RFQ: Rising Stem Orbit-Style Valve
RFQ rising-stem tilt-seat ball valves for process isolation. Quote India.
Why this RFQ pattern
Process BOQs often call rising-stem tilt-seat (orbit-style) ball valves where the seat lifts clear of the ball before rotation to reduce wear.
BOQ wording
- Rising stem ball valve Class 300 DN100 WCB
- Tilt seat ball valve Class 600 RF
- Orbit-style isolation valve gear operated DN150
Typical supply
| Type | Rising stem / tilt-seat ball |
| Body | WCB / SS |
| Class | 150 / 300 / 600 |
| Ends | Flanged RF / RTJ |
Checklist
- Size
- Class
- Ends
- Gear / actuator
- Fire safe if needed