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. The 900mm Diameter filter has a 230mm Diameter lid with Bolt fixings, and the 1050mm & 1200mm have a 400mm diameter polyester bolt down lid.
Fitted with pressure gauge, manual air vent, water purge, but do require the multiport or Valve battery to be purchased seperately. Maximum filtration velocity 50m³/h/m².
Filter Flow rate & Sizing Chart at 50m³/h/m².
Berlin 900mm - 30M³/hour - Sand 525 Kg's
Berlin 1050mm - 43M³/hour - Sand 575 Kg's & 300 kg's Gravel
Berlin 1200mm - 56M³/hour - Sand 800 Kg's & 300 kg's Gravel
Berlin 900mm has outlet pipework of 2 1/2"
Berlin 1050mm has outlet pipework of 75mm
Berlin 1200mm has outlet pipework of 90mm
N.B. An interior vinylester coating is required if Ozone is to be used.
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