
S200 Series
5
50A9455
50A9457
Type S201 and S202 Parts List
Key Description
1 Spring Case
2 Spring
3 Adjusting Screw
4 Closing Cap
5 Closing Cap Gasket
6 Upper/Lower Spring Seat
7A Diaphragm
7B Diaphragm Head
8 Pusher Post
9 Lower Casing Assembly
10 Lever
11 Pin
12 Machine Screw
13 Valve Stem Assembly
14 Cap Screw
15 Hex Nut
16 Disk Holder Assembly
17 Diaphragm Plate
18 Cap Screw
19 O-Ring
20 Seat Ring
21 Body
24 Cap Screw
25 Relief Valve Spring
32 Nameplate
46 Pipe Plug
53 Hex Nut
55 Flapper Stem
56 Lower Flapper
57 Upper Flapper
58 Seat Ring
59 Self-Tapping Screw
60 Spring
61 Screen
62 Snap Ring
Figure 2. Type S202 Assembly
Figure 3. Type S206 Assembly
Type S204 and S206 Parts List
Key Description
1 Spring Case
2 Spring
3 Adjusting Screw
4 Closing Cap
5 Closing Cap Gasket
6 Lower Spring Seat
7 Diaphragm & Head Assembly
7A Diaphragm
8 Pusher Post (S204)
8 Ball Stem Assembly (S206)
9 Lower Casing Assembly
10 Lever
11 Pin
12 Machine Screw
13 Valve Stem Assembly
14 Cap Screw
15 Hex Nut
16 Disk Holder Assembly
18 Cap Screw
19 O-Ring
20 Seat Ring
21 Body
24 Reset Stem
25 Relief Valve Spring (S206)
26 Back Disk Spring
27 Back Disk Holder
28 Disk Spacer
32 Nameplate
33 Valve Stem
34 Gasket
55 Flapper Stem
56 Lower Flapper
57 Upper Flapper
58 Seat Ring
59 Self-Tapping Screw
60 Spring
61 Screen
62 Snap Ring
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