VEU, MEU, FEU Unit Valves Specification

This specification details the VEU (2-port), MEU (3-port), and FEU (4-port) unit valves, a range of characterised control valves designed for operation with AVU actuators and use with CZU temperature controllers and CVR fan coil unit controllers. The document provides technical specifications, materials, connection types, sizing data, and installation guidelines for regulating hot or chilled water flow in fan coil units, induction units, and V.A.V terminal units.