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Low temperature cut-off valve

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Low temperature cut-off valve

 

Low temperature cut-off valve for cryogenic liquid storage equipment management system, with a switch flexible, reliable sealing characteristics, can also be used to manage low-temperature and cryogenic systems in other media
Standard
Design and manufacture: JB / T7749-95
Structure length: GB / T12221-89
Connection terminal: GB / T9113-2000, HG20592-97, SH3406-96GB / T12224-89
Inspection and testing: JB / T7749-95
Performance Parameters

Model
DJ41Y-16
DJ41Y-16P
DJ41Y-25
DJ41Y-25P
DJ41Y-40
DJ41Y-40P
Working Pressure(MPa)
1.6
2.5
4.0
Temperature(℃)
-45
-101
-196
For medium
Liquefied natural gas, ethylene, propylene, the low temperature medium
Materials
Body, bonnet
LCB
LC3
LCB
LC3
LCB
LC3
Valve seat
Chrome-nickel steel + cobalt chromium tungsten
Stem
Chrome-nickel steel

 

The main dimensionsmm
H
WT
DN
L
D
D1
D2
b
z-φd
D0
–46℃
–101℃
–196℃
(Kg)
DJ41Y-16C/P/R DJ641Y-16C/P/R DJ9B41Y-16C/P/R
50
230
160
125
100
16
4-φ18
240
460
480
520
15
65
290
180
145
120
18
4-φ18
280
475
505
525
23
80
310
195
160
135
20
8-φ18
280
520
550
590
28
100
350
215
180
155
20
8-φ18
320
545
575
615
32
125
400
245
210
185
22
8-φ18
360
590
620
660
88
150
480
280
240
210
24
8-φ18
400
650
680
730
98
200
600
335
295
265
26
12-φ23
400
850
880
930
155
250
730
405
355
320
30
12-φ25
450
956
986
1036
425
300
850
460
410
375
30
12-φ25
500
1095
1125
1175
641
DJ41Y-25C/P/R DJ641Y-25C/P/R DJ9B41Y-25C/P/R
50
230
160
125
100
20
4-φ18
240
460
480
520
16
65
290
180
145
120
22
8-φ18
280
475
505
525
23
80
310
195
160
135
22
8-φ18
280
520
550
590
29
100
350
230
190
160
24
8-φ23
320
545
575
615
32
125
400
270
220
188
28
8-φ25
360
590
620
660
90
150
480
300
250
218
30
8-φ25
400
650
680
730
98
200
600
360
310
278
34
12-φ25
400
850
880
930
159
250
730
425
370
332
36
12-φ30
450
956
986
1036
436
300
850
485
430
390
40
16-φ30
500
1095
1125
1175
657
DJ41Y-40C/P/R DJ641Y-40C/P/R DJ9B41Y-40C/P/R
50
230
160
125
100
88
20
240
483
504
546
16
65
290
180
145
120
110
22
280
499
530
551
24
80
310
195
160
135
21
22
280
546
578
620
30
100
350
230
190
160
150
24
320
572
604
646
33
125
400
270
220
188
176
28
360
620
651
693
93
150
480
300
250
218
204
30
400
683
741
767
100
200
600
360
320
282
260
38
400
893
924
977
163
250
730
425
385
345
313
42
450
1004
1035
1088
447
300
850
485
450
408
364
46
500
1150
1181
1234
673

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