172-65174MA-11 (COSR Pressure Reducing Valve) 16 Feb 2022
8
No.
Name
A
*
B
*
C
*
D
*
E
*
No.
Name
A
*
B
*
C
*
D
*
E
*
1 Main Body
16 Spring Housing
2 Cover Plug**
17 Adjustment Screw
3 Main Valve Seat
18 Spanner Cap
4 Main Valve
19 Plug
– Sensing Line Port
5 Main Valve Holder
20 Lower Pilot Body Gasket
6 Piston
21 Cover Plug Gasket
7 Cylinder
22 Main Valve Seat Gasket
8 Pilot Body
23 Pilot Screen Holder
Gasket
9 Pilot Valve
24 Pilot Valve Seat Gasket
10 Pilot Valve Seat
25 Upper Pilot Body Gasket
11 Diaphragm
26 Cylinder Gasket
12 Pilot Screen
27 Piston Ring
13 Pilot Screen Holder
28 Tension Ring
14 Diaphragm Support
29 Main Valve Spring
15 Coil Spring
30 Pilot Valve Spring
*Replacement parts are available only in the following kits:
A = Maintenance Kit
B = Repair Kit for Main Valve
C = Repair Kit for Piston
D = Repair Kit for Piston Rings
E = Repair Kit for Pilot Valve
**Size 15 mm for COSR-3 is not available