Manual

IOM-DA5
14
Item No. Description
1 Adjusting Screw
2 Adjusting Screw Lock Nut
4 Spring Chamber
5 Spring Follower (Button)
6 Range Spring
7 Diaphragm Cap Screw or Diaphragm Lock Nut
8 Upper Diaphragm Pressure Plate
9 Diaphragm
9.1 Diaphragm (Material #1)
9.2 Diaphragm (Material #2)
9.9 Diaphragm TFE Cover
10 Lower Diaphragm Pusher Plate
11 Flange Bolts
12 * Flange Bolting Nuts
14 Stem Seal
14.1 Upper Stem Seal
14.2 Middle Stem Seal
15 Cage Seal
18 Cage Cap Screws
Item No. Description
19 Cage
20 Valve Plug
21 Lower Cage Gasket
23 Body
24 Lower Guide Bushing
26 Tap Plug (Not Shown)
27 Dynamic Side Seal
27.1 TFE Cap Seal
27.2 O-ring Energizer/Seal
27.3 U-cup with Metal Energizer
27.5 Piston Ring Seal
27.6 Piston Ring Energizer
28 Seat Disc
29 Seat Disc Washer
30 Seat Disc Nut
32 Internal Sensing Plug (External Sensing Only)
33 Internal Sensing Drilled Plug (Internal
Sensing Only)
99 Nameplate (Not Shown)
* Not required on 2" CS & SST Body Material.
Figure 4
Composition Diaphragm
FTO – Flow to Open
Reverse Flow Direction (Most Common)