CALEFFI FlowCal 127 Series User manual

This safety alert symbol will be us ed in this manual to draw attention to s afety 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 occ ur with the use of Teflon®
pipe joint compounds. Teflon®provides lubricity so that c are must be
exerc ised not to over-tighten joints . Failure to follow these ins tructions
could result in property damage and /or personal injury.
WARNING: System fluids are under pressure or temperature c an be
hazardous. B e sure the press ure has been reduced to zero and the
system temperature is below 100°F (38° C ). Failure to follow thes e
instructions could result in property damage and/or personal injury.
Material: B ody: low-lead brass (<0.25% Lead content)
FlowCal™ flow cartridge:
Spring:
S eals:
Performanc e: Medium:
anti-sc ale polymer
stainless steel
peroxide-cured E PDM
water, glyc ol solutions
50%
Max. percentage of glycol:
Max. working pressure:
Working temperature range:
232 psi (16 bar)
32-212°F (0-100°C )
CALEFFI
FlowCal™ Compact Automatic Balancing Valve with polymer cartridge
127 Series
NA10169.03
www.caleffi.com
© Copyright 2018 Caleffi
Connections: 1/2", 3/4" and 1" NPT, Sweat, Press, PEX expansion
This valve is certified to NSF/ANSI 372-2011, low lead laws and
listed by ICC-ES, file PMG-1360.
Function
The FlowCal™ automatic balancing valve maintains a constant
fixed flow rate within varying system differential pressure ranges.
The 127 series utilize an exclusive, interchangea ble flow
cartridge, made of anti-scale, low noise polymer and a compact
low-lead brass valve body for use in cooling, heating and
domestic water systems.
Product range
127 Series Compact Automatic Balancing Valve with polymer
cartridge, 1/2", 3/4", 1"
Technical characteristics
SAFETY INSTRUCTION

USER
CIRCUIT
FlowCal
Pump
Shut-o
valve
Zone valve
Regulator
CARTRIDGE LOCKING NUT
CARTRIDGE
BODY
CAUTION: If the FlowCal valve is not installed, commissioned
and maintained properly, according to the instructions contained in
this manual, it may not operate correctly and may endanger the user.
CAUTION: Make sure that all the connecting pipework is water tight.
Caleffi North America, Inc.
3883 West Milwaukee Road
Milwaukee, WI 53208
T: 414.238.2360 F: 414.238.2366
5-11-2020
Installation
Install the FlowCal
automatic balancing valves
on the circuit return pipe with
flow direction arrows
p roper indicating ow
direction. It is important to
allow easy access to the
FlowCal for inspection and
maintenance.
FlowCal cartridge assembly and disassembly
The internal flow cartridge can be removed easily
from the valve body for inspection or
replacement by unscrewing
the cartridge locking nut.
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.