Series TOV & TOBF

Series TOV & TOBF

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.

Brand: Vahn-Tech
Category: Triple Offset
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

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

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 Dimensions 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

No manuals available at this time.