Model 3381 – Cashco 3381 User Manual
Page 7
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)
Spring Chamber Thread 3/4"-16 UNF-2A