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一、產品[低溫截止（節流）閥]的詳細資料:
產品名稱：低溫截止（節流）閥
產品特點：國標低溫截止閥,國標低溫節流閥,低溫截止閥
二、執行標準：
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設計與製造
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結構長度
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浩蘭尺寸
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壓力-溫度
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試驗-檢驗
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|
JB/T7749
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GB12221
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JB79
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GB9131
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JB/T9092
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三、壓力試驗：
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公稱壓力PN
|
1.6
|
2.5
|
4.0
|
|
強度試驗
|
2.4
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3.8
|
6.0
|
|
水密封試驗
|
1.8
|
2.8
|
4.4
|
|
上密封試驗
|
1.8
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2.8
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4.4
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氣密封試驗
|
0.4-0.7
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四、主要零件材料及性能：
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體蓋板
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閥杆
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密封面
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墊片
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埴料
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工作溫度℃
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適用介質
|
|
LCB
|
1Cr17Ni12
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DTL/DTL
|
1Cr13/柔性石墨低溫石棉
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PTFE
浸四氟乙
烯石棉繩
柔性石墨
|
-46
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丙烷/丙烯
甲醇,乙烷
煤氣/液氨
|
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LC1
|
-60
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LC2
|
-73
|
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LC3
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1Cr18Ni9Ti
|
-101
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LC4
|
-115
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LC8
|
-196
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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
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D1
|
D2
|
b
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n-Φd
|
H
|
D0
|
|
-46℃
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4-101℃
|
-196℃
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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
|
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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
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16-Φ34
|
1150
|
1181
|
1234
|
500
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