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Service and Repair
Parallel Slide Gate Valve Class 150
Fig. M2131
   
 
COMPONENT MATERIAL
BODY CAST STEEL - A216 WCB
BONNET CAST STEEL - A216 WCB
SEATS NICKEL ALLOY/STELLITE
DISCS NICKEL ALLOY/STELLITE
STEM STAINLESS STEEL
GLAND BRONZE
SCREWED SLEEVE BRONZE
HANDWHEEL CAST IRON
     
  Technical Description of Standard Valves  
     
 
SIZE
A
D
E
WEIGHT
mm
ins
mm
ins
mm
ins
mm
ins
kg
50
2
178
7
405
16
205
8
23
65
2 1/2
190
7 1/2
480
19
205
8
28.5
80
3
203
8
510
20
230
9
33
100
4
229
9
605
24
280
11
49
125
5
254
10
685
27
280
11
62
150
6
267
10 1/2
815
32
345
13 1/2
84
200
8
292
11 1/2
1085
42 3/4
420
16 1/2
153
250
10
330
13
1320
52
510
20
239
300
12
356
14
1500
59
560
22
305
350
14
381
15
1690
66 1/2
610
24
410
400
16
406
16
1900
74 7/8
610
24
504
450
18
432
17
2120
83 1/2
710
28
656
500
20
457
18
2280
89 3/4
710
28
806
600
24
508
20
2750
108 1/4
710
28
1268
   
  PRESSURE TEMPERATURE RATING TO BS. 10 TABLE 'F'
   
 
TEMP °C
WORKING
PRESSURE BAR
-20
38
19.7
-
50
19.3
-
100
17.7
-
150
15.8
-
200
14
-
250
12.1
-
300
10.2
 
350
8.4
 
375
7.4
 
400
6.5
-
425
5.6

Cast steel body and cover, outside screw rising stem,
non-rising handwheel.

Flanged to ANSI, BS. or European standards.
Fitted with closure indicator as standard.

We recommend a bypass on 12in (300mm) size and above.
Can be fitted with a locking device if required.