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.
Function
The FLOWCAL™ automatic balancing valve maintains a constant
fixed flow rate within varying system differential pressure ranges.
The 127 series utilize an exclusive, interchangeable 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
Material: Body: low-lead brass (<0.25% Lead content)
FLOWCAL flow cartridge: anti-scale polymer
Spring: stainless steel
Seals: EPDM
Performance: Medium: water, glycol solutions
Max. percentage of glycol:
50%
Max. working pressure: 232 psi (16 bar)
Working temperature range: 32-212°F (0-100°C)
Connections: 1/2", 3/4" and 1" NPT or Sweat
CALEFFI
FlowCal™ Compact Automatic Balancing Valve with polymer cartridge
127 Series
NA10169
www.caleffi.com
© Copyright 2010 Caleffi