Zhejiang Sedelon Valve Co.,Ltd is a professional cryogenic check valve company with productive factory, we are the best cryogenic check valve manufacturer and supplier from China.
Application
Face to Face Dimensions:ANSI B16.10
Flange end Dimension :ANSI B16.5
Butt Welded Dimensions:ANSI B16.25
Design and Manufacture:BS1868
Pressure Test:API598
Materials: CF8、 CF8M、 CF3、CF3M 、CN7M、LC1
LC2、LC3、LCB、LCC、Monel、20# Alloys、4A、5A、C95800、C95500, ect.
Class150 Cryogenic check valve
NPS |
in |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
d |
mm |
51 |
64 |
76 |
102 |
127 |
152 |
203 |
254 |
305 |
337 |
387 |
438 |
489 |
591 |
L(RF) |
mm |
203 |
216 |
241 |
292 |
330 |
356 |
495 |
622 |
699 |
787 |
864 |
978 |
978 |
1295 |
L(BW) |
mm |
203 |
216 |
241 |
292 |
330 |
356 |
495 |
622 |
699 |
787 |
864 |
978 |
978 |
1295 |
L(RTJ) |
mm |
216 |
229 |
254 |
305 |
343 |
368 |
508 |
635 |
711 |
800 |
876 |
991 |
991 |
1308 |
d1 |
mm |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
533 |
584 |
692 |
d2 |
mm |
120.5 |
139.5 |
152.5 |
190.5 |
216 |
241.5 |
298.5 |
362 |
432 |
476 |
540 |
578 |
635 |
749.5 |
D |
mm |
152 |
178 |
190 |
229 |
254 |
279 |
343 |
406 |
483 |
533 |
597 |
635 |
699 |
813 |
b |
mm |
16 |
18 |
19 |
24 |
24 |
26 |
29 |
31 |
32 |
35 |
37 |
40 |
43 |
48 |
n-Фd |
mm |
4-19 |
4-19 |
4-19 |
8-19 |
8-22 |
8-22 |
8-22 |
12-25 |
12-25 |
12-29 |
16-29 |
16-32 |
20-32 |
20-35 |
H |
mm |
132 |
147 |
176 |
198 |
255 |
320 |
380 |
440 |
480 |
530 |
580 |
618 |
657 |
760 |
Class300 Cryogenic check valve
NPS |
in |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
d |
mm |
51 |
64 |
76 |
102 |
127 |
152 |
203 |
254 |
305 |
337 |
387 |
432 |
483 |
584 |
L(RF) |
mm |
267 |
292 |
318 |
356 |
400 |
445 |
533 |
622 |
711 |
838 |
864 |
978 |
1016 |
1346 |
L(BW) |
mm |
267 |
292 |
318 |
356 |
400 |
445 |
533 |
622 |
711 |
838 |
864 |
978 |
1016 |
1346 |
L(RTJ) |
mm |
283 |
308 |
333 |
371 |
416 |
460 |
549 |
638 |
727 |
854 |
879 |
994 |
1035 |
1368 |
d1 |
mm |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
533 |
584 |
692 |
d2 |
mm |
127 |
149 |
168.5 |
200 |
235 |
270 |
330 |
387.5 |
451 |
514.5 |
571.5 |
628.5 |
686 |
813 |
D |
mm |
165 |
190 |
210 |
254 |
279 |
318 |
381 |
445 |
521 |
584 |
648 |
711 |
775 |
914 |
b |
mm |
23 |
26 |
29 |
32 |
35 |
37 |
42 |
48 |
51 |
54 |
58 |
61 |
64 |
70 |
n-Фd |
mm |
8-19 |
8-22 |
8-22 |
8-22 |
8-22 |
12-22 |
12-25 |
16-29 |
16-32 |
20-32 |
20-35 |
24-35 |
24-35 |
24-41 |
H |
mm |
144 |
149 |
210 |
260 |
295 |
326 |
380 |
440 |
520 |
540 |
588 |
670 |
720 |
850 |
Class600 Cryogenic check valve
NPS |
in |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
d |
mm |
51 |
64 |
76 |
102 |
127 |
152 |
200 |
248 |
298 |
327 |
375 |
419 |
464 |
559 |
L(RF) |
mm |
292 |
330 |
356 |
432 |
508 |
559 |
660 |
787 |
838 |
889 |
991 |
1092 |
1194 |
1397 |
L(BW) |
mm |
292 |
330 |
356 |
432 |
508 |
559 |
660 |
787 |
838 |
