DJ41Y低温截止阀详细资料:
一、产品特点:
低温截止阀通常指工作温度低于-46℃ 的阀门,广泛应用于液化天然气,液化石油气体和其它低温行业。我公司目前可制造适用温度达 -196℃ 的截止阀,全部零件采用液氮进行低温预处理,****避免使用过程中密封变形泄露。
二、产品执行标准:
设计与制造 |
结构长度 |
法兰尺寸 |
压力-温度 |
试验-检验 |
JB/T7749 |
GB12221 |
JB79 |
GB9131 |
JB/T9092 |
三、主要性能参数:
型号 |
DJ41Y-16L |
DJ41Y-16P |
DJ41Y-25L |
DJ41Y-25P |
DJ41Y-40L |
DJ41Y-40P |
工作压力(MPa) |
1.6 |
2.5 |
4.0 |
适用温度(℃) |
-45 |
-101 |
-196 |
适用介质 |
液化天然气、乙烯、丙烯等低温介质 |
材料 |
阀体、阀盖 |
LCB |
LC3 |
LCB |
LC3 |
LCB |
LC3 |
阀瓣、阀座 |
铬镍钢+钴铬钨 |
阀杆 |
铬镍钢 |
四、主要外形连接尺寸:

1.6MPa |
DN |
L |
D |
D1 |
D2 |
b |
n-Φd |
H |
D0 |
-46℃ |
4-101℃ |
-196℃ |
凸面法兰 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 |
凸面法兰 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 |
凸面法兰 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 |