Koarte beskriuwing:

Namme: Combination Air Valve, Double Orifice 1. Standert: Conforms to BS EN1074-4: 2000 2. Flens boarre nei EN1092-2 3. Materiaal: Duktile Izer 4. Normaal druk: PN10/16 5. Grutte: DN100, DN15 DN200, DN250