Astral ABS - Circular Main Drain with Grille

270 mm - Suitable for Concrete Pools

LID: 3792

Astral

270mm

White ABS

Suitable For Concrete Pools

£43.20 Inc VAT

(RRP: £54.00)

SKU: 7359

MPN: 01466

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ABS - Circular Main Drain with Grille Ø270 mm - Suitable for Concrete Pools

Made totally in white ABS, 1½'' bottom connection and 2'' side connections which can be plugged from the inside for pressure testing.

11/2" bottom connection with plug or for fitting the hydrostatic relief valve (00277) & drainage tube (21581).
Grille cover diameter Ø 250 mm.
Maximum flow rate: 13 m3/h.

Top Tips:

As a safety measure, two drains should be installed in each pool at a minimum distance of 2m
According to EN13451 the recommendation maximum velcoity through the grille is 0.5m/s
If flat grille models are installed, the necessart measures must be taken to prevent whirlpools.
Install the warner safety system to prevent potential bather injuries by stopping pump suction with any pressure variation.
It is recommended by the industry that the drain be connected to a hydrostatic valve, and a drainage tube be installed to relieve the pressure that potential groundwater could exert on the pool structure.

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Top Tips:

As a safety measure, two drains should be installed in each pool at a minimum distance of 2m
According to EN13451 the recommendation maximum velcoity through the grille is 0.5m/s
If flat grille models are installed, the necessart measures must be taken to prevent whirlpools.
Install the warner safety system to prevent potential bather injuries by stopping pump suction with any pressure variation.
It is recommended by the industry that the drain be connected to a hydrostatic valve, and a drainage tube be installed to relieve the pressure that potential groundwater could exert on the pool structure.