Ball valve  Series
Stop valve  Series
Relief valve  Series
Oxygen valve  Series
Filter  Series
Vacuum valve  Series
 
　

Classification：Keep the valve warm

Trade names：



Direct current type keeps the stop valve warm
Type of the products: BJ45W
Norm of properties of product :

This valve is suitable for the pipeline of the chemical industry , chemical fertilizer trade , insert a set of intension and enter the steam and can prevent the medium crystallization .

Type
Nominal pressure PN (MPa)
Test pressure
Suitable temperature
Suitable medium
Pressure of the muff (MPa)
Shell
Seal
BJ45W-25P
2.5
3.75
2.75
≤ 200
Nitric acid
≤ 1.0
BJ45W-40P
4.0
6.0
4.4
BJ45W-64P
6.4
9.0
6.6
BJ45W-25R
2.5
3.75
2.75
Nitric acid
BJ45W-40R
4.0
3.0
4.4
BJ45W-64R
6.4
9.0
6.6

I type main external dimension and size of connecting (Model II flange is large grade) :

Nominal pressure PN
Nominal open DN directly
Size
L
D
D1
D2
D3
B1
fo
B
D6
3-G
Z- Φ d
H
H1
Do
2.5


4.0
15
170
105
75
55
35
8
4
16
51
3/8
4- Φ 14
250
262
120
20
190
115
85
65
42
8
4
16
58
3/8
4- Φ 14
292
308
140
25
210
135
100
78
50
8
4
18
66
3/8
4- Φ 18
340
375
160
32
230
145
110
85
60
8
4
18
76
1/2
4- Φ 18
338
375
160
40
260
160
125
100
72
8
4
20
88
1/2
4- Φ 18
360
386
160
50
300
180
145
120
94
8
4
22
110
1/2
8- Φ 18
410
450
240
65
340
195
160
135
105
8
4
22
121
1/2
8- Φ 18
440
485
240
80
380
230
190
160
128
11
4.5
24
150
1/2
8- Φ 23
540
600
280
100
430
270
220
188
154
11
4.5
28
176
1/2
8- Φ 25
560
625
320
125
490
300
250
218
182
11
4.5
30
204
1/2
8- Φ 25
625
737
360
150
550
330
280
248
212
11
4.5
32
204
1/2
12- Φ 25
720
790
360

Major part material :

Part name
Valve body , valve covering
Valve one
Spacer
BJ45W-25P , BJ45W-40P , BJ45W-64P
Chromium nickel titanium steel
Chromium nickel titanium steel + hard alloy
Polytetrafluoroethylene (PTFE)
BJ45W-25P , BJ45W-40P , BJ45W-64P
Chromium nickel molybdenum titanium steel
Chromium nickel molybdenum titanium steel + hard alloy
Polytetrafluoroethylene (PTFE)


　　　

 
       
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