API CAST STEEL VALVES : TWO PIECE TRUNNION BALL VALVE
A. TWO PIECE TRUNNION BALL VALVE BRIEF FIGURE OF STRUCTURE
TWO PIECE TRUNNION BALL VALVE CLASS 150Lb-300Lb
TWO PIECE TRUNNION BALL VALVE CLASS 150Lb-300Lb

B. TWO PIECE TRUNNION BALL VALVE APPLICATION
  1. Face to Face Dimensions: ANSIB16.10
  2. Basic Design: API 6D?BS 5351
  3. End Flange Dimensions: ANSI B16.5
  4. Test Standard: API 598

C. TWO PIECE TRUNNION BALL VALVE MAIN PARTS AND MATERIALS
NO. Part Name Qty. Material NO. Part Name Qty. Material
1 Adapter 1 ?ASTM? A216 WCB? 11 Plug 1 ASTM A576-1025
2 Stud   ASTM A193 B7 12 Drain 1 Component
3 Nut   ASTM A194 2H 13 Nipple 1 Component
4 Grease Fitting 2 Component 14 Ball 1 ASTM A105 ENP
5 Stem 1 ASTM A105 ENP 15 Seat 2 ASTM A105 ENP+PTFE
6 Key 1 ASTM A576-1045 16 Pressure 2 ASTM A105 ENP
7 Flange Gland 1 ASTM A105 ENP 17 Spring   ASTM A564 17-4PH
8 Thrust Collar 1 PTFE 18 Seal Ring 2 Graf oil
9 Body 1 ASTM A216 WCB 19 O Ring 2 Vinton
10 Tunnel Shaft 1 ASTM A105 ENP        

D. TWO PIECE TRUNNION BALL VALVE MAIN CONNECTION DIMENSIONS AND WEIGHTS CLASS150Lb
NPS
d
in 2 3 4 6 8 10 12
mm 51 76 102 152 203 254 305
L-L1
(RF)
in 7.00 8.00 9.00 15.50 18.00 21.00 24.00
mm 178 203 229 394 457 533 610
L2
(RTJ)
in 7.50 8.50 9.50 16.00 18.50 21.50 24.50
mm 190.5 216 241 406 470 546 622
d1 in 3.63 5.00 6.19 8.50 10.63 12.75 15.00
mm 92 127 157 216 270 324 381
d2 in 4.75 6.00 7.50 9.50 11.75 14.25 17.00
mm 120.5 152.5 190.5 241.5 298.5 362 432
D in 6.00 7.50 9.00 11.00 13.50 16.00 19.00
mm 152 190 229 279 343 406 483
b in 0.75 0.88 0.94 1.00 1.13 1.19 1.25
mm 19 22.50 24 26 29 31 32
n-φd in 4-0.75 4-0.75 8-0.75 8-0.87 8-0.87 12-1.00 12-1.00
mm 4-19 4-19 8-19 8-22 8-22 12-25 12-25
H in 6.50 7.68 9.06 13.00 15.55 19.49 22.83
mm 165 195 230 330 395 495 580
W in 9.06 15.75

27.56

43.31 47.24 51.08 23.62
mm 230 400 460 1000 600 600 600
Weight Kg 20 35 60 100 200 300 520

E. TWO PIECE TRUNNION BALL VALVE MAIN CONNECTION DIMENSIONS AND WEIGHTS CLASS300Lb
NPS
d
in 2 3 4 6 8 10 12
mm 51 76 102 152 203 254 305
L-L1
(RF)
in 8.50 11.12 12.00 15.88 19.75 22.38 25.50
mm 216 283 305 403 502 568 648
L2
(RTJ)
in 9.12 11.74 12.62 16.50 20.37 23.00 26.12
mm 232 298 321 419 517 584 664
d1 in 3.63 5.00 6.19 8.50 10.63 12.75 15.00
mm 92 127 157 216 270 324 381
d2 in 5.00 6.63 7.88 10.63 13.00 15.25 17.75
mm 127 168.5 200 270 330 387.5 451
D in 6.50 8.25 10.00 12.50 15.00 17.50 20.20
mm 165 210 254 318 381 445 521
b in 0.88 1.125 1.25 1.44 1.63 1.88 2.00
mm 23 29 32 37 42 48 51
n-φd in 8-0.75 8-0.87 8-0.87 12-0.87 12-1.00 16-1.14 16-1.25
mm 8-19 8-22 8-22 12-22 12-25 16-29 16-32
H in 6.50 7.68 9.06 13.00 15.55 19.49 22.83
mm 165 195 230 330 395 495 580
W in 9.06 15.75

18.11

39.37 23.62 23.62 23.62
mm 230 700 460 1000 600 600 600
Weight kg 22 42 73 160 280 350 600

The technical data subject to amend without notice