Balancing hydronic circuits is critical to providing high system performance and efficiency for precise temperature control and economical operation. Caleffi's newly introduced FLOWCAL™ valve, featuring low lead brass, automatically controls the design flow rate to each emitter regardless of differential pressure changes. This eliminates the need for onsite measurements and trial and error flow rate setting as required with manual calibration valves.The design incorporates an exclusive flow cartridge made of an anti-scale, low noise polymer and a compact low-lead brass valve body for use in cooling, heating and domestic water systems.
There are 16 fixed flow rates available for use with ½”, ¾” and 1” pipe. The appropriate flow rate is predetermined by a simple sizing procedure. Additionally, FLOWCAL is available with union end connections for ease of installation and maintenance.
In closed systems, they're ideal for controlling flow in any heat emitter including fan coils, base boards, panel radiators or single-zone radiant manifolds. Common potable applications include use with an open fan coil system.
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