Astral Berlin Bobbin Wound Filter Bright satin finish with a transparent polyurathane varnish dust -repellant coating, generally described as bobbing wound in construction. These filters offer supreme strength and life span in service. 230mm Diameter lid with Bolt fixings. Fitted with pressure gauge, manual air vent, water purge and side mount multiport valve. Maximum filtration velocity 50m³/h/m².
Filter Flow rate & Sizing Chart at 50m³/h/m². Berlin 500mm - 9M³/hour - Sand 100 Kg's Berlin 600mm - 14M³/hour - Sand 175 Kg's Berlin 750mm - 21M³/hour - Sand 300 Kg's
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