一、產品[低溫截止閥]的詳細資料:
產品名稱：低溫截止（節流）閥
二、執行標準：
|
設計與制造
|
結構長度
|
浩蘭尺寸
|
壓力-溫度
|
試驗-檢驗
|
|
JB/T7749
|
GB12221
|
JB79
|
GB9131
|
JB/T9092
|
三、壓力試驗：
|
公稱壓力PN
|
1.6
|
2.5
|
4.0
|
|
強度試驗
|
2.4
|
3.8
|
6.0
|
|
水密封試驗
|
1.8
|
2.8
|
4.4
|
|
上密封試驗
|
1.8
|
2.8
|
4.4
|
|
氣密封試驗
|
0.4-0.7
|
四、主要零件材料及性能：
|
體蓋板
|
閥桿
|
密封面
|
墊片
|
埴料
|
工作溫度℃
|
適用介質
|
|
LCB
|
1Cr17Ni12
|
DTL/DTL
|
1Cr13/柔性石墨低溫石棉
|
PTFE
浸四氟乙
烯石棉繩
柔性石墨
|
-46
|
丙烷/丙烯
甲醇,乙烷
煤氣/液氨
|
|
LC1
|
-60
|
|
LC2
|
-73
|
|
LC3
|
1Cr18Ni9Ti
|
-101
|
|
LC4
|
-115
|
|
LC8
|
-196
|
五、國標低溫截止閥(節流)閥 PNl.6MPa一4.0MPa 規格主要尺寸：
|
1.6MPa
|
DN
|
L
|
D
|
D1
|
D2
|
b
|
n-Φd
|
H
|
D0
|
|
-46℃
|
4-101℃
|
-196℃
|
|
凸面法蘭
RF
DJ41Y-16L
DJ41Y-16L C1
DJ41Y-16L C2 DJ41Y-16L C3
DJ41Y-16L C4 DJ41Y-16P
DJ41Y-16R
|
50
|
230
|
160
|
125
|
100
|
16
|
4-Φ18
|
460
|
480
|
520
|
240
|
|
65
|
290
|
180
|
145
|
120
|
18
|
4-Φ18
|
475
|
505
|
525
|
280
|
|
80
|
310
|
195
|
160
|
135
|
20
|
8-Φ18
|
520
|
550
|
590
|
280
|
|
100
|
350
|
215
|
180
|
155
|
20
|
8-Φ18
|
545
|
575
|
615
|
320
|
|
125
|
400
|
245
|
210
|
185
|
22
|
8-Φ18
|
590
|
620
|
660
|
360
|
|
150
|
480
|
280
|
240
|
210
|
24
|
8-Φ23
|
650
|
680
|
730
|
400
|
|
200
|
600
|
335
|
295
|
265
|
26
|
12-Φ23
|
850
|
880
|
930
|
400
|
|
250
|
730
|
405
|
355
|
320
|
30
|
12-Φ25
|
956
|
986
|
1036
|
450
|
|
300
|
850
|
460
|
410
|
375
|
30
|
12-Φ25
|
1095
|
1125
|
1175
|
500
|
|
2.5MPa
|
50
|
230
|
160
|
125
|
100
|
20
|
4-Φ18
|
460
|
460
|
520
|
240
|
|
凸面法蘭
RF
DJ41Y-25L
DJ41Y-25L C1
DJ41Y-25L C2 DJ41Y-25L C3
DJ41Y-25L C4 DJ41Y-25P
DJ41Y-25R
|
65
|
290
|
180
|
145
|
120
|
22
|
8-Φ18
|
475
|
505
|
525
|
280
|
|
80
|
310
|
195
|
160
|
135
|
22
|
8-Φ18
|
520
|
550
|
590
|
280
|
|
100
|
350
|
230
|
190
|
160
|
24
|
8-Φ23
|
545
|
575
|
615
|
320
|
|
125
|
400
|
270
|
220
|
188
|
28
|
8-Φ25
|
590
|
620
|
660
|
360
|
|
150
|
480
|
300
|
250
|
218
|
30
|
8-Φ25
|
650
|
680
|
730
|
400
|
|
200
|
600
|
360
|
310
|
278
|
34
|
12-Φ25
|
850
|
880
|
930
|
400
|
|
250
|
730
|
425
|
370
|
332
|
36
|
12-Φ30
|
956
|
986
|
1036
|
450
|
|
300
|
850
|
485
|
430
|
390
|
40
|
16-Φ30
|
1095
|
1125
|
1175
|
500
|
|
4.0MPa
|
50
|
230
|
160
|
125
|
