气动保温球阀
|
一、主要外形和连接尺寸
|
|
通径DN
|
d
|
G
|
A
|
B
|
L
|
D
|
K
|
D1
|
n-Md
|
f
|
H
|
W
|
|
mm
|
in
|
BQ73
|
BQ74
|
|
15
|
1/2″
|
14
|
G1/2″
|
150
|
15
|
35
|
90
|
65
|
46
|
4-12
|
4-14
|
2
|
170
|
140
|
|
20
|
3/4″
|
19
|
G1/2″
|
160
|
20
|
38
|
100
|
75
|
56
|
4-12
|
4-14
|
2
|
175
|
140
|
|
25
|
1″
|
25
|
G1/2″
|
190
|
20
|
42
|
110
|
85
|
65
|
4-12
|
4-14
|
2
|
180
|
140
|
|
32
|
1 1/4″
|
29
|
G1/2″
|
210
|
25
|
50
|
135
|
100
|
76
|
4-16
|
4-14
|
2
|
215
|
164
|
|
40
|
1 1/2″
|
38
|
G1/2″
|
230
|
30
|
60
|
145
|
110
|
84
|
4-16
|
4-18
|
2
|
225
|
164
|
|
50
|
2″
|
48
|
G1/2″
|
250
|
30
|
70
|
160
|
125
|
99
|
4-16
|
4-18
|
3
|
248
|
190
|
|
65
|
2 1/2″
|
64
|
G1/2″
|
270
|
45
|
95
|
180
|
145
|
118
|
4-16
|
|
3
|
258
|
210
|
|
80
|
3″
|
76
|
G1/2″
|
300
|
50
|
118
|
195
|
160
|
132
|
8-16
|
|
3
|
300
|
247
|
|
100
|
4″
|
95
|
G1″
|
340
|
70
|
140
|
215
|
180
|
156
|
8-16
|
|
3
|
315
|
276
|
|
BQ673法兰为螺纹孔，BQ674法兰为光孔。
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气动固定球阀