User Guide
SAFETY INSTRUCTION
CAUTION: All work must be performed by qualified pers onnel trained in the
proper application, installation, and maintenance of systems in acc ordanc e
with all applicable codes and ordinanc es .
CAUTION: Over-tightening and breakage c an oc cur with the use of Teflon
®
pipe joint c ompounds . Teflon
®
provides lubricity s o that care must be
exercis ed not to over-tighten joints . Failure to follow thes e instructions
could result in property damage and /or personal injury.
WARNING: S ystem fluids are under pressure or temperature c an be
hazardous . B e s ure the pressure has been reduced to zero and the
sys tem temperature is below 100° F (38°C ). Failure to follow thes e
instructions could result in property damage and/or personal injury.
The balancing valves, with built-in flow meter, must be installed b y
qualified tec hnical personn el in ac cordanc e with the instructions given
in this manual and with current regulations.
C lean the pipes of any debris, rus t, welding s lag and any other
contaminants .
As in all hydraulic circuits it is important to pay attention to the
cleanliness of the entire s ystem.
For optimal operation, any air in the medium must be removed.
In order to ens ure measuring ac curacy, the bala
ncing valves with flow
meter must be installed by keeping a straight s ection above them at
least as long as five diameters, increas ed to at leas t te n diameters if
th e neares t devic e upstream is a pump.
C aleffi shall not be liable for damages re s ulting from stress c orrosion, misapplication or misuse of it products .
Installation
132 series
5D
132 series
Pump
10D
The valves must be installed so that:
- the direction of the flow agrees with that of the arrow on the
valve body.
- there is eas y ac c ess to the flow meter valve, control stem and dial
with the calibration adjustment range.
The valves can be fitted on either vertical or horizontal pipes .
7
6
5
4
3
2
7
6
5
4
3
2
7
6
5
4
3
2
7
6
5
4
3
2
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
.
WARNING: This product can expose you to chemicals including lead, which is
known to the State of California to cause cancer and birth defects or other
reproductive harm. For more information go to www.P65Warnings.ca.gov.