| Trunnion ball valve |
| Application: |
|
| Trunnion ball valves are suitable for use on various kinds of pipelines of Class150~Class2500, PN16-PN160, JIS10K-JIS20K to cut off or turn on the pipeline medium of which the operation types include worm gear, manual, pneumatic or electric actuators, being in general of flange connection, and butt welding ends connection as well. |
|
| Typical Drawing of Trunnion Ball Valve and Parts Composition |
 |
| Parts and Material List |
| Parts No. |
Parts Name |
Materials |
| WCB/13Cr |
WCB/304 |
WCB/316 |
CF8 |
CF8M |
| 1 |
Body |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A351 CF8 |
ASTM A351 CF8M |
| 2 |
Nut |
ASTM A194 2H |
ASTM A194 2H |
ASTM A194 2H |
ASTM A194 2H |
ASTM A194 2H |
| 3 |
Bolting |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B7 |
| 4 |
O ring |
Viton |
Viton |
Viton |
Viton |
Viton |
| 5 |
Stem bearing |
Metal backed PTFE |
Metal backed PTFE |
Metal backed PTFE |
Metal backed PTFE |
Metal backed PTFE |
| 6 |
Gasket |
ASTM A182 F6a |
ASTM A182 F304 |
ASTM A182 F316 |
ASTM A182 F304 |
ASTM A182 F316 |
| 7 |
Stem |
ASTM A182 F6a |
ASTM A182 F304 |
ASTM A182 F316 |
ASTM A182 F304 |
ASTM A351 CF8 |
| 8 |
Key |
Carbon steel |
Carbon steel |
Carbon steel |
stainless steel |
stainless steel |
| 9 |
Key |
Carbon steel |
Carbon steel |
Carbon steel |
stainless steel |
stainless steel |
| 10 |
O ring |
viton |
viton |
viton |
viton |
viton |
| 11 |
Gasket |
PTFE |
PTFE |
PTFE |
PTFE |
PTFE |
| 12 |
Cover |
ASTM A105 |
ASTM A105 |
ASTM A105 |
ASTM A182 F304 |
ASTM A182 F316 |
| 13 |
Cap screw |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B8 |
ASTM A193 B8M |
| 14 |
O ring |
Viton |
Viton |
Viton |
Viton |
Viton |
| 15 |
Gear |
Carbon steel |
Carbon steel |
Carbon steel |
Carbon steel |
Carbon steel |
| 16 |
Ball |
ASTM A182 F6a |
ASTM A182 F6a |
ASTM A182 F316 |
ASTM A182 F304 |
ASTM A182 F316 |
| 17 |
Seat |
Reinforced PTFE |
Reinforced PTFE |
Reinforced PTFE |
Reinforced PTFE |
Reinforced PTFE |
| 18 |
O ring |
Viton |
Viton |
Viton |
Viton |
Viton |
| 19 |
Seat retainer |
ASTM A105 |
ASTM A105 |
ASTM A105 |
ASTM A182 F304 |
ASTM A182 F316 |
| 20 |
Spring |
SS304 or Inconel 750 |
SS304 or Inconel 750 |
SS316 or Inconel 750 |
SS304 or Inconel 750 |
SS316 or Inconel 750 |
| 21 |
Gasket |
Viton or PTFE or Graphite |
Viton or PTFE or Graphite |
Viton or PTFE or Graphite |
Viton or PTFE or Graphite |
Viton or PTFE or Graphite |
| 22 |
Body bolting |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B8 |
ASTM A193 B8M |
| 23 |
Body nut |
ASTM A194 2H |
ASTM A194 2H |
ASTM A194 2H |
ASTM A194 8 |
ASTM A194 8M |
| 24 |
Closure |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A351 |
ASTM A351 CF8M |
| 25 |
Lower trunion |
ASTM A182 F6a |
ASTM A182 F304 |
ASTM A182 F316 |
ASTM A182 CF8 304 |
ASTM A182 F316 |
| 26 |
O ring |
Viton |
Viton |
Viton |
Viton |
Viton |
| 27 |
Gasket |
ASTM A182 F6a |
ASTM A182 F304 |
ASTM A182 F316 |
ASTM A182 F304 |
ASTM A182 F316 |
| 28 |
Lower cover |
ASTM A105 |
ASTM A105 |
ASTM A105 |
ASTM A182 F304 |
ASTM A182 F316 |
| 29 |
Cap screw |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B8 |
ASTM A193 B7M |
| NOTE: The chart above only lists out some common composition of steel ball valve parts. We may provide other different parts material composition according to the customer鈥檚 request or the actual valve working condition. |
| Structure dimensions and sizes锛圧F锛?/TD>
| 銆€ |
| Size |
Class150 |
Class300 |
Class600 |
Class900 |
Class1500 |
Class2500 |
| 100 |
229 |
305 |
432 |
457 |
546 |
673 |
| 125 |
356 |
381 |
508 |
559 |
673 |
794 |
| 150 |
394 |
403 |
559 |
610 |
705 |
914 |
| 200 |
457 |
502 |
66 |
737 |
832 |
1022 |
| 250 |
533 |
568 |
787 |
838 |
991 |
1270 |
| 300 |
610 |
648 |
838 |
965 |
1130 |
銆€ |
| 350 |
686 |
762 |
889 |
1029 |
銆€ |
銆€ |
| 400 |
762 |
838 |
991 |
1130 |
銆€ |
銆€ |
| 450 |
864 |
914 |
1092 |
銆€ |
銆€ |
銆€ |
| 500 |
914 |
991 |
1194 |
銆€ |
銆€ |
銆€ |
| 600 |
1067 |
1113 |
1397 |
銆€ |
銆€ |
銆€ |
| 650 |
1143 |
1245 |
銆€ |
銆€ |
銆€ |
銆€ |
| 700 |
1245 |
1346 |
|
銆€ |
銆€ |
銆€ |
| 750 |
1295 |
1397 |
銆€ |
銆€ |
銆€ |
銆€ |
| 800 |
1372 |
1524 |
銆€ |
銆€ |
銆€ |
銆€ |
| 900 |
1524 |
1727 |
銆€ |
銆€ |
銆€ |
銆€ |
 |
