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產品型號：
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180
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產品名稱：
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低溫截止（節流）閥
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產品特點：
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國標低溫截止閥,國標低溫節流閥,低溫截止閥
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低溫截止（節流）閥的詳細資料：
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國標低溫截止閥,國標低溫節流閥,低溫截止閥
一、執行標準
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設計與制造
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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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二、壓力試驗
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公稱壓力PN
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1.6
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2.5
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4.0
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強度試驗
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2.4
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3.8
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6.0
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水密封試驗
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1.8
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2.8
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4.4
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上密封試驗
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1.8
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2.8
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4.4
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氣密封試驗
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0.4-0.7
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三、主要零件材料及性能
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體蓋板
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閥桿
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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
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LCB
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1Cr17Ni12
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DTL/DTL
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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
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-60
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LC2
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-73
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LC3
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1Cr18Ni9Ti
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-101
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LC4
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-115
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LC8
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-196
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四、國標低溫截止閥(節流)閥 PNl.6MPa一4.0MPa 規格主要尺寸
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1.6MPa
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DN
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L
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D
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D1
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D2
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b
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n-Φd
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H
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D0
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-46℃
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4-101℃
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-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
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8-Φ18
|
545
|
575
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615
|
320
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|
125
|
400
|
245
|
210
|
185
|
22
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8-Φ18
|
590
|
620
|
660
|
360
|
|
150
|
480
|
280
|
240
|
210
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24
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8-Φ23
|
650
|
680
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730
|
400
|
|
200
|
600
|
335
|
295
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265
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26
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12-Φ23
|
850
|
880
|
930
|
400
|
|
250
|
730
|
405
|
355
|
320
|
30
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12-Φ25
|
956
|
986
|
1036
|
450
|
|
300
|
850
|
460
|
410
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375
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30
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12-Φ25
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1095
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1125
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1175
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500
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2.5MPa
|
50
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230
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160
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125
|
100
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20
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4-Φ18
|
460
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460
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520
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240
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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
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180
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145
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120
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22
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8-Φ18
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475
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505
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525
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280
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80
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310
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195
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160
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135
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22
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8-Φ18
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520
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550
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590
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280
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100
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350
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230
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190
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160
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24
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8-Φ23
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545
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575
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615
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320
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125
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400
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270
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220
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188
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28
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8-Φ25
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590
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620
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660
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360
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150
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480
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300
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250
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218
|
30
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8-Φ25
|
650
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680
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730
|
400
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200
|
600
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360
|
310
|
278
|
34
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12-Φ25
|
850
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880
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930
|
400
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250
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730
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425
|
370
|
332
|
36
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12-Φ30
|
956
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986
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1036
|
450
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300
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850
|
485
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430
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390
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40
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16-Φ30
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1095
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1125
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1175
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500
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4.0MPa
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50
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230
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160
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125
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100
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20
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4-Φ18
|
483
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504
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546
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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
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65
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290
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180
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145
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120
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22
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8-Φ18
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499
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530
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551
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280
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80
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310
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195
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160
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135
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22
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8-Φ18
|
546
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578
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620
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280
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100
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350
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230
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190
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160
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24
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8-Φ23
|
572
|
604
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646
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320
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125
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400
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270
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220
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188
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28
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8-Φ25
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620
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651
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693
|
360
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150
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480
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330
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2850
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218
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30
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8-Φ25
|
683
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741
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767
|
400
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200
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600
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375
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320
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282
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38
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12-Φ30
|
893
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924
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977
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400
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250
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730
|
445
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385
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345
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42
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12-Φ34
|
1004
|
1035
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1088
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450
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300
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850
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510
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450
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408
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46
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16-Φ34
|
1150
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1181
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1234
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500
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