ORVANT
Industrial Systems
TECHNICAL DATASHEET
ORV-DS-VX-250-EN
Rev 04 · 2026-05
Pumps & Valves · VX-250
VX-250 Trunnion-Mounted Ball Valve
Full-bore API 6D isolation with fail-safe actuation.
A three-piece trunnion-mounted ball valve with double block-and-bleed, fire-safe seats and a scotch-yoke pneumatic actuator. Built for pipelines, terminals and process isolation where tight shut-off is mandatory.
DN 250
full bore
Class 600
ASME rating
0
leakage, Rate A
SIL 3
capable
Valve
| Size | DN 50 – DN 600 (2" – 24") |
| Pressure class | ASME 150 – 900 |
| Bore | Full bore, piggable |
| Seats | Self-relieving, DBB |
| Leakage | ISO 5208 Rate A |
Actuation
| Actuator | Scotch-yoke, spring return |
| Supply | 4 – 8 bar instrument air |
| Stroke time | < 8 s (DN 250) |
| Controls | Solenoid + limit switch box |
Materials
| Body | ASTM A216 WCB · A995 4A option |
| Ball | A182 F316 + ENP |
| Stem | 17-4PH |
| Seats | Devlon / PEEK |
| Packing | Graphite, ISO 15848 BH |
Dimensions
Key dimensions
| Face-to-face | 568 mm (ASME B16.10) |
| Height to actuator top | 1,240 mm |
| Flange OD | 559 mm |
| Weight | 612 kg |
Applications
- — Pipeline isolation
- — Tank farms
- — Emergency shut-down
- — Pig launchers
- — Compressor stations
Certifications & standards
| API 6D | Pipeline valves |
| API 607 | Fire-safe tested |
| IEC 61508 | SIL 3 capable |
| ISO 9001:2015 | Quality management, all manufacturing sites |