100
|
20
|
4-Φ18
|
483
|
504
|
546
|
240
|
|
凸面法蘭
RF
DJ41Y-40L
DJ41Y-40L C1
DJ41Y-40L C2 DJ41Y-40L C3
DJ41Y-40L C4 DJ41Y-40P
DJ41Y-40R
|
65
|
290
|
180
|
145
|
120
|
22
|
8-Φ18
|
499
|
530
|
551
|
280
|
|
80
|
310
|
195
|
160
|
135
|
22
|
8-Φ18
|
546
|
578
|
620
|
280
|
|
100
|
350
|
230
|
190
|
160
|
24
|
8-Φ23
|
572
|
604
|
646
|
320
|
|
125
|
400
|
270
|
220
|
188
|
28
|
8-Φ25
|
620
|
651
|
693
|
360
|
|
150
|
480
|
330
|
2850
|
218
|
30
|
8-Φ25
|
683
|
741
|
767
|
400
|
|
200
|
600
|
375
|
320
|
282
|
38
|
12-Φ30
|
893
|
924
|
977
|
400
|
|
250
|
730
|
445
|
385
|
345
|
42
|
12-Φ34
|
1004
|
1035
|
1088
|
450
|
|
300
|
850
|
510
|
450
|
408
|
46
|
16-Φ34
|
1150
|
1181
|
1234
|
500
|
◆主要零件材料
|
零件名稱
|
閥體、閥蓋
|
閥桿、閥瓣
|
填料
|
支架
|
|
材料
|
A352-LCB、
A352-LC3、
A351-CF8
|
A182-F304
|
聚四氟乙烯
|
A216-WCB
|
◆主要性能規范
|
型號
|
公稱壓力
PN(MPa)
|
常溫試驗壓力 P2(MPa)
|
低溫密封試驗壓力
(MPa)
|
工作溫度及適用介質
|
|
殼體
|
密封 (氣)
|
上密封
|
|
DJ41Y-150(Lb)
|
150
|
3.0
|
0.6
|
2.2
|
0.6
|
-40℃氨、液
氮、丙烷
|
-101℃乙烯、
二氧化碳
|
-196℃甲烷、
液化天然氣
|
|
DJ41Y-600(Lb)
|
600
|
15.0
|
0.6
|
11.0
|
0.6
|
◆主要外形尺寸和連接尺寸
|
公稱壓力
PN(MPa)
|
公稱通徑NPS
|
尺寸(mm)
|
|
ln
|
mm
|
L
|
D
|
D1
|
D2
|
b
|
z-d
|
D0
|
H
|
|
-46℃
|
-101℃
|
-196℃
|
|
DJ40Y-150Lb
|
|
150
|
2
|
50
|
203
|
152
|
120.5
|
92
|
16
|
4-19
|
224
|
110
|
130
|
170
|
|
3
|
80
|
241
|
190
|
152.5
|
127
|
19
|
4-19
|
250
|
120
|
150
|
190
|
|
4
|
100
|
292
|
229
|
190.5
|
157
|
24
|
8-19
|
350
|
130
|
160
|
200
|
|
5
|
125
|
356
|
254
|
216
|
186
|
24
|
8-22
|
350
|
130
|
160
|
200
|
|
6
|
150
|
405
|
279
|
241.5
|
216
|
26
|
8-22
|
355
|
140
|
170
|
220
|
|
8
|
200
|
495
|
343
|
298.6
|
270
|
29
|
8-22
|
400
|
140
|
170
|
220
|
|
DJ40Y-600Lb
|
|
600
|
2
|
50
|
292
|
165
|
127
|
92
|
26
|
8-19
|
250
|
110
|
130
|
170
|
|
3
|
80
|
356
|
210
|
168
|
127
|
32
|
8-22
|
400
|
120
|
150
|
190
|
|
4
|
100
|
432
|
273
|
216
|
157
|
38
|
8-25
|
400
|
130
|
160
|
200
|
|
5
|
125
|
508
|
330
|
266.5
|
186
|
45
|
8-29
|
400
|
130
|
160
|
200
|
|
6
|
150
|
559
|
356
|
292
|
216
|
48
|
12-29
|
560
|
140
|
170
|
220
|
|
8
|
200
|
660
|
419
|
349
|
270
|
56
|
12-32
|
630
|
140
|
170
|
220
|
[DJ41Y]低溫截止（節流）閥
