Instructions

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

Float type automatic air vent designed to vent air that is released

from the water while being heated. Check valve on 5021 series

allows for easy replacement of air vent without purging the system.

Product range

Code 502015A MINICAL Automatic Air Vent 1/8" NPT

Code 502115A MINICAL Automatic Air Vent 1/8" NPT with Check Valve

Technical Characteristics

Connection: 1/8” NPT Male

Material: Body Brass

Seals EPDM

Maximum Working Pressure: 150 psi (10 bar)

Maximum Venting Pressure: 37 psi (2,5 bar)

Maximum Working Temperature: 250°F (120°C)

MINICAL

Automatic Air Vent

Automatic Air Vent with check valve

48205

www.caleffi.com

CALEFFI

5020-5021 Series

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CALEFFI www.caleffi.com 48205 MINICAL® Automatic Air Vent Automatic Air Vent with check valve 5020-5021 Series © Copyright 2010 Calef fi Function Float type automatic air vent designed to vent air that is released from the water while being heated. Check valve on 5021 series allows for easy replacement of air vent without purging the system.
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Installation The vent is installed in the vertical position, on the air separator, on manifolds, on riser pipes and generally in parts of the system where a concentration of air pockets is to be expected. Check valve on 5021 series should be installed prior to air vent. Insure air vent is properly lined-up with female check valve guide.