一、DJ41Y低溫截止閥概述：
DJ41Y低溫截止閥適用于低溫液體貯運(yùn)設(shè)備的管理系統(tǒng)，具有開(kāi)關(guān)靈活、密封可靠的特點(diǎn)，也可用于其他低溫和深冷介質(zhì)的管理系統(tǒng)。
執(zhí)行標(biāo)準(zhǔn):
設(shè)計(jì)與制造：JB/T7749-95
結(jié)構(gòu)長(zhǎng)度：GB/T12221-89
連接端：GB/T9113-2000，HG20592-97，SH3406-96GB/T12224-89
檢驗(yàn)與試驗(yàn)：JB/T7749-95
二、性能參數(shù)：
|
型號(hào) |
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(zhì) |
液化天然氣、乙烯、丙烯等低溫介質(zhì) |
||||||
|
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 |
||||||
三、安裝尺寸：
|
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 |
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