The opening and closing parts of the J41H, J41Y, J41W national standard stainless steel globe valves are cylindrical flaps, the sealing surface is flat or conical, and the flaps move linearly along the center line of the fluid. The national standard cut-off valve is only suitable for full opening and full closing. It is generally not used to adjust the flow rate. It is allowed to be adjusted and throttled when customized.
Product Usage
The opening and closing parts of the J41H, J41Y, J41W national standard stainless steel globe valves are cylindrical flaps, the sealing surface is flat or conical, and the flaps move linearly along the center line of the fluid. The national standard cut-off valve is only suitable for full opening and full closing. It is generally not used to adjust the flow rate. It is allowed to be adjusted and throttled when customized.
Features
1. The structure is simple, the manufacture and maintenance are more convenient
2. Small working schedule and short opening and closing time
3. Good sealing performance, low friction between sealing surfaces and long service life
Executive Standards
Design specification: GB / T 12235
Structure length: GB / T 12221
Flange connection: JB / T 79
Test and inspection: JB / T 9002
Product identification: GB / T 12220
Supply specification: JB / T 7928
Main appearance and connection dimensions
Nominal diameter
Main external dimensions and connection dimensions
L
D
D1
D2
b
Z-d
H
D0
J41H-16C
15
130
95
65
45
14-2
4-Φ14
170
120
20
150
105
75
55
14-2
4-Φ14
190
140
25
160
115
85
65
14-2
4-Φ14
205
160
32
180
135
100
78
16-2
4-Φ18
270
180
40
200
145
110
85
16-3
4-Φ18
310
200
50
230
160
125
100
16-3
4-Φ18
358
240
65
290
180
145
120
18-3
4-Φ18
373
240
80
310
195
160
135
20-3
8-Φ18
435
280
100
350
215
180
155
20-3
8-Φ18
500
300
125
400
245
210
185
22-3
8-Φ18
614
320
150
480
280
240
210
24-3
8-Φ23
674
360
200
600
335
295
265
26-3
12-Φ23
811
400
250
650
405
355
320
30-3
12-Φ25
969
450
300
750
460
410
375
30-3
12-Φ25
1145
580
350
850
520
470
435
34-4
16-Φ25
1280
640
400
980
580
525
485
36-4
16-Φ30
1452
640
J41H-25C
15
130
95
65
45
16-2
4-Φ14
170
120
20
150
105
75
55
16-2
4-Φ14
190
140
25
160
115
85
65
16-2
4-Φ14
205
160
32
180
135
100
78
18-2
4-Φ18
270
180
40
200
145
110
85
18-3
4-Φ18
310
200
50
230
160
125
100
20-3
4-Φ18
358
240
65
290
180
145
120
22-3
8-Φ18
373
240
80
310
195
160
135
22-3
8-Φ18
435
280
100
350
230
190
160
24-3
8-Φ23
500
300
125
400
270
220
188
28-3
8-Φ25
614
320
150
480
300
250
218
30-3
8-Φ25
674
360
200
600
360
310
278
34-3
12-Φ25
811
400
250
650
425
370
332
36-3
12-Φ30
969
450
300
750
485
430
390
40-4
16-Φ30
1145
580
350
850
550
490
448
44-4
16-Φ34
1280
640
400
980
610
550
505
48-4
16-Φ34
1452
640
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