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Series 9000

Caleffi, leading Italian manufacturer of components for heating, air conditioning, plumbing and renewable energy systems, for civil and industrial usage, and supplier of state-of-the-art installations in the heat metering field too.Their 10 plants are all established in Italy for strategic reasons: this allows us to ensure real compliance with quality standards imposed not only by international regulations but also by specific corporate choices. Control is effective and monitored in-house on l00& of production.

Electronic Mixing Valve – Legiomix

Safety Valves

PICV’s and FCU Kit

Back Flow Preventor

Thermostatic Mixing Valves

Pressure reducing / Sustaining Valves

Caleffi PRV /PSV Main Function

The PRV is designed to hold downstream pressure to a pre-determined limit. Typical Pressure Reducing Valve station using two valves in parallel to handle high flows and low flows.

The Caleffi PRV reduces a higher inlet pressure to a constant downstream pressure (Pressure Reducing Control) regardless of changing flow rate and/or varying inlet pressure.

Recommended typical assembly for automatic control valves