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CAST IRON BS BALL VALVE
 
Main Parameter Specification
Design and manufacture: ANSI B16.1
Face to face: BS4460
End flange dimensions: BS4504
Nominal pressure: 1.6Mpa
Pressure test: ISO5208
  Main parts and materials
NO.
Part Name
Material
1
Body
Cast iron(BS1452 220)
2
Bonnet
Cast iron(BS1452 220)
3
Nut
Carbon steel
4
Bolting
Carbon steel
5
Ball
Stainless steel(304 or 420)
6
Seat
PTFE
7
Gasket
PTFE
8
Stem
Stainless steel(304 or 420)
9
Stem Packing
PTFE
10
Gland flange
Cast iron(BS1452 220)
11
Gland bolt
Carbon steel
12
Stop collar
Carbon steel
13
Lever
Ductile iron
14
Circlip
Carbon steel
SIZE(inch)
DN
d
L
L2
H
W
D
C
R
b
N-h
f
1/2"
15
15
108
78
130
95
65
45
14
4-φ14
2
3/4"
20
20
117
113
130
105
75
58
16
4-φ14
2
1"
25
25
127
107
160
115
85
68
16
4-φ14
2
1 1/4"
32
32
140
113
160
140
100
78
18
4-φ18
2
1 1/2"
40
40
165
130
250
150
110
88
18
4-φ18
3
2"
50
50
203
178
146
250
165
125
102
20
4-φ18
3
2 1/2"
65
65
222
190
176
350
185
145
122
20
4-φ18
3
3"
80
80
241
203
222
350
200
160
138
22
8-φ18
3
4"
100
100
305
229
222
400
220
180
158
24
8-φ18
3
5"
125
125
356
250
400
250
210
188
26
8-φ18
3
6"
150
150
394
275
600
285
240
212
26
8-φ22
3
8"
200
200
457
กก
กก
340
295
268
30
12-φ22
3
 

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