GONAL VAR-125 pillangószelep NA125

BUTTERFLY VALVE (METAL): VAR-125 and VAR-150 self-acting, plug-in butterfly valves have a metal body and metal dampers. Dampers that move due to a pressure difference are returned by spring force to the closed basic position after the end of the air flow. The closing surface is rubberized for quiet operation and efficient closing. Its design makes it suitable for retrofitting. The sealing ring running around the outer surface of the butterfly valve enables precise installation for pipes with an internal diameter of 121 - 124 mm. Suggested use: For the professional connection of kitchen hoods In the case of ventilation fans installed in 125 or 150 mm pipe systems with higher performance In other ventilation systems that require quiet operation Advantages: It can be used to prevent unwanted airflow in the reverse direction; In winter, it prevents the inflow of cold air through the hood; Precise closing mechanism; It can be installed both horizontally and vertically; Silent operation; Simple installation, can even be retrofitted to the existing system; High degree of compatibility, can be matched to the ventilation systems used in most hoods.