cashco 4381 Installation, Operation & Maintenance Manual - Page 8
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Basic Model 4381 with Metal Seat Design
Item No.
Description
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 --------- ‡‡
15
Pusher Plate Seal ---------- ‡‡
16
Piston ------------------------- ‡‡
17
Range Spring
18
Handwheel
19
Mounting Nut
21
Thrust Bearing
22
Upper Bearing
23
Lower Bearing
30
U-Cup ------------------------- ‡‡
8
Figure 1:
Repair Parts
Kit B
Composition Seat
with Option -4 Stabilizer
MODEL 4381
Option -36 Cryogenic Model 4381 with Metal Seat Design
(Handwheel portion is same as Option-2 Handwheel).
(NOTE: Mount in Horizontal line with
Adjusting Screw down as shown.)
Figure 2:
Option-22 Panel Mounting
Option-22 NOT available with Option-80.
Spring Chamber Thread 3/4"-16 UNF-2A
Option-80, High Pressure
Spring Chamber Construction
IOM-3381/4381