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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 |
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-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,
