Astral Berlín Filter – 28474

Ø 400 mm injected lid. Complete with pressure gauge, water purges, and multiport valve. Maximum filtration velocity 50 m3/h/m2.

CHARACTERISTICS:
– Bobbin-wound sand filters in polyester/fibreglass resin.
– Cover of Ø 240 mm with screw closure, die-injected for diameters up to 900 mm. Cover of Ø 400 mm with screw closure, die-injected for Ø 1050 and Ø 1200 mm.
– Blue satin-finish, with dust protection with a clear polyurethane flash coat for Ø 500, Ø 600, Ø 750 and Ø 900. Blue finish for Ø 1050 and Ø 1200.
– Equipped with collectors and diffuser of highly resistant PVC and PP plastic.
– Fitted with pressure gauge and manual air and water bleeder valves. For models of Ø 900, Ø 1050 and Ø 1200, includes sand drain of 2 1/2″ sand purge.
– Side-mount, 6+1 way selector valve for filter, backwash, rinse, recirculate, waste and closed, except for models of Ø 500, Ø 600 and Ø 750.
– Maximum flow rate: 50 m3/h/m2. – Maximum operating pressure: 2,5 kg/cm2.
– Inner coating of HDPE (polyethylene), blown for Ø 500 and Ø 600mm, thermoformed ABS for Ø 750 and Ø 900 mm, and polyester/fibreglass for Ø 1050 and Ø 1200 mm.
– Filter base manufactured in plastic with diameter up to 750 mm and polyester and fibreglass for larger diameters. Note: Operating pressure of 4 kg/cm2 available by special order.
ADVANTAGES:
– Easy access: Owing to the larger diameter of the top manhole (400 mm) for filters of diameter 1050 mm and 1200 mm, the filter interior can be more easily accessed for servicing.
– Improved finish: Apart from its bobbinwound finish, which provides greater resistance and safety, the blue satin-finish distinguishes it from conventional filters.

Code Description
541 Filter Ø 500 outlets 1 ½2
00541-0100 Filter 9.000 l/h Ø 500 outlets 1½”. Multiport valve not included
542 Filter Ø 600 outlets 1 ½”
00542-0100 Filter 14.000 l/h Ø 600 outlets 1½”. Multiport valve not included
543 Filter Ø 750 outlets 2″
00543-0100 Filter 21.000 l/h Ø 750 outlets 2″. Multiport valve not included
544 Filter Ø 900 outlets
545 Filter Ø 1050 outlets
546 Filter Ø 1200 outlets
7134 Filter Ø 1050 outlets
7135 Filter Ø 1200 outlets
15397 30000 l/h Ø 900 mm outlet 2”
28474 30000 l/h Ø 900 mm outlet 2” (4 bar)

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