法兰连接止回阀
●设计与制造符合中国国家标准
●基本结构形式:升降立式
●公称压力 PN0.6~2.5(MPa)
●公称通径 DN15~500(mm)
●主要材料见表A15
●基本型号H42F3 H42F46
遵循规范
|
STANDARD
|
设计与规范 Design
|
GB 12224
|
结构长度 Face to face
|
Q/DFL-02-99
|
法兰尺寸 End flange
|
JB 78/JB 79(GB HG SH)
|
压力试验 Test
|
GB/T 13927
|
标志 Symbol
|
GB 12220
|
供货 Supply
|
GB/T 12252
|
【主要连接尺寸及重量】 Dimensions and weights
公称通径
|
标准值
|
参考值
|
||||||||
DN
(mm)
|
NPS
(inch)
|
L
|
D
|
D1
|
D2
|
f
|
b
|
Z-φd
|
W(kg)
|
|
PN0.6(MPa)
|
||||||||||
15
|
1/2
|
80
|
80
|
55
|
40
|
2
|
12
|
4-φ14
|
2.5
|
|
20
|
3/4
|
90
|
90
|
65
|
50
|
2
|
14
|
4-φ14
|
3.5
|
|
25
|
1
|
100
|
100
|
75
|
60
|
2
|
14
|
4-φ14
|
4
|
|
32
|
11/4
|
110
|
120
|
90
|
70
|
2
|
16
|
4-φ18
|
5
|
|
40
|
11/2
|
125
|
130
|
100
|
80
|
3
|
16
|
4-φ18
|
6
|
|
50
|
2
|
140
|
140
|
110
|
90
|
3
|
16
|
4-φ18
|
8
|
|
65
|
21/2
|
160
|
160
|
130
|
110
|
3
|
16
|
4-φ18
|
10
|
|
80
|
3
|
185
|
185
|
150
|
125
|
3
|
18
|
8-φ18
|
13
|
|
100
|
4
|
210
|
205
|
170
|
145
|
3
|
18
|
8-φ18
|
25
|
|
150
|
6
|
300
|
260
|
225
|
200
|
3
|
20
|
8-φ23
|
46
|
|
200
|
8
|
380
|
315
|
280
|
255
|
3
|
22
|
12-φ23
|
100
|
|
250
|
10
|
356
|
370
|
335
|
310
|
3
|
24
|
12-φ23
|
155
|
|
300
|
12
|
457
|
435
|
395
|
362
|
4
|
24
|
12-φ23
|
180
|
|
350
|
14
|
533
|
485
|
445
|
412
|
4
|
26
|
16-φ23
|
220
|
|
400
|
16
|
572
|
535
|
495
|
462
|
4
|
28
|
16-φ23
|
275
|
|
450
|
18
|
610
|
590
|
550
|
518
|
4
|
28
|
16-φ23
|
300
|
|
500
|
20
|
610
|
640
|
600
|
568
|
4
|
30
|
16-φ23
|
392
|
【主要连接尺寸及重量】 Dimensions and weights
公称通径
|
标准值
|
参考值
|
||||||||
DN
(mm)
|
NPS
(inch)
|
L
|
D
|
D1
|
D2
|
f
|
b
|
Z-φd
|
W(kg)
|
|
PN1.0(MPa)
|
||||||||||
15
|
1/2
|
80
|
95
|
65
|
45
|
2
|
14
|
4-φ14
|
2.5
|
|
20
|
3/4
|
90
|
105
|
75
|
55
|
2
|
16
|
4-φ14
|
3.5
|
|
25
|
1
|
100
|
115
|
85
|
65
|
2
|
16
|
4-φ14
|
4
|
|
32
|
11/4
|
110
|
135
|
100
|
78
|
2
|
18
|
4-φ18
|
5
|
|
40
|
11/2
|
125
|
145
|
110
|
85
|
3
|
18
|
4-φ18
|
6
|
|
50
