Automatic Backwash Disc Filtration System for Irrigation

Working principleAutomatic disc filter system with disc filtering element(as below) with 2"/ 3" /4" backwash valves,air valve,manifolds,controller.Easy to install. Automation available in 220V.Filter materials

Items

Materials

Disc filter modules

Nylon

Pipeline

Carbon steel/HDPE /Stainless steel

Pressure gage

Stainless steel

Auto backwash valve

Nylon/stainless steel

Electromagnetic valve

Brass/nylon

Air valve

Plastic

Controller cover

Plastic/Stainless steel

Design and selection of models1.Water quality classificationA.: Water of good quality: city tap water, well water from stable aquifer.B.: Water of general quality: cooled circulating water, surface water treated by sedimentation, and drained water treated by effective deposition and completely biological treatment.C.: Water of relatively poor quality: groundwater from aquifer of poor quality, drained water treated by effective deposition but with poor biological treatment, and surface water with enormous microbes.D. The worst quality: well water with rich iron and manganese elements, surface water affected by flooding and without sedimentation, and drained water without precipitation and biological treatment.Different water qualities have different influences on the filter's operation period, so in general it is better to keep the system's backwash intervals no less than 1hour.

Raw water quality

Good water quality

General water quality

Poor water quality

The worst quality

Filtration range

200

100μ

50μ

200μ

100μ

50μ

200μ

100μ

50μ

200μ

100μ

50μ

Models

Flow(m3/h)

Flow(m3/h)

Flow(m3/h)

Flow(m3/h)

DLLF-4-3

224

176

128

168

129

102

120

88

70

72

55

40

DLLF-4-4

280

210

160

210

154

128

150

105

88

90

65

51

DLLF-4-5

374

294

214

281

216

171

200

147

118

120

91

68

DLLF-4-6

448

352

256

336

258

205

240

176

141

144

109

81

DLLF-4-7

522

410

298

392

301

238

280

205

164

168

127

94

DLLF-4-8

597

469

341

448

344

273

320

234

188

192

146

108

4 inch disc filter system demensions

Model

Waterin/out
(mm/inch)

H(mm)

H1(mm)

H2(mm)

D(mm)

L(mm)

DLLF-4-3-A

150/6

1416.5

282.5

594

1200

1195

DLLF-4-4-A

200/8

1531.5

310

651.5

1200

1470

DLLF-4-5-A

200/8

1531.5

310

651.5

1200

1745

DLLF-4-6-A

250/10

1630.5

332.5

701

1200

2020

DLLF-4-7-A

250/10

1630.5

332.5

701

1200

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