J41H, J41Y, J41W Stainless steel flange cut-off valve is the opening and closing pieces of cylindrical valve, the sealing surface was flat or cone, the valve along the fluid center line for linear motion. GB stop valve only applies to fully open and fully closed, generally not used to regulate the flow, custom made to allow for regulation and throttling.
Product Usage
J41H, J41Y, J41W national standard stainless steel globe valve. Its opening and closing part is a cylindrical valve flap, the sealing surface is flat or conical, and the valve flap moves 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 can 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
Implementation Standards
Design specifications: GB / T 12235
Structure length: GB / T 12221
Flange connection: JB / T 79
Test and inspection: JB / T 9002
Product Identification: GB / T 12220
Delivery specifications: JB / T 7928
Performance parameters
|
model |
J41H-16C～160C |
J41Y-16C～160C |
J41W-16P～160P |
|
|
Work pressure（MPa） |
1.6～16.0 |
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|
proper temperature（℃） |
≤425 |
≤150 |
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|
Suitable media |
Water, steam, oil |
Weak corrosive medium |
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|
material |
Body, bonnet |
Carbon steel |
Chrome nickel-titanium stainless steel |
|
|
Valve stem |
Chrome stainless steel |
Chrome nickel-titanium stainless steel |
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|
Sealing surface |
Surfacing iron-based alloys |
Hardfacing alloy |
Body material |
|
|
filler |
Asbestos graphite, flexible graphite, PTFE |
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The main shape and connection dimensions
|
Nominal diameter |
The main dimensions and connection dimensions |
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|
L |
D |
D1 |
D2 |
b |
Z-d |
H |
D0 |
|
|
J41H-16C |
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|
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 |
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|
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 |
Structure picture
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