|
2
|
140
|
160
|
125
|
100
|
3
|
20
|
4-φ18
|
8
|
|
65
|
21/2
|
160
|
180
|
145
|
120
|
3
|
20
|
4-φ18
|
10
|
|
80
|
3
|
185
|
195
|
160
|
135
|
3
|
22
|
4-φ18
|
13
|
|
100
|
4
|
210
|
215
|
180
|
155
|
3
|
22
|
8-φ23
|
25
|
|
150
|
6
|
300
|
280
|
240
|
210
|
3
|
24
|
8-φ23
|
46
|
|
200
|
8
|
380
|
335
|
295
|
265
|
3
|
26
|
8-φ23
|
100
|
|
250
|
10
|
356
|
390
|
350
|
320
|
3
|
28
|
12-φ23
|
155
|
|
300
|
12
|
457
|
440
|
400
|
368
|
4
|
28
|
12-φ23
|
180
|
|
350
|
14
|
533
|
500
|
460
|
428
|
4
|
30
|
16-φ23
|
220
|
|
400
|
16
|
572
|
565
|
515
|
482
|
4
|
32
|
16-φ23
|
275
|
|
450
|
18
|
610
|
615
|
565
|
532
|
4
|
32
|
20-φ23
|
300
|
|
500
|
20
|
610
|
670
|
620
|
585
|
4
|
34
|
20-φ23
|
392
|
|
【主要连接尺寸及重量】 Dimensions and weights
公称通径
|
标准值
|
参考值
|
||||||||
DN
(mm)
|
NPS
(inch)
|
L
|
D
|
D1
|
D2
|
f
|
b
|
Z-φd
|
W(kg)
|
|
PN1.6(MPa)
|
||||||||||
15
|
1/2
|
80
|
95
|
65
|
45
|
2
|
14
|
4-φ14
|
2.5
|
|
20
|
3/4
|
90
|
105
|
75
|
55
|
2
|
16
|
4-φ14
|
3.5
|
|
25
|
1
|
100
|
115
|
85
|
65
|
2
|
16
|
4-φ14
|
4
|
|
32
|
11/4
|
110
|
135
|
100
|
78
|
2
|
18
|
4-φ18
|
5
|
|
40
|
11/2
|
125
|
145
|
110
|
85
|
3
|
18
|
4-φ18
|
6
|
|
50
|
2
|
140
|
160
|
125
|
100
|
3
|
20
|
4-φ18
|
8
|
|
65
|
21/2
|
160
|
180
|
145
|
120
|
3
|
20
|
4-φ18
|
10
|
|
80
|
3
|
185
|
195
|
160
|
135
|
3
|
22
|
8-φ18
|
13.5
|
|
100
|
4
|
210
|
215
|
180
|
155
|
3
|
24
|
8-φ18
|
28.5
|
|
150
|
6
|
300
|
280
|
240
|
210
|
3
|
28
|
8-φ23
|
48
|
|
200
|
8
|
380
|
335
|
295
|
265
|
3
|
30
|
12-φ23
|
105
|
|
250
|
10
|
356
|
405
|
355
|
320
|
3
|
32
|
12-φ25
|
165
|
|
300
|
12
|
457
|
460
|
410
|
375
|
4
|
34
|
12-φ25
|
195
|
|
350
|
14
|
533
|
520
|
470
|
435
|
4
|
38
|
16-φ25
|
238
|
|
400
|
16
|
572
|
580
|
525
|
485
|
4
|
40
|
16-φ30
|
295
|
|
【主要连接尺寸及重量】 Dimensions and weights
公称通径
|
标准值
|
参考值
|
||||||||
DN
(mm)
|
NPS
(inch)
|
L
|
D
|
D1
|
D2
|
f
|
b
|
Z-φd
|
W(kg)
|
|
PN2.5(MPa)
