10
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Duo-ChekValves
$
"
#
1JONVTU CF WFSUJDBM
GPS IPSJ[POUBM GMPX
'MPX%JSFDUJPO
DoubleFlangedStyleValves
bolt up similar to a bolted cap swing check or gate valve.Double flanged versions are
offeredas standard on larger size valveswhere the lay length of the body permits installation of twoheavy nuts between
the flanges.These valves are standard retainerless design.
StyleHDoubleFlangeRetainerlessValve
ASMEClass150
ASMEClass300
ASMEClass 900
Notes:
• Sizes not available in double flange designare offeredas lug body design, see page 11.
• Please consult factory for other sizes and pressure classes available.
• Consult factory for weights not shown.
Size
A
B
C
Weight
in mm in mm in mm in mm lbs.
kg.
12"
300 20
1
⁄
2
521 7
1
⁄
8
181 11
3
⁄
8
289 336 152
14"
350 23 584 8
3
⁄
4
222 12
1
⁄
2
318 431 195
16"
400 25
1
⁄
2
648 9
1
⁄
8
232 14
3
⁄
8
365 619 280
18"
450 28 711 10
3
⁄
8
264 16
1
⁄
8
409 850 385
20"
500 30
1
⁄
2
775 11
1
⁄
2
292 17
7
⁄
8
454 1078 488
24"
600 36 914 12
1
⁄
2
318 22
1
⁄
8
562 1516 686
30"
750 43 1092 14
1
⁄
2
368 28
3
⁄
4
730 3100 1406
36"
900 50 1270 19
483 35
864 4650 2109
42"
1050 50
3
⁄
4
1289 22
3
⁄
8
568 41 1041 8670 3932
48"
1200 57
3
⁄
4
1467 24
3
⁄
4
629 47 1193 9950 4513
54"
1350 65
1
⁄
4
1657 27
1
⁄
4
692 51
1
⁄
2
1308
–
–
60"
1500 73 1854 32
1
⁄
2
826 56 1422
–
–
Size
A
B
C
Weight
in mm in mm in mm in mm lbs.
kg.
8"
200 13
1
⁄
2
343 5
127 7
5
⁄
8
194 93 42
10"
250 16
406 5
3
⁄
4
146 9
9
⁄
16
243 189 86
12"
300 19
483 7
1
⁄
8
181 11
3
⁄
8
289 218 99
14"
350 21
533 7
1
⁄
4
184 12
1
⁄
2
318 274 124
16"
400 23
1
⁄
2
597 7
1
⁄
2
191 15
381 353 160
18"
450 25
635 8
203 16
7
⁄
8
428 409 185
20"
500 27
1
⁄
2
699 8
5
⁄
8
219 18
7
⁄
8
480 552 250
24"
600 32
813 8
3
⁄
4
222 22
5
⁄
8
575 860 389
30"
750 38
3
⁄
4
984 12 330 29
1
⁄
4
743 1512 687
36"
900 46 1168 14½ 387 35
889 2525 1145
42"
1050 53 1346 17 432 41
1041 4163 1888
48"
1200 59
1
⁄
2
1511 20
5
⁄
8
524 47
1194 5880 2667
54"
1350 66
1
⁄
4
1683 21
1
⁄
4
539 51
1
⁄
2
1308
–
–
60"
1500 73 1854 26 660 56
1422
–
–
66"
1650 80 2032 31 787 62
1
⁄
2
1588
–
–
72"
1800 86
1
⁄
2
2197 36 914 68
1727
–
–
Size
A
B
C
Weight
in mm in mm in mm in mm lbs.
kg.
12"
300 24
610 11
1
⁄
2
292 10
1
⁄
8
257 770 349
14"
350 25
1
⁄
4
641 14 356 11
1
⁄
2
292 1240 561
16"
400 27
3
⁄
4
705 15
1
⁄
8
384 12
7
⁄
8
327 1210 548
18"
450 31
787 17
3
⁄
4
451 14
1
⁄
2
368 1845 835
20"
500 33
3
⁄
4
857 17
3
⁄
4
451 18
457 3940 1787
24"
600 41 1041 19
1
⁄
2
495 21
1
⁄
2
546 4175 1893
30"
750 48
1
⁄
2
1222 25 635 26
660 6500 2948
36"
900 57
1
⁄
2
1461 28 711 31
787
–
–
42"
1050 61
1
⁄
2
1562 31
1
⁄
2
800 36
914
–
–
ASMEClass 600
Size
A
B
C
Weight
in mm in mm in mm in mm lbs.
kg.
12"
300 22 559 9
229 11
3
⁄
8
289 612 277
14"
350 23
3
⁄
4
603 10
3
⁄
4
273 12
1
⁄
2
318 682 309
16"
400 27 685 12 305 14
3
⁄
8
365 951 430
18"
450 29
1
⁄
4
743 14
1
⁄
4
362 16
1
⁄
8
409 1221 553
20"
500 32 813 14
1
⁄
2
368 18
457 1606 728
24"
600 37 940 17
1
⁄
2
445 21
9
⁄
16
548 2451 1111
30"
750 44
1
⁄
2
1130 19
7
⁄
8
505 28
3
⁄
4
730 3825 1735
36"
900 51
3
⁄
4
1314 25 635 33
3
⁄
4
857 6057 2747
42"
1050 55
1
⁄
4
1403 27
5
⁄
8
702 39
1
⁄
2
1003 9985 4529
48"
1200 62
3
⁄
4
1594 31 787 36
914 12600 5715
