Casting Steel Trunnion Mounted Ball Valve

Trunnion mounted ball valve is designed in according with API 607&API SPEC 6FA. It has double block and bleed (DBB) and blow out stem designing feature.

Features:

FB(Full bore), RF(reduced bore)

Two pieces(2PCS) body, three pieces(3PCS) body

Fireproof design on sealing surface

Material: A216 WCB, A351 CF8, CF8M, CF3, CF3M, CF3MN and CN7M, LCC, duplex stainless steel 2205

Size: 2″ to 36″(DN50 to DN900)

Pressure rating: Class 150 to Class 2500

Operated by: lever, worm gear box, pneumatic cylinder, motor, electric

Material List:

No. Part Name ASTM Material
C.S 304 316 304L 316L
1 Body A216 WCB A351 CF8 A351 CF8M A351 CF3 A351 CF3M
2 Bonnet A216 WCB A351 CF8 A351 CF8M A351 CF3 A351 CF3M
3 Ball A105+ENP A182 F304 A182 F316 A182 F304L A182 F316L
4 Stem A276 410 A276 304 A276 316 A276 304L A276 316L
5 Seat A182 F6a A182 F304 A182 F316 A182 F304L A182 F316L
6 Seat Insert Class filled + PTFE
7 Seat Spring AISI 304
8 Seat Ring NBR Viton
9 Stem O-ring NBR Viton
10 Gasket 304+Graphite
11 O-ring NBR Viton
12 Spring AISI 304
13 Plunger A105 A276 304 A276 316 A276 304L A276 316L
14 Bolt A193 B7 A193 B8
15 Nut A194 2H A194 8
16 Trunnion A276 410 A276 304 A276 316 A276 304L A276 316L
17 Bearing 304+PTFE 316+PTFE
18 Gland A105 A182 F304 A182 F316 A182 F304L A182 F316L
19 Bolt A193 B7 A193 B8
20 Stop Plane C.S Carbon Steel+Zn

Dimension List:

Dimensions Class 150LB
NPS(inch) 2 2-1/2 3 4 6 8 10 12 14 16 18 20 24 26 28 30 32 36
DN(mm) 50 65 80 100 150 200 250 300 350 400 450 500 600 650 700 750 800 900
L(RF) 178 190 203 229 394 457 533 610 686 762 864 914 1067 1143 1245 1295 1372 1524
L1(BW) 216 241 283 305 457 521 559 635 762 838 914 991 1143 1245 1346 1397 1524 1727
Dimensions Class 300LB
NPS(inch) 2 2-1/2 3 4 6 8 10 12 14 16 18 20 24 26 28 30 32 36
DN(mm) 50 65 80 100 150 200 250 300 350 400 450 500 600 650 700 750 800 900
L(RF) 216 241 283 305 403 502 568 648 762 838 914 991 1143 1245 1346 1397 1524 \
L1(BW) 216 241 283 305 403 502 568 648 762 838 914 991 1143 1245 1346 1397 1524
Dimensions Class 600LB
NPS(inch) 2 2-1/2 3 4 6 8 10 12 14 16 18 20 24 26 28 30 32 36
DN(mm) 50 65 80 100 150 200 250 300 350 400 450 500 600 650 700 750 800 900
L(RF/BW) 292 330 356 432 559 660 787 838 889 991 1092 1194 1397 1448 1549 \ \ \
L2(RTJ) 295 333 359 435 562 664 791 841 892 994 1095 1200 1407 1461 1562 \ \ \
Dimensions Class 900LB
NPS(inch) 2 2-1/2 3 4 6 8 10 12 14 16 18 20 24 26 28 30 32 36
DN(mm) 50 65 80 100 150 200 250 300 350 400 450 500 600 650 700 750 800 900
L(RF/BW) 368 419 381 457 610 737 838 965 1029 1130 1219 1321 1549 \ \ \ \ \
L2(RTJ) 371 422 384 460 613 740 841 968 1038 1140 1232 1334 1568 \ \ \ \ \
Dimensions Class 1500LB
NPS(inch) 2 2-1/2 3 4 6 8 10 12 14 16 18 20 24 26 28 30 32 36
DN(mm) 50 65 80 100 150 200 250 300 350 400 450 500 600 650 700 750 800 900
L(RF/BW) 368 419 470 546 705 832 991 1130 1257 1384 \ \ \ \ \ \ \ \
L2(RTJ) 371 422 473 549 711 841 1000 1146 1276 1407 \ \ \ \ \ \ \ \
Dimensions Class 2500LB
NPS(inch) 2 2-1/2 3 4 6 8 10 12 14 16 18 20 24 26 28 30 32 36
DN(mm) 50 65 80 100 150 200 250 300 350 400 450 500 600 650 700 750 800 900
L(RF/BW) 451 508 578 673 914 1022 1270 1422 \ \ \ \ \ \ \ \ \ \
L2(RTJ) 454 540 584 683 927 1038 1292 1445 \ \ \ \ \ \ \ \ \ \

Applications:

Petroleum refining, long – distance pipeline, chemical, paper, pharmaceutical