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Bled Steam Check Valve<br />
Sizes 8”– 28”<br />
ASME B16.34 150 Class<br />
Main component materials<br />
Description Carbon Steel Alloy Steel<br />
Body A216 Gr. WCB A217 Gr. WC9<br />
Cover A216 Gr. WCB A217 Gr. WC9<br />
Gasket Aluminium Reinforced Expanded Graphite<br />
Disc A216 Gr. WCB A217 Gr. WC9<br />
Hinge Pin ASTM A565 XM32<br />
Hydrostatic shell & seat leak test pressures<br />
Dimensions<br />
Product No. B21<br />
Material<br />
Press. ASTM ASTM<br />
Class<br />
A-216 WCB A-217 WC9<br />
Shell Seat Shell Seat<br />
150 psi 450 325 450 325<br />
bar 30 22 30 22<br />
A<br />
M N<br />
Product Numbers<br />
C<br />
Carbon Steel Alloy Steel<br />
Size A C M N Weight WCB WC9<br />
8 in 23 47 8.07 8.63 695lb<br />
200 mm 584 1195 205 219.1 315kg<br />
10 in 28 48.82 10.13 10.75 864lb<br />
250 mm 711 1240 257.4 273 392kg<br />
12 in 31 52 12.09 12.75 1184lb<br />
300 mm 787 1320 307 323.8 537kg<br />
14 in 33 53.15 13.25 14 1730lb<br />
350 mm 838 1350 336.6 355.6 785kg<br />
16 in 37 54.33 15.25 16 1845lb<br />
400 mm 940 1380 387.4 406.4 837kg<br />
18 in 42.52 63 17.13 18 2612lb<br />
450 mm 1080 1600 435 457.2 1185kg<br />
20 in 47 65.75 19 20.00 2742lb<br />
500 mm 1194 1670 482.6 508 1244kg<br />
22 in 50 68.11 21.06 22 3670lb<br />
550 mm 1270 1730 535 558.8 1665kg<br />
24 in 54.72 72.05 22.87 24 4608lb<br />
600 mm 1390 1830 581 609.6 2090kg<br />
28 in 61 76.77 26.81 28 5688lb<br />
700 mm 1550 1950 681 711.2 2580kg<br />
Sizes greater than 700mm are available on application.<br />
B21EN200- B21LN200-<br />
B21EN250- B21LN250-<br />
B21EN300- B21LN300-<br />
B21EN350- B21LN350-<br />
B21EN400- B21LN400-<br />
B21EN450- B21LN450-<br />
B21EN500- B21LN500-<br />
B21EN550- B21LN550-<br />
B21EN600- B21LN600-<br />
B21EN700- B21LN700-<br />
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