889 |
991 |
1092 |
1194 |
1397 |
L(RTJ) |
mm |
295 |
333 |
359 |
435 |
511 |
562 |
664 |
791 |
841 |
892 |
994 |
1095 |
1200 |
1407 |
d1 |
mm |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
533 |
584 |
692 |
d2 |
mm |
127 |
149 |
168.5 |
216 |
267 |
292 |
349 |
432 |
489 |
527 |
603 |
654 |
724 |
838 |
D |
mm |
165 |
190 |
210 |
273 |
330 |
356 |
419 |
508 |
559 |
603 |
686 |
743 |
813 |
940 |
b |
mm |
26 |
29 |
32 |
38 |
45 |
48 |
56 |
64 |
67 |
70 |
77 |
83 |
89 |
102 |
n-Фd |
mm |
8-19 |
8-22 |
8-22 |
8-25 |
8-29 |
12-29 |
12-32 |
16-35 |
20-35 |
20-38 |
20-41 |
20-44 |
24-44 |
24-52 |
H |
mm |
170 |
178 |
246 |
290 |
320 |
360 |
430 |
502 |
554 |
595 |
680 |
778 |
970 |
1100 |
Class900 Cryogenic check valve
NPS |
in |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
d |
mm |
47 |
57 |
73 |
98 |
121 |
146 |
190 |
234 |
282 |
311 |
354 |
400 |
444 |
533 |
L(RF) |
mm |
368 |
419 |
381 |
457 |
559 |
610 |
737 |
838 |
965 |
1029 |
1130 |
1219 |
1321 |
1549 |
L(BW) |
mm |
368 |
419 |
381 |
457 |
559 |
610 |
737 |
838 |
965 |
1029 |
1130 |
1219 |
1321 |
1549 |
L(RTJ) |
mm |
371 |
422 |
384 |
460 |
562 |
613 |
740 |
841 |
968 |
1038 |
1140 |
1232 |
1334 |
1568 |
d1 |
mm |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
533 |
584 |
692 |
d2 |
mm |
165 |
190.5 |
190.5 |
235 |
279.4 |
317.5 |
393.7 |
469.9 |
533.4 |
558.8 |
615.9 |
685.8 |
749.3 |
901.7 |
D |
mm |
216 |
244 |
241 |
292 |
349 |
381 |
470 |
545 |
610 |
640 |
705 |
785 |
855 |
1040 |
b |
mm |
38.5 |
41.5 |
38.5 |
44.5 |
51 |
56 |
64 |
70 |
79.5 |
86 |
89 |
102 |
108 |
140 |
n-Фd |
mm |
8-26 |
8-29 |
8-26 |
8-32 |
8-35 |
12-32 |
12-39 |
16-39 |
20-39 |
20-42 |
20-45 |
20-51 |
20-54 |
20-67 |
H |
mm |
200 |
220 |
280 |
320 |
360 |
400 |
480 |
560 |
630 |
680 |
780 |
880 |
1050 |
1200 |
Class1500 Cryogenic check valve
NPS |
in |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
d |
mm |
47 |
57 |
70 |
92 |
111 |
136 |
178 |
222 |
263 |
289 |
330 |
L(RF) |
mm |
368 |
419 |
470 |
546 |
673 |
705 |
832 |
991 |
1130 |
1257 |
1384 |
L(BW) |
mm |
368 |
419 |
470 |
546 |
673 |
705 |
832 |
991 |
1130 |
1257 |
1384 |
L(RTJ) |
mm |
371 |
422 |
473 |
549 |
676 |
711 |
841 |
1000 |
1146 |
1276 |
1407 |
d1 |
mm |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
d2 |
mm |
165 |
190.5 |
203.2 |
241.3 |
292.1 |
317.5 |
393.7 |
482.6 |
571.5 |
635 |
704.8 |
D |
mm |
216 |
244 |
267 |
311 |
375 |
394 |
483 |
585 |
675 |
750 |
825 |
b |
mm |
38.5 |
41.5 |
48 |
54 |
73.5 |
83 |
92.9 |
108 |
124 |
133.5 |
146.5 |
n-Фd |
mm |
8-26 |
8-29 |
8-32 |
8-35 |
8-42 |
12-39 |
12-45 |
12-51 |
16-54 |
16-61 |
16-67 |
H |
mm |
210 |
240 |
303 |
340 |
380 |
430 |
500 |
590 |
660 |
710 |
820 |
Class2500 Cryogenic check valve
NPS |
in |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
d |
mm |
38 |
47 |
57 |
73 |
92 |
111 |
146 |
184 |
219 |
L(RF) |
mm |
451 |
508 |
578 |
673 |
794 |
914 |
1022 |
1270 |
