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

Classification:Stop valve

Trade names:



Flange stop valve of stainless steel
Type of the products: J41W/Y

Main performance norm:

Type
Nominal pressure
Test pressure
Working temperature (degrees Centigrade)
Suitable medium
Mpa of intensity (water )
Seal (water ) the air (Mpa)
Seal (air ) Mpa low-voltagly
J41W-16P(R)
1.6
2.4
1.8
0.6
≤ 200
Nitric acid
J41W-25P(R)
2.5
3.8
2.8
0.6
≤ 200
Nitric acid
J41W-40P(R)
4.0
6.0
4.4
0.6
≤ 200
Nitric acid
J41W-64P(R)
6.4
9.6
7.0
0.6
≤ 200
Nitric acid


The material of the major part is explained:

Part name
Material
Q41W-16P-25P-40R
Q41W-16R-25P-40R
Valve body , valve covering
Chromium Nickel titanium steel
Chromium Nickel molybdenum titanium steel
Valve board
Valve stem
Valve stem nut
Aluminium iron bronze
Handwheel
Gray casting iron , can cast the wrought iron


Main external dimension :

Type
Nominal open DN directly
Size (mm)
L
D
D1
D2
H
b-f
Z- Φ d
Do
J41W-16P(R)
15
130
95
65
45
170
16-2
4-14
120
20
150
105
75
55
190
16-2
4-14
140
25
160
115
85
65
205
16-2
4-14
160
32
180
135
100
78
270
18-2
4-18
180
40
200
145
110
85
310
18-3
4-18
200
50
230
160
125
100
358
18-3
4-18
240
65
290
180
145
120
373
18-3
4-18
280
80
310
195
160
135
435
20-3
8-18
320
100
350
215
180
155
500
20-3
8-18
360
125
400
245
210
185
614
22-3
8-18
400
150
480
280
240
210
674
24-3
8-23
400
200
600
335
295
265
818
26-3
12-23
450
250
730
405
355
320
969
30-3
12-25
550

Type
Nominal open DN directly
Size (mm)
L
D
D1
D2
H
b-f
Z- Φ d
Do
J41W-25P(R)
15
130
95
65
45
233
16-2
4-14
120
20
150
105
75
55
275
16-2
4-14
140
25
160
115
85
65
285
16-2
4-14
160
32
180
135
100
78
302
18-2
4-18
180
40
200
145
110
85
355
18-3
4-18
200
50
230
160
125
100
362
20-3
4-18
240
65
290
180
145
120
400
22-3
8-18
280
80
310
195
160
135
430
22-3
8-18
320
100
350
230
190
160
465
24-3
8-23
360
125
400
270
220
188
550
28-3
8-25
400
150
480
300
250
218
700
30-3
8-25
400
200
600
360
310
278
780
34-3
12-25
450
250
730
425
370
335
900
36-3
12-30
550

Type
Nominal open DN directly
Size (mm)
L
D
D1
D2
H
b-f
Z- Φ d
Do
J41W-40P(R)
15
130
95
65
45
233
16-2
4-14
40
20
150
105
75
55
275
16-2
4-14
51
25
160
115
85
65
285
16-2
4-14
58
32
180
135
100
78
302
18-2
4-18
66
40
200
145
110
85
355
18-3
4-18
76
50
230
160
125
100
370
20-3
4-18
88
65
290
180
145
120
408
22-3
8-18
110
80
310
195
160
135
436
22-3
8-18
121
100
350
230
190
160
475
24-3
8-23
150
125
400
270
220
188
558
28-3
8-25
178
150
480
300
250
218
720
30-3
8-25
204
200
600
375
320
282
800
38-3
12-30
260
J41W-64P(R)
15
170
105
75
55
240
18-2
4-14
41
20
190
125
90
68
280
20-2
4-18
51
25
210
135
100
78
290
22-2
4-18
58
32
230
150
110
82
325
24-2
4-23
66
40
260
165
125
95
360
24-3
4-23
76
50
300
175
135
105
410
26-3
4-23
88
65
340
200
160
130
430
28-3
8-23
110
80
380
210
170
140
465
30-3
8-23
121
100
430
250
200
168
537
32-3
8-25
150
125
500
295
240
202
630
36-3
8-30
176
150
550
340
280
240
790
38-3
8-34
204
200
650
405
345
300
910
44-3
12-34
260


   

 
       
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