Description
The Schneider Electric (Barber Colman) AV-611 is a precision-engineered globe valve linkage designed to provide a reliable mechanical connection between DuraDrive actuators and compatible globe valve bodies. Whether you are commissioning a new hydronic or HVAC control system or replacing a worn linkage assembly, the AV-611 delivers the secure, accurate coupling needed for dependable valve operation.
Compatible Actuators
- DuraDrive Mx41-6xx3 Non-Spring Return Actuators
- DuraDrive Mx40-704x Spring Return Actuators
Compatible Valve Series
- VB-7xxx Series Globe Valves — 1/2″ through 2″ pipe sizes
- VB-9xxx Series Globe Valves (Discontinued) — 1/2″ through 1-1/4″ pipe sizes
Key Features
- Direct-mount linkage eliminates the need for field fabrication
- Compatible with both spring return and non-spring return DuraDrive actuator models
- Supports a broad range of valve sizes from 1/2″ up to 2″
- Engineered for use with the widely installed VB-7xxx globe valve series
- Also supports legacy VB-9xxx series valves for retrofit and replacement applications
- Genuine Schneider Electric (Barber Colman) quality construction
Application
The AV-611 linkage is the specified connection accessory for integrating DuraDrive actuators with VB-7xxx and VB-9xxx globe valves in commercial HVAC and building automation systems. It ensures proper stem engagement and actuator travel alignment, maintaining precise flow control in heating, cooling, and process applications. Ideal for new installations as well as service and retrofit projects involving discontinued VB-9xxx valves.
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