User Guide

SAFETY INSTRUCTION

This safety alert symbol will be used in this manual to draw attention to safety related instructions.

When used, the safety alert symbol means ATTENTION! BECOME ALERT! YOUR SAFETY

IS INVOLVED! FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN A SAFETY

HAZARD.

CAUTION: All work must be performed by qualified personnel trained in the

proper application, installation, and maintenance of systems in accordance

with all applicable codes and ordinances.

CAUTION: Over-tightening and breakage can occur with the use of Teflon

pipe joint compounds. Teflon

provides lubricity so that care must be

exercised not to over-tighten joints. Failure to follow these instructions

could result in property damage and /or personal injury.

WARNING: System fluids are under pressure or temperature can be

hazardous. Be sure the pressure has been reduced to zero and the

system temperature is below 100°F (38°C). Failure to follow these

instructions could result in property damage and/or personal injury.

Caleffi shall not be liable for damages resulting from stress corrosion, misapplication or misuse of it products.

Installation

Assembly and disassembly of the valves should always be conducted while the

system is cold and not pressurized (fig. A).

Install according to the flow direction indicated by the arrow on the valve body

(fig. B).

Can be installed in any orientation (fig. C).

In order to ensure measuring accuracy, the balancing valve must be installed by

keeping an upstream straight section of at least five diameters, increased to at

least ten diameters if the nearest device upstream is a pump (fig. D).

PSI

C D