【焊接不锈钢旋启式止回阀厂家】不锈钢止回阀又称为逆流阀、逆止阀、背压阀、单向阀。这类阀门是靠管路中介质本身的流动产生的力而自动开启和关闭的,属于一种自动阀门
【焊接不锈钢旋启式止回阀厂家】主要外形尺寸和连接尺寸( mm)
Main external and connecting dimensions( mm) |
型号
Type
|
公称通径DN(mm)
NominalDiameter
|
尺寸(mm)Dimensions
|
L
|
D
|
D
|
D
|
Z-φd
|
b
|
H
|
H41W-16P(R)
H44W-16P(R)
|
15
|
130
|
95
|
65
|
45
|
4-φ14
|
14
|
77
|
20
|
150
|
105
|
75
|
55
|
4-φ14
|
14
|
77
|
25
|
160
|
115
|
85
|
65
|
4-φ14
|
16
|
80
|
32
|
180
|
135
|
100
|
78
|
4-φ18
|
16
|
85
|
40
|
200
|
145
|
110
|
85
|
4-φ18
|
16
|
95
|
50
|
230
|
160
|
125
|
100
|
4-φ18
|
16
|
105
|
65
|
290
|
180
|
145
|
120
|
4-φ18
|
18
|
120
|
80
|
310
|
195
|
160
|
135
|
8-φ18
|
20
|
130
|
100
|
350
|
215
|
180
|
155
|
8-φ18
|
20
|
140
|
125
|
400
|
245
|
210
|
185
|
8-φ18
|
22
|
155
|
150
|
480
|
280
|
240
|
210
|
8-φ23
|
24
|
180
|
200
|
600
|
335
|
295
|
265
|
12-φ23
|
26
|
215
|
H41W-25P(R)
H44W-25P
|
15
|
130
|
95
|
65
|
45
|
4-φ14
|
16
|
77
|
20
|
150
|
105
|
75
|
55
|
4-φ14
|
16
|
77
|
25
|
160
|
115
|
85
|
65
|
4-φ14
|
16
|
80
|
32
|
180
|
135
|
100
|
78
|
4-φ18
|
18
|
85
|
40
|
200
|
145
|
110
|
85
|
4-φ18
|
18
|
95
|
50
|
230
|
160
|
125
|
100
|
4-φ18
|
20
|
105
|
65
|
290
|
180
|
145
|
120
|
8-φ18
|
22
|
120
|
80
|
310
|
195
|
160
|
135
|
8-φ18
|
22
|
130
|
100
|
350
|
230
|
190
|
160
|
8-φ23
|
24
|
140
|
125
|
400
|
270
|
220
|
188
|
8-φ25
|
28
|
155
|
150
|
480
|
300
|
250
|
218
|
8-φ25
|
30
|
180
|
200
|
600
|
360
|
310
|
278
|
12-φ30
|
34
|
215
|
|