Pipe aerator and deaerator ventilair duplex suitable for DN 70/90/100, flow rate 25 l/s, temperature range -20 °C to +60 °C, with activated carbon filter, polystyrene frost protection hood and transition seal for the mentioned dimensions. Note: Pipe aerators and deaerators ventilair duplex are regularly tested internally in accordance with DIN EN 12380. They do not comply with the standards DIN 1986-100 and DIN EN 12056-2, therefore their installation should be contractually agreed upon.
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