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Service and Repair
 
Globe Non-Return Valve Union Bonnet Type Fig. 446
     
 
COMPONENT MATERIAL
BODY BRONZE
COVER BRONZE
SEAT NICKEL ALLOY
VALVE HEAD NICKEL ALLOY
   
  Technical Description of Standard Valves  
       
 
SIZE
A
D
WEIGHT
mm
ins
mm
ins
mm
ins
kg
6
1/4
65
2 9/16
37
1 7/16
0.4
10
3/8
65
2 9/16
37
1 7/16
0.4
15
1/2
70
2 3/4
53
2 1/8
0.8
20
3/4
83
3 1/4
53
2 1/8
1.1
25
1
102
4
57
2 1/4
1.6
32
1 1/4
113
4 7/16
67
2 5/8
2.5
40
1 1/2
130
5 1/8
76
3
3.4
50
2
149
5 7/8
86
3 3/8
5.4
 
       
  Pressure Temperature Ratings    
       
 
TEMP °C
WORKING
PRESSURE BAR
-10
120
40.0
-
150
38.5
-
170
35.5
-
180
34.0
-
186
32.8
-
198
30.4
-
200
30.0
-
220
25.5
-
250
19.5
-
260
17.5
Cast Bronze Body and Cover, Nickel Alloy Seat and Valve Head
Screwed Ends to Customers Order

VALVE SHOULD BE INSTALLED SO VALVE HEAD LIFTS VERTICALLY UPWARDS