We supply high-quality trunnion-mounted ball valves designed for reliable shut-off and flow control in high-pressure industrial pipeline systems. These valves are widely used in the oil & gas, petrochemical, refinery, chemical, power generation, and LNG industries. The trunnion-mounted design supports the ball at the top and bottom, reducing operating torque and providing stable sealing performance in demanding service conditions.
Key Features 
- Trunnion-mounted ball anchored top and bottom for low operating torque
- Spring-energized seats for bubble-tight, bidirectional sealing
- Built for high-pressure and large-diameter service
- Double block and bleed capability for positive isolation and in-line testing
- Blow-out-proof stem and anti-static device fitted as standard
- Fire-safe design tested to API 607 / API 6FA available on request
- Soft seat options: PTFE, RPTFE, nylon, Devlon, PEEK
- Metal-to-metal seat design available on request
- Graphite stem packing for reliable, long-life sealing
- Full bore and reduced bore configurations
- Carbon steel, alloy steel, and stainless steel material options
- Size range: 2″ ~ 56″ (DN50 ~ DN1400)
- Pressure classes: CL150 ~ CL2500
- Materials to ASTM Standard
Standard Materials
| NO. | PART | STANDARD MATERIALS | |||||
|---|---|---|---|---|---|---|---|
| CARBON STEEL | ALLOY STEEL | STAINLESS STEEL | DUPLEX STEEL | ||||
| 1 | BODY | A216 WCB | A217 WC6 | A351 CF8M | A995 4A | ||
| 2 | BALL | A1054-ENP/A182 F6a/F3041F3161F51 | A182 F316/F51 | A182 F51/F53/F55 | |||
| 3 | CLOSURE | A216 WCB | A217 WC6 | A351 CHM | A995 4A | ||
| 4 | SEAT RING | A105-FENP/A182 F6a/F304/F3161F51 | A182 F316/F51 | A182 F51/F53/F55 | |||
| 5 | SEAT INSERT | PTFE/RPTFE/NYLON/DEVLON/PEEK | |||||
| 6 | SPRING | 17-7TPH/INCONELX-750 | |||||
| 7 | STUFFING BOX | A105+ENP | A105+ENP | A182 F316 | A182 F51 | ||
| 8 | STEM | A182 F6a/F304/F318/1 7-4PH | A182 F316/17-4PH/F51 | A182 F51/F531F55 | |||
| 9 | CONNECTION PLATE | A105 | A105 | A182 F316 | A182 F51 | ||
| 10 | ANTI-STATIC DEVICE | SS316 | |||||
| 11 | LOW TRUNION | A105+ENP | A105+ENP | A182 F316 | A182 F51 | ||
| 12 | CLOSURE GASKET | SS+GRAPHITE/SS+PTFE | |||||
| 13 | O-RING | VITON/NBR/HNBR/FVMQ | |||||
| 14 | THRUST WASHER | PTFE/RPTFE | |||||
| 15 | BEARING | SS+PTFE/SS | |||||
| 16 | CLOSURE STUD | A193 B7 | A193 B16 | A193 B8/A193 B8M | |||
| 17 | CLOSURE NUT | A194 2H | A194 4 | A194 8/A194 8M | |||
| 18 | CAP SCREW | A193 B7 | A193 B16 | A193 38/A193 B8M | |||
| 19 | SEALANT FITTING | CARBON STEEL | SATINLESS STEEL | ||||
| 20 | DRAIN VALVE | CARBON STEEL | SATINLESS STEEL | ||||
