低溫截止閥適用于低溫液體貯運設備的管理系統，具有開關靈活、密封可靠的特點，也可用于其他低溫和深冷介質的管理系統
結構圖：
執行標準：
設計與制造：JB/T7749-95
結構長度：GB/T12221-89
連接端：GB/T9113-2000，HG20592-97，SH3406-96GB/T12224-89
檢驗與試驗：JB/T7749-95
性能參數：
|
型號
|
DJ41Y-16
|
DJ41Y-16P
|
DJ41Y-25
|
DJ41Y-25P
|
DJ41Y-40
|
DJ41Y-40P
|
|
工作壓力（MPa）
|
1.6
|
2.5
|
4.0
|
|
適用溫度（℃）
|
-45
|
-101
|
-196
|
|
適用介質
|
液化天然氣、乙烯、丙烯等低溫介質
|
|
材料
|
閥體、閥蓋
|
LCB
|
LC3
|
LCB
|
LC3
|
LCB
|
LC3
|
|
閥瓣、閥座
|
鉻鎳鋼＋鈷鉻鎢
|
|
閥桿
|
鉻鎳鋼
|
主要外形尺寸和連接尺寸：
|
公稱通徑
|
主要外形尺寸和連接尺寸
|
H
|
|
L
|
D
|
D1
|
D2
|
b
|
Z-d
|
D0
|
-46℃
|
-101℃
|
-196℃
|
|
DJ41Y-16C DJ41Y-16P DJ41Y-16R DJ641Y-16C DJ641Y-16P DJ641Y-16R DJ9B41Y-16C DJ9B41Y-16P DJ9B41Y-16R
|
|
50
|
230
|
160
|
125
|
100
|
16
|
4-18
|
240
|
460
|
480
|
520
|
|
65
|
290
|
180
|
145
|
120
|
18
|
4-18
|
280
|
475
|
505
|
525
|
|
80
|
310
|
195
|
160
|
135
|
20
|
8-18
|
280
|
520
|
550
|
590
|
|
100
|
350
|
215
|
180
|
155
|
20
|
8-18
|
320
|
545
|
575
|
615
|
|
125
|
400
|
245
|
210
|
185
|
22
|
8-18
|
360
|
590
|
620
|
660
|
|
150
|
480
|
280
|
240
|
210
|
24
|
8-23
|
400
|
650
|
650
|
730
|
|
200
|
600
|
335
|
295
|
265
|
26
|
12-23
|
400
|
850
|
850
|
930
|
|
250
|
730
|
405
|
355
|
320
|
30
|
12-25
|
450
|
956
|
986
|
1036
|
|
300
|
850
|
460
|
410
|
375
|
30
|
12-25
|
500
|
1095
|
1125
|
1175
|
|
DJ41Y-25 DJ41Y-25P DJ41Y-25R DJ641Y-25C DJ641Y-25P DJ641Y-25R DJ9B41Y-25C DJ9B41Y-25P DJ9B41Y-25R
|
|
50
|
230
|
160
|
125
|
100
|
20
|
4-18
|
240
|
460
|
480
|
520
|
|
65
|
290
|
180
|
145
|
120
|
22
|
8-18
|
280
|
475
|
505
|
525
|
|
80
|
310
|
195
|
160
|
135
|
22
|
8-18
|
280
|
520
|
550
|
590
|
|
100
|
350
|
230
|
190
|
160
|
24
|
8-23
|
320
|
545
|
575
|
615
|
|
125
|
400
|
270
|
220
|
188
|
28
|
8-25
|
360
|
590
|
620
|
660
|
|
150
|
480
|
300
|
250
|
218
|
30
|
8-25
|
400
|
650
|
680
|
730
|
|
200
|
600
|
360
|
310
|
278
|
34
|
12-25
|
400
|
850
|
880
|
930
|
|
250
|
730
|
425
|
370
|
332
|
36
|
12-30
|
450
|
956
|
986
|
1036
|
|
300
|
850
|
485
|
430
|
390
|
40
|
16-30
|
500
|
1095
|
1125
|
1175
|
|
DJ41Y-40 DJ41Y-40P DJ41Y-40R DJ641Y-40C DJ641Y-40P DJ641Y-40R DJ9B41Y-40C DJ9B41Y-40P DJ9B41Y-40R
|
|
50
|
230
|
160
|
125
|
100
|
20
|
-
|
240
|
483
|
504
|
546
|
|
65
|
290
|
180
|
145
|
120
|
22
|
-
|
280
|
499
|
530
|
551
|
|
80
|
310
|
195
|
160
|
135
|
22
|
-
|
280
|
546
|
578
|
620
|
|
100
|
350
|
230
|
190
|
160
|
24
|
-
|
320
|
572
|
604
|
646
|
|
125
|
400
|
270
|
220
|
188
|
28
|
-
|
360
|
620
|
61
|
693
|
|
150
|
480
|
300
|
250
|
218
|
30
|
-
|
400
|
683
|
741
|
767
|
|
200
|
600
|
360
|
320
|
282
|
38
|
-
|
400
|
893
|
924
|
977
|
|
250
|
730
|
425
|
385
|
345
|
42
|
-
|
450
|
1004
|
1035
|
1088
|
|
300
|
850
|
485
|
450
|
408
|
46
|
-
|
500
|
1150
|
1181
|
1234
|
|
展會合作:
