diaphragm
ITEM
NO.
DE
SCRIP TION
13
Diaphragm
Gasket
14
Cap
Screw
15
Nut
16
Nameplate
17
Drive
Screw
23
Pipe
Plug
Not Shown on Drawing
19
Pipe
Nipple
20
Tube
Fitting
21
Tubing
