Spinning valve, newly cast after a model from the turn of the century 1900 in Gysinge’s possession. Intended for ventilation of foundations, so-called catholes, room valves in walls, etc. Note that the valve in the picture is treated with linseed oil and has a darker color than an untreated valve that is graphite gray in color.
Untreated sand-cast cast iron.
Fold dimensions: Height 145 mm. Width 145 mm. Depth 78 mm.
External dimensions: Height 175 mm. Width 175 mm.