BH44H-16-DN15,BH44H-25-DN20,BH44H-40-DN32,BH44H-64-DN40,保温旋启式止回阀
产品概述：
保温止回阀主要用于石油、化工、冶金、制药等各类系统中，以输送常温下会凝固的高粘度介质。该系列阀门的夹套焊装于阀门的两法兰之间，阀门的侧面、底部设置有夹套的连接口。由于增加了夹套，此种阀门的连接法兰尺寸要比同一规格普通球阀的连接法兰大一到两个规格，但结构长度与同规格的阀门相同，夹套中可自由地流过蒸汽或其它热的保温介质，确保粘稠介质可顺畅地流过阀门。
标准规范：
|
设计与制造
|
配套法兰
|
试验与检验
|
|
ASME B16.34
GB/T12235、GB/T12236
|
ANSI B16.5、JB/T97
|
API598
JB/T9092
|
连接尺寸：
|
GB 1.6MPa
|
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
650
|
750
|
|
H
|
90
|
95
|
100
|
105
|
110
|
115
|
140
|
170
|
200
|
230
|
255
|
285
|
290
|
300
|
|
Wt
|
14
|
15
|
16
|
17
|
18
|
19
|
24
|
29
|
40
|
58
|
83
|
100
|
105
|
110
|
连接尺寸：
|
GB 2.5MPa
|
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
650
|
750
|
|
H
|
90
|
95
|
100
|
105
|
110
|
115
|
140
|
170
|
200
|
230
|
260
|
285
|
290
|
300
|
|
Wt
|
14
|
15
|
16
|
17
|
18
|
19
|
24
|
29
|
40
|
72
|
104
|
145
|
180
|
230
|
|
GB 4.0MPa
|
|
DN
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
L
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
650
|
750
|
|
H
|
120
|
140
|
150
|
160
|
175
|
200
|
225
|
260
|
315
|
320
|
300
|
|
Wt
|
9
|
12
|
15
|
20
|
33
|
41
|
73
|
104
|
147
|
180
|
230
|
|
GB 6.4MPa
|
|
DN
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
L
|
230
|
260
|
300
|
340
|
380
|
430
|
500
|
550
|
600
|
775
|
900
|
|
H
|
160
|
170
|
170
|
190
|
205
|
230
|
265
|
310
|
350
|
480
|
520
|
|
Wt
|
12
|
20
|
29
|
35
|
47
|
68
|
100
|
142
|
195
|
250
|
300
|
连接尺寸：
|
GB10.0MPa
|
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
650
|
750
|
|
H
|
90
|
95
|
100
|
105
|
110
|
115
|
140
|
170
|
200
|
230
|
255
|
285
|
290
|
300
|
|
Wt
|
14
|
15
|
16
|
17
|
18
|
19
|
24
|
29
|
40
|
58
|
83
|
100
|
105
|
110
|
|
GB 16.0MPa
|
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
650
|
750
|
|
H
|
90
|
95
|
100
|
105
|
110
|
115
|
140
|
170
|
200
|
230
|
260
|
290
|
290
|
300
|
|
Wt
|
14
|
15
|
16
|
17
|
18
|
19
|
24
|
29
|
40
|
72
|
104
|
180
|
180
|
230
|
BH44H-16-DN20,BH44H-16-DN25,BH44H-16-DN32,BH44H-16-DN40,BH44H-16-DN50,BH44H-16-DN65,
BH44H-16-DN80,BH44H-16-DN100,BH44H-16-DN125,BH44H-16-DN150,BH44H-16-DN200,BH44H-16-DN250,BH44H-16-DN300,
BH44H-25-DN15,BH44H-25-DN25,BH44H-25-DN32,CCLAIR,BH44H-25-DN40,BH44H-25-DN50,BH44H-25-DN65,
BH44H-25-DN80,BH44H-25-DN100,BH44H-25-DN125,BH44H-25-DN150,BH44H-25-DN200,BH44H-25-DN250,BH44H-25-DN300,
BH44H-40-DN15,BH44H-40-DN20,BH44H-40-DN25,BH44H-40-DN40,BH44H-40-DN50,BH44H-40-DN65,
BH44H-40-DN80,BH44H-40-DN100,BH44H-40-DN125,BH44H-40-DN150,BH44H-40-DN200,BH44H-40-DN250,BH44H-40-DN300,
BH44H-64-DN15,BH44H-64-DN20,BH44H-64-DN25,BH44H-64-DN32,BH44H-64-DN50,BH44H-64-DN65,
BH44H-64-DN80,BH44H-64-DN100,BH44H-64-DN125,BH44H-64-DN150,BH44H-64-DN200,BH44H-64-DN250,BH44H-64-DN300,
