Cashco DA1 User Manual
Page 15
15
IOM-DA1
Item
No.
Description
1
Adjusting
Screw
2
Adjusting Screw Lock Nut
4
Spring
Chamber
5
Spring Follower (Button)
6
Range
Spring
7
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 Bolt Nuts
13
Piston-Guide
Bearing
14
Stem
Seals
14.1
Upper Stem Seal
14.2
Middle Stem Seal
14.3
Lower Stem Seal
15
Cage
Seal
16
Wiper
Seal
Item
No.
Description
17.1
Wiper
Washer
18
Cage Cap Screws
19
Cage
20
Valve
Plug
21
Seat
Ring
22
Lower Piston Spring (if supplied)
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
27.4 O-ring
Seal
27.5
Piston Ring Seal
27.6
Piston Ring Energizer
32
Internal Sensing Plug (External Sensing Only)
33
Internal Sensing Drilled Plug (Internal
Sensing
Only)
* Not required on 2" CS & SST Body Material.
** Reference Figure 1 for details of Item #27 - Dynamic Side Seal
Not Shown:
Item 66. Lays fl at on top of item 8, only used when I.D. of spring, item 6,
is too small to slip over item 7.
Model DA1
Composition Diaphragm
(w/Wiper Seal)
24
20
21
19
14.2
18
14.1
10
9
8
7
2
4
1
5
6
13
11
32 33
12
15
27
16
17.1
14.3
23