1422 |
L(BW) |
mm |
451 |
508 |
578 |
673 |
794 |
914 |
1022 |
1270 |
1422 |
L(RTJ) |
mm |
454 |
514 |
584 |
683 |
807 |
927 |
1038 |
1292 |
1445 |
d1 |
mm |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
d2 |
mm |
171.4 |
196.8 |
228.6 |
273 |
323.8 |
368.3 |
438.1 |
539.7 |
619.1 |
D |
mm |
235 |
267 |
305 |
356 |
419 |
483 |
550 |
675 |
760 |
b |
mm |
51 |
57.5 |
67 |
76.5 |
92.5 |
108 |
127 |
165.5 |
184.5 |
n-Фd |
mm |
8-29 |
8-32 |
8-35 |
8-42 |
8-48 |
8-54 |
12-54 |
12-67 |
12-74 |
H |
mm |
230 |
260 |
330 |
370 |
410 |
460 |
530 |
620 |
690 |
API Trim NO. Table
No of internal parts |
Seat ring or body |
Gate、disc 、ball or body |
Stem |
No of internal parts |
Seat ring or body |
Gate、disc 、ball or body |
Stem |
|
01 |
13Cr |
13Cr |
13Cr |
31 |
STELLITE |
321SS |
321SS |
|
02 |
304SS |
304SS |
304SS |
32 |
STELLITE |
STELLITE |
321SS |
|
03 |
310SS |
310SS |
310SS |
33 |
347SS |
347SS |
347SS |
|
04 |
HARD 13Cr |
HARD 13Cr |
13Cr |
34 |
STELLITE |
347SS |
347SS |
|
05 |
STELLITE |
STELLITE |
13Cr |
35 |
NICKEL ALLOY |
13Cr |
13Cr |
|
06 |
Cu-Ni |
13Cr |
13Cr |
36 |
A105/PTFE |
A105 ENP |
A105 ENP |
|
07 |
13Cr |
HARD 13Cr |
13Cr |
37 |
A105/PTFE |
WCB ENP |
A105 ENP |
|
08 |
STELLITE |
13Cr |
13Cr |
38 |
13Cr/PTFE |
13Cr |
13Cr |
|
09 |
Cu-Ni |
Cu-Ni |
Cu-Ni |
39 |
304SS/PTFE |
304SS |
304SS |
|
10 |
316SS |
316SS |
316SS |
40 |
316SS/PTFE |
316SS |
316SS |
|
11 |
Cu-Ni |
STELLITE |
Cu-Ni |
41 |
A105/RPTFE |
A105 ENP |
A105 ENP |
|
12 |
STELLITE |
316SS |
316SS |
42 |
A105/RPTFE |
WCB ENP |
A105 ENP |
|
13 |
ALLOY 20 |
ALLOY 20 |
ALLOY 20 |
43 |
13Cr/RPTFE |
13Cr |
13Cr |
|
14 |
STELLITE |
ALLOY 20 |
ALLOY 20 |
44 |
304SS/RPTFE |
304SS |
304SS |
|
15 |
STELLITE |
STELLITE |
304SS |
45 |
316SS/RPTFE |
316SS |
316SS |
|
16 |
STELLITE |
STELLITE |
316SS |
46 |
A105/NYLON |
A105 ENP |
A105 ENP |
|
17 |
STELLITE |
STELLITE |
347SS |
47 |
A105/NYLON |
WCB ENP |
A105 ENP |
|
18 |
STELLITE |
STELLITE |
ALLOY 20 |
48 |
A105/NYLON |
304SS |
304SS |
|
19 |
MONEL |
MONEL |
MONEL |
49 |
A105/NYLON |
316SS |
316SS |
|
20 |
BRONZE |
BRONZE |
13Cr |
50 |
13Cr/NYLON |
13Cr |
13Cr |
|
21 |
HASTELLOY B |
HASTELLOY B |
HASTELLOY B |
51 |
304SS/NYLON |
304SS |
304SS |
|
22 |
|
HASTELLOY C |
HASTELLOY C |
52 |
316SS/NYLON |
316SS |
316SS |
|
23 |
STELLITE |
304SS |
304SS |
53 |
A105/PEEK |
A105 ENP |
A105 ENP |
|
24 |
304LSS |
304LSS |
304LSS |
54 |
A105/PEEK |
WCB ENP |
A105 ENP |
|
25 |
STELLITE |
304LSS |
304LSS |
55 |
13Cr/PEEK |
13Cr |
13Cr |
|
26 |
STELLITE |
STELLITE |
304LSS |
56 |
304SS/PEEK |
304SS |
304SS |
|
27 |
316LSS |
316LSS |
316LSS |
57 |
316SS/PEEK |
316SS |
316SS |
|
28 |
STELLITE |
316LSS |
316LSS |
|
|
|
|
|
29 |
STELLITE |
STELLITE |
316LSS |
|
|
|
||
30 |
321SS |
321SS |
321SS |
|
|
|
|
Note:please indicate it directly in the order for the internal part’smaterial uncovered in the table
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