|
||||||||||
15
|
1/2
|
80
|
95
|
65
|
45
|
2
|
14
|
4-φ14
|
3
|
|
20
|
3/4
|
90
|
105
|
75
|
55
|
2
|
16
|
4-φ14
|
4
|
|
25
|
1
|
110
|
115
|
85
|
65
|
2
|
16
|
4-φ14
|
5
|
|
32
|
11/4
|
125
|
135
|
100
|
78
|
2
|
18
|
4-φ18
|
8.5
|
|
40
|
11/2
|
145
|
145
|
110
|
85
|
3
|
18
|
4-φ18
|
9.8
|
|
50
|
2
|
160
|
160
|
125
|
100
|
3
|
20
|
4-φ18
|
17
|
|
法兰连接止回阀
●设计与制造符合中国国家标准
●基本结构形式:升降立式(新型)
●公称压力 PN0.6~1.0(MPa)
●公称通径 DN25~150(mm)
●主要零部件除阀瓣为整体F3或F46外其它材料见表A15
●基本型号H40F3 H40F46
遵循规范
|
STANDARD
|
设计与规范 Design
|
GB 12224
|
结构长度 Face to face
|
Q/DFL-03-99(企业标准)
|
法兰尺寸 End flange
|
JB 78/JB 79(GB HG SH)
|
压力试验 Test
|
GB/T 13927
|
标志 Symbol
|
GB 12220
|
供货 Supply
|
GB/T 12252
|
【主要连接尺寸及重量】 Dimensions and weights
公称通径
|
标准值
|
参考值
|
|||||||||
DN
(mm)
|
NPS
(inch)
|
L
|
D
|
D1
|
D2
|
f
|
b
|
Z-φd
|
B
|
W(kg)
|
|
PN0.6(MPa)
|
|||||||||||
25
|
1
|
152
|
100
|
75
|
60
|
2
|
14
|
4-φ12
|
135
|
4
|
|
40
|
11/2
|
178
|
130
|
100
|
80
|
3
|
16
|
4-φ14
|
170
|
6
|
|
50
|
2
|
178
|
140
|
110
|
90
|
3
|
16
|
4-φ14
|
190
|
8
|
|
65
|
21/2
|
190
|
160
|
130
|
110
|
3
|
16
|
4-φ14
|
210
|
10
|
|
80
|
3
|
203
|
185
|
150
|
125
|
3
|
18
|
4-φ18
|
235
|
13
|
|
100
|
4
|
267
|
205
|
170
|
145
|
3
|
18
|
4-φ18
|
300
|
25
|
|
150
|
6
|
394
|
260
|
225
|
200
|
3
|
20
|
8-φ18
|
440
|
46
|
|
【主要连接尺寸及重量】 Dimensions and weights
公称通径
|
标准值
|
参考值
|
|||||||||
DN
(mm)
|
NPS
(inch)
|
L
|
D
|
D1
|
D2
|
f
|
b
|
Z-φd
|
B
|
W(kg)
|
|
PN1.0(MPa)
|
|||||||||||
25
|
1
|
152
|
115
|
85
|
65
|
2
|
16
|
4-φ14
|
135
|
6.8
|
|
40
|
11/2
|
178
|
145
|
110
|
85
|
3
|
18
|
4-φ18
|
170
|
11.5
|
|
50
|
2
|
178
|
160
|
125
|
100
|
3
|
20
|
4-φ18
|
190
|
15
|
|
65
|
21/2
|
190
|
180
|
145
|
120
|
3
|
20
|
4-φ18
|
210
|
20
|
|
80
|
3
|
203
|
195
|
160
|
135
|
3
|
22
|
4-φ18
|
235
|
23
|
|
100
|
4
|
267
|
215
|
180
|
155
|
3
|
22
|
8-φ18
|
300
|
44
|
|
150
|
6
|
394
|
280
|
240
|
210
|
3
|
24
|
8-φ23
|
440
|
95
|