The Vahn-Tech Series TOV and TOBF triple offset butterfly valves are designed to meet the critical zero-leakage isolation requirements for industry applications. Split into two primary design categories, floating and fixed seats, there's versatility in the selection to match your process requirements and project economics.
Additional information
| Valve Size | 2" to 72" |
|---|---|
| Pressure Class Standard | ASME B16.34 |
| Pressure Class Range | Class 150, 300, 600, 900, 1500, 2500 |
| Body | Wafer, Double Flange |
| End Connections | Lugged, Integral Flange, Flangeless |
| Face-to-Face Standard | API 609, ASME B16.10 |
| Bonnet | Body Integral |
| Packing | Stuffing Box, Fugitive Emissions, Live-Loaded, Fire-Safe, Cryogenic |
| Configuration | Triple-Offset |
| Trim | Eccentric Disc |
| Trim Characteristics | Linear |
| Seat Type | Fixed, Floating |
| Seating | Seat & Metal-to-Metal |
| Shut-Off Classification | API 598 |
Features & Benefits
- The Triple Offset design provides Zero Leakage Seat Tightness to API 598 resilient seat standard
- Fully bi-directional design with floating seat on the body
- Anti-blowout proof stem for high dependability, fully compliant with API609
- Inherently fire-safe for both composite and metal seats
- Double stem structure: Lower flow resistance & reduced energy consumption
- High temperature resistance up to +850°C
- Cryogenic design for applications with temperatures down to -196°C
- Design available for high pressure up to Class 2500
Standards & Certifications
| Certifications | Canadian Registration Number (CRN) |
|---|---|
| Fire-Safe to API 607 | |
| Design Standards | API 609 – Butterfly Valves: Double-Flanged, Lug and Wafer |
| ASME B16.10 – Face to Face & End Dimenions of Valves | |
| ASME B16.5 – Pipe Flanges & Flanged Fittings | |
| ASME B16.47 – Large Diameter Steel Flanges | |
| ASME B16.34 – Valve Flanged, Threaded, and Welding End | |
| ASME SA Materials | |
| ASTM A Materials | |
| Quality | IS0 9001:2015 |
