IOM-6987
7
Figure 2:
Basic Model 6987 - Metal Seat
Range Springs from 50 psig to 200 psig.
ITEM
REPAIR PARTS
NO. DESCRIPTION
Kit
B
1 Body
2 Spring
chamber
3 Adjusting
Screw
4
Spring Buttons (2)
5
Adjusting Screw Lock Nut
6 Range
Spring
7 Diaphragm
Ring
(upper
range
spring
s only. See Figure 3)
8 Pressure
Plate
9 Ball
Bearing
10 Diaphragms
---------------------------
‡‡
11 Diaphragm
Gasket
------------------
‡‡
13 Flange
Bolts
17 Renewal
Unit
17.1
Piston
------------------------------
‡‡
17.2
Cylinder
----------------------------
‡‡
17.3 Piston Spring Button -----------
‡‡
19 Piston
o-ring
--------------------------
‡‡
20 Piston
Spring
-------------------------
‡‡
24 Pipe
Plug
7
8
9
4
17.3
10
19
Figure 3:
Basic Model 6987 - Metal Seat
Range Springs from 200 psig to 800 psig.
ITEMS NOT SHOWN
16 Name
Plate
‡‡
‡‡
‡‡