Depur Systems Srl - Continuous treatment of meteoric waters with external screening

CONTINUOUS TREATMENT OF METEORIC WATERS WITH EXTERNAL SCREENING

Grit removal and oil removal unit consists of a block made in sheets of PP-HD thermowelded with continuous wire of the same material, complete with lamellar pack in PP with padding of 44x44 mm and internal septa to determine the various compartments of separation and structure reinforcement, which will also ensure walkability class A15, tubes and profiles made of similar material (PP HD). Said units are accompanied by inspection manhole and withdrawal floating materials, sand and aggregates and inlet and outlet holes suitably dimensioned and equipped with suitable gaskets rubber lip.

MODEL	SQUARE SURFACE (m2) hdt=1,5' *	MAX FLOW (lt/s) *	SQUARE SURFACE (m2) tdi=3' **	MAX FLOW (lt/s) **	TOTAL VOLUME (lt)	DIMENSIONS
CONTINUOUS TREATMENT OF METEORIC WATERS - EXTERNAL SCREENING
MODEL	SQUARE SURFACE (m2) hdt=1,5' *	MAX FLOW (lt/s) *	SQUARE SURFACE (m2) tdi=3' **	MAX FLOW (lt/s) **	TOTAL VOLUME (lt)	H (cm)	P (cm)	L (cm)	Hi (cm)	Hu (cm)	ø in (mm)	ø out (mm)
DD8	800	15	400	7,5	2250	150	50	300	135	130	110	110
DD13	1300	25	650	12,5	3000	200	50	300	180	175	160	160
DD25	2500	50	1250	25	6000	200	100	300	180	175	160	160
DD35	3500	70	1750	35	8000	200	100	400	180	175	200	200
DD50	5000	95	2500	47,5	12000	200	150	400	180	175	200	200
DD70	7000	135	3500	67,5	16000	200	200	400	175	170	250	250
DD100	10000	195	5000	97,5	24000	200	200	600	175	170	250	250
DD130	13000	250	6500	125	32000	200	200	800	175	170	315	315
DD160	16000	310	8000	155	40000	200	200	1000	175	170	315	315
DD190	19000	370	9500	185	48000	200	200	1200	170	165	400	400
DD230	23000	445	11500	222,5	58000	200	240	1200	170	165	400	400
DD280	28000	545	14000	272,5	69000	240	240	1200	205	200	500	500
DD320	32000	620	16000	310	78000	240	240	1360	205	200	500	500
*Hydraulic detention time on the maximum capacity of 3 minutes recommended for discharge on the ground Hydraulic detention time on the maximum capacity of 1.5 minutes recommended for discharge into surface waters The surface of the square is calculated by taking the maximum height of rain equal to 70mm/hx sq.m.