Product: Hawle (Ord. No. 987-04) or equivalent Air valve for potable water, double-orifice type, with standpipe and standpipe base for installation in claw couplings of underground hydrants DN 80, automatic air valve for filling and emptying as well as for in-service ventilation of pipelines via underground hydrants, max. air release capacity 192 m3/h, air release cross section 960 mm2 and/or 2 mm2, height 600 mm, optionally available with deaeration only/aeration only function.
Material: Body and connecting bracket: POM Float: POM Valve gasket: EPDM UV protective cap: PE Standpipe: steel, galvanized