Sedelon Valve Co.,Ltd is a professional alloy check valves company with productive factory, we are the best alloy check valves manufacturer and supplier from China.
Alloy Check ValvesApplication
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: WC6 、WC9 、CF8、 CF8M、 CF3、CF3M 、CN7M、LC1
LC2、LC3、LCB、LCC、Monel、20# Alloys、4A、5A、C95800、C95500, ect.
Class150 Alloy Check Valves
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 Alloy Check Valves
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 Alloy Check Valves
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 Alloy Check Valves
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 Alloy Check Valves
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 Alloy Check Valves
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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Good News!
Sedelon has produced a big size gate valve for 36 inch 600LB this May. This big-size valve was exported to Iran. This Iran customer has done business with US from 2007. I believe this order for the big-size gate valve will take our business relationship to a higher position.
Pressure Seal check valves are designed for reliability in high velocity service applications to prevent backflow. Pressure seal check valves rely on the flow of the medium itself automatically open and close the valve,Then in order to prevent the media back.
Sedelon®cast steel, Stainless steel and alloy steel ,pressure seal check valves are ideal for standard and critical power industry applications. The pressure seal bonnet joint eliminates the body/bonnet flanges, reducing weight and simplifying the application of exterior insulation. Contrary to bolted bonnet valves, internal pressure applied to a pressure seal valve forces the sealing elements into tighter contact – the higher the internal pressure, the tighter the seal.
How to solve the leakage problem of stainless steel knife gate valve
In order to improve our production effectiveness and speed up the delivery time, we Sedelon built a new extra factory, it covers an area of 15000 square meters. It has already been put into production successfully this year!
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