AVA is a self-acting pressure relief controller primarily for use in district heating systems. The controller is normally closed and opens on rising pressure.
The controller has a control valve, an actuator with one control diaphragm and a spring(s) for pressure setting.
AVPA
AVPA er en selvvirkende trykaflastningsregulator primært til brug i fjernvarmeanlæg. Regulatoren er normalt lukket og åbner ved stigende differenstryk.
Regulatoren har en reguleringsventil, en aktuator med en reguleringsmembran og et håndtag til indstilling af differenstryk.
VFG 2
Valves for heating, district heating and cooling systems. The valves can be used with following actuators: Thermostats (TR) AFT...; Safety Temperature Monitor (STM) STFW and Actuators AMV(E) 655, 658 , 659.
