API CAST STEEL VALVES : SWING CHECK VALVE CLASS 300Lb
A. SWING CHECK VALVE BRIEF FIGURE OF STRUCTURE
SWING CHECK VALVE CLASS 300Lb
SWING CHECK VALVE CLASS 300Lb

B. SWING CHECK VALVE APPLICATION
  1. Face to Face Dimensions: ANSIB16.10
  2. Basic Design: API 6D?BS 1868
  3. End Flange Dimensions: ANSI B16.5
  4. Test Standards: API 598

C. SWING CHECK VALVE MAIN PARTS AND MATERIALS
NO. Part Name Qty. Material NO. Part Name Qty. Material
1 Body 1 WCB 9 Name Plate 1 304
2 Seat 2 A105+HF 10 Gasket 1 304+ Flexible Graphite
3 Disc 1 WCB+F6 11 Bonnet 1 WCB
4 Stem 1 WCB 12 Stud   A193 B7
5 Gasket 1 A276 410 13 Nut   A194 2H
6 Nut 1 A276 410 14 Eyebolt 1 A29 1035
7 Pin 1 A276 410 15 Gasket 1 1008
8 Rivet 2 304 16 Plug 1 A276 410

D. SWING CHECK VALVE MAIN CONNECTION DIMENSIONS AND WEIGHTS
NPS
d
in 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20 24
mm 51 64 76 102 127 152 203 254 305 337 387 432 483 585
L-L1
(RF-BW)
in 10.50 11.50 12.50 14.00 15.75 17.50 21.00 24.50 28.00 33.00 34.00 38.50 40.00 53.00
mm 267 292 318 356 400 444 533 622 711 838 864 978 1016 1346
L2
(RTJ)
in 11.12 12.12 13.12 14.62 16.37 18.12 21.62 25.12 28.62 33.62 34.62 39.12 40.75 53.88
mm 283 308 333 371 416 460 549 638 727 854 876 994 1035 1368
d1 in 3.62 4.13 5.00 6.18 7.32 8.50 10.63 12.76 15.00 16.26 18.50 20.98 22.99 27.24
mm 92 105 127 157 186 216 270 324 381 413 470 533 584 692
d2 in 5.00 5.87 6.63 7.87 9.25 10.63 13.00 15.25 17.75 20.25 22.50 24.75 27.00 32.00
mm 127 149 168.5 200 235 270 330 387.5 451 514.5 571.5 628.5 686 813
D in 6.50 7.50 8.25 10.00 11.00 12.50 15.00 17.50 20.50 23.00 25.50 28.00 30.50 36.00
mm 165 190 210 254 279 318 381 445 521 584 348 711 775 914
b in 0.88 1.00 1.14 1.26 1.38 1.46 1.65 1.89 2.01 2.13 2.28 2.40 2.52 2.76
mm 23 26 29 32 35 37 42 48 51 54 58 61 64 70
n-φd in 8-0.75 8-0.87 8-0.87 8-0.87 8-0.87 12-0.87 12-1.00 16-1.13 16-1.25 20-1.25 20-1.38 24-1.38 24-1.38 24-1.62
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
(open)
in 6.22 6.57 7.40 10.20 11.06 12.56 15.79 19.02 21.85 23.03 24.21 25.31 26.81 27.95
mm 158 167 188 259 281 319 401 483 555 585 615 643 681 710
WT
(Kg)
BF 21 32

?? 43

61 84 131 213 384 449 680 840 1025 1320 1960
BW 16 24 35 44 61 105 167 272 375 560 710 828 1070 1586

The technical data subject to amend without notice