IOM-3381/4381
7
Option-20, Dome Loaded
MODEL 3381
Repair Parts
Item No. Description
Kit B
1
Body
2
Spring Chamber
3
Pressure Plate
4
Pusher Plate
5
Spring Button
6
Body Cap
7
Piston Spring --------
‡‡
8
Adjusting Screw
9
Lock Washer
10
Pressure Plate Nut
11
Adjusting Screw Locknut
12
Nameplate
13
Diaphragm -----------
‡‡
14
Diaphragm Gasket(s)
‡‡
15
Pusher Plate Gasket
‡‡
16
Piston -----------------
‡‡
17
Range Spring
18
Handwheel
19
Mounting Nut
Figure 1:
Basic Model 3381 with Metal Seat Design
Composition Seat Design
(
NOTE: Mount in Horizontal line with
Adjusting Screw down as shown.)
Figure 2:
Option-5 Cryogenic Model 3381, Metal Seat Design
Option-22 Panel Mounting
(Handwheel portion is same as Option-2 Handwheel)