API CAST STEEL VALVES : SWING CHECK VALVE CLASS 900Lb
A. SWING CHECK VALVE BRIEF FIGURE OF STRUCTURE
SWING CHECK VALVE CLASS 900Lb
SWING CHECK VALVE CLASS 900Lb

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 Standard: 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 6 8 10 12 14 16
mm 47 57 73 98 146 190 238 282 311 358
L-L1
(RF-BW)
in 14.50 16.50 15.00 18.00 24.00 29.00 33.00 38.00 40.50 44.50
mm 368 419 381 457 610 737 838 965 1029 1130
L2
(RTJ)
in 14.62 16.62 15.12 18.12 24.12 29.12 33.12 38.12 40.88 44.88
mm 371 422 384 460 613 740 841 968 1038 1140
d1 in 3.62 4.13 5.00 6.18 8.50 10.63 12.76 15.00 16.26 18.50
mm 92 105 127 157 216 270 324 381 413 470
d2 in 6.50 7.50 7.50 9.25 12.50 15.50 18.50 21.00 22.00 24.25
mm 165.1 190.5 190.5 234.9 317.5 393.7 469.9 533.4 558.8 615.9
D in 8.50 9.62 9.50 11.50 15.00 18.50 21.50 24.00 25.25 27.75
mm 216 244 241 292 381 470 545 610 640 705
b in 1.50 1.63 1.50 1.75 2.20 2.50 2.75 3.13 3.38 3.50
mm 38.5 41.5 38.5 44.5 56 63.5 70 79.5 86 89
n-φd in 8-1.00 8-1.13 8-1.00 8-1.25 12-1.25 12-1.50 16-1.54 20-1.50 20-1.63 20-1.75
mm 8-26 8-29 8-26 8-32 12-32 12-39 16-39 20-39 20-42 20-45
H
(open)
in 8.45 10.24 10.24 12.60 15.04 20.87 22.05 23.23 24.80 27.56
mm 240 260 260 320 382 530 560 590 630 700
WT
(Kg)
BF 69 93 91 145 259 565 900 1200 1500 2130
BW 52 74 70 112 218 448 733 975 1240 1760

The technical data subject to amend without notice