Control Valve Accessory: ZCQ-FL

The Belimo ZCQ-FL is a flow limiter accessory designed for use with Belimo pressure-independent control valves (PIQCVs) in heating and cooling applications. It enables simple and precise adjustment of the maximum flow rate, supporting reliable hydronic balancing and efficient system operation. The device can be mounted directly onto the valve without tools and provides an easy-to-read scale for convenient flow setting according to the valve specifications. 

Manufactured from durable thermoplastic material and designed for maintenance-free operation, the ZCQ-FL contributes to long-term reliability and minimizes service requirements throughout the product life cycle. By facilitating accurate flow limitation, it supports energy-efficient performance and stable operation of HVAC systems.