详细介绍:
BJ45W直流式保温截止阀,不锈钢保温截止阀选型
直流式保温截止阀BJ45W的保温夹套焊装于阀门的两法兰之间,阀门的侧面、底部设置有保温夹套的两个连接口。直流保温截止阀特别适用于化工、化肥行业的管路上,夹套内涵入蒸汽能防止介质结晶。广泛应用于石油、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。
设计制造按GB12234-89 GB12234-89;
结构长度按GB12221-89 GB12221-89;
法兰尺寸按JB/T79-94 JB/779-94;
阀门检查和试验按GB13927。
保温截止阀主要性能规范
Chief Property And Specification
型号
Type
|
公称压力PN(MPa)
NominalPressure
|
试验压力PS(MPa)
Test Pressure
|
工作温度(℃)
Working Temperature
|
适用介质
Applicable Medium
|
工作蒸汽压力
Work steam Pressure
|
壳体Shell
|
密封Seal
|
BJ45(H.W.Y)-25P
|
2.5
|
3.75
|
2.75
|
≤200
|
尿素、硝酸类 Ureophil、Nitric Acid
|
≤1.3
|
BJ45(H.W.Y)-40P
|
4.0
|
6.0
|
4.4
|
BJ45(H.W.Y)-64P
|
6.4
|
9.0
|
6.6
|
尿素、醋酸类 Ureophil、Acetrc Acid
|
BJ45(H.W.Y)-25R
|
2.5
|
3.75
|
2.75
|
BJ45(H.W.Y)-40R
|
4.0
|
6.0
|
4.4
|
BJ45(H.W.Y)-64R
|
6.4
|
9.0
|
6.6
|
保温截止阀主要零件材料
Material for main parts
零件名称
Patr Name
|
阀体、阀盖
Body,Bonnet
|
阀瓣
Disc
|
垫片
Swat
|
BJ45(H.W.Y)-25P、BJ45W-40P、 BJ45W-64P
|
铬镍钛阀Cr.Ni.TI Steel
|
铬镍钛阀+硬质合金Cr.Ni.TI Steel+Carbide Alloy
|
聚四氟乙烯 Polytetrafluoroethylene
|
BJ45(H.W.Y)-25R、BJ45W-40R、 BJ45W-64R
|
铬镍钼钛阀Cr.Ni.Mo.TI Steel
|
铬镍钼钛阀+硬质合金Cr.Ni.Mo.TI Steel+Carbide Alloy
|
聚四氟乙烯 Polytetrafluoroethylene
|
保温截止阀主要外形尺寸和连接尺寸(mm)
Main external and connecting dinensions(mm)
公称压力PN(MPa)
Nominal Pressure
|
公称通径DN(mm)
Nominal Diameter
|
尺寸(mm)
Dimensions
|
L
|
D
|
D1
|
D2
|
D3
|
b1
|
f0
|
b
|
D6
|
3-G
|
Z-φd
|
H
|
H1
|
D0
|
2.5
4.0
|
15
|
170
|
105
|
75
|
55
|
35
|
8
|
4
|
16
|
51
|
3/8
|
|
250
|
262
|
120
|
20
|
190
|
115
|
85
|
65
|
42
|
8
|
4
|
16
|
58
|
3/8
|
|
292
|
308
|
140
|
25
|
210
|
135
|
100
|
78
|
50
|
8
|
4
|
18
|
66
|
3/8
|
|
340
|
375
|
160
|
32
|
230
|
145
|
110
|
85
|
60
|
8
|
4
|
18
|
76
|
1/2
|
|
338
|
375
|
160
|
40
|
260
|
160
|
125
|
100
|
72
|
8
|
4
|
20
|
88
|
1/2
|
|
360
|
386
|
160
|
50
|
300
|
180
|
145
|
120
|
94
|
8
|
4
|
22
|
110
|
1/2
|
|
410
|
450
|
240
|
65
|
340
|
195
|
160
|
135
|
105
|
8
|
4
|
22
|
121
|
1/2
|
|
440
|
485
|
240
|
80
|
380
|
230
|
190
|
160
|
128
|
11
|
4.5
|
24
|
150
|
1/2
|
|
540
|
600
|
280
|
100
|
430
|
270
|
220
|
188
|
154
|
11
|
4.5
|
28
|
176
|
1/2
|
|
560
|
625
|
320
|
125
|
490
|
300
|
250
|
218
|
182
|
11
|
4.5
|
30
|
204
|
1/2
|
|
625
|
737
|
360
|
150
|
550
|
330
|
280
|
248
|
212
|
11
|
4.5
|
32
|
|
1/2
|
|
720
|
790
|
360
|
6.4
|
25
|
235
|
160
|
125
|
82
|
50
|
8
|
4
|
22
|
|
1/2
|
|
340
|
375
|
160
|
32
|
260
|
165
|
125
|
88
|
60
|
8
|
4
|
24
|
|
1/2
|
|
358
|
383
|
160
|
50
|
300
|
200
|
160
|
130
|
|
|
4
|
26
|
110
|
1/2
|
|
410
|
450
|
240
|
65
|
340
|
210
|
170
|
140
|
|
|
4
|
30
|
121
|
1/2
|
|
485
|
510
|
240
|
100
|
430
|
270
|
220
|
188
|
154
|
11
|
4.5
|
36
|
|
1/2
|
|
610
|
470
|
400
|
100
|
415
|
300
|
250
|
218
|
|
|
4.5
|
32
|
150
|
1/2
|
|
610
|
670
|
400
|
|