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water | wastewater | sewage

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Screw Screen in Tank

Model SSB-mK

This packaged screw screen provides primary treatment for untreated sewage.
The SSB-mK screw screen is equipped with a stainless steel tank to allow installation where a concrete channel is not available. The tank is complete with flanged inlet and outlet pipe stubs.

The tank can be fitted with an optional bypass chamber (as contingency if the main screen overflows) fitted with a manually cleaned bar screen. The system includes screening compaction at the end of the conveying section of the screw.

Due to small footprint, minimal civil works required, and ease of installation, the Screw Screen in Tank offers a simple and low cost solution for small wastewater treatment applications and septage receival facilities.

STANDARD SPECIFICATIONS

Parameter Units SSB-mK-110  SSB-mK-160  SSB-mK-260  SSB-mK-390  SSB-mK-610  SSB-mK-830 
Treatment capacity*1 With rounded holes  Ø3 m3/hr 80 122 158 320 502 690
Ø4 93 137 218 360 528 756
Ø5*2 108 158 259 390 612 830
Ø6 126 164 288 430 630 850
Ø7 137 183 310 468 730 905
Ø10 158 194 333 495 790 970
With wedge wire 0.25 mm 17 34 75 115 180 220
0.5 mm 45 64 95 170 300 340
1 mm 50 81 135 252 350 430
2 mm 85 100 145 303 430 580
3 mm 112 125 187 340 505 730
Dimensions A mm 3,190 3,120 3,125 3,100 4,050 4,175
T 2,250 2,250 2,250 2,250 2,600 3,135
H 1,500 1,500 1,500 1,500 1,750 1,950
O 175 205 235 255 300 360
I 220 250 285 315 380 440
F 2,160 2,300 2,350 2,350 2,900 3,300
W 430 480 600 650 720 870
Inlet/outlet flange*3 DN 150 200 250 300 400 500
Overflow outlet flange*3 (optional) 100 150 200 250 350 450
Installed motor power kW 0.55 0.75 0.75 0.75 0.75 0.75
Screw gear reducer speed rpm 11 11 11 8 8 8
Screw inclination deg˚ 35 35 35 35 35 35
Empty weight kg 400 440 480 570 900 990

*1Theoretical, calculated using clean water, *2Standard screen type & aperture, *3Flanges are lap joint max 15mm thick with holes P10 according to EN1092-1.

 

STANDARD INCLUSIONS + OPTIONS

Equipment Standard Supply Optional Supply
Screw screen in tank Rounded holes screen element Ø5mm aperture -
Custom aperture (3, 4, 5, 6 ,7 or 10mm) -
Wedge-wire screen element (0.25, 0.5, 1, 2 or 3mm) -
Integrated screenings compaction -
Screen basket cleaning, bolted nylon brushes -
PE breathing valve on screen tank -
PE pipe for returning liquid from compaction zone -
Squared outlet spout -
Bolted screenings compaction system cover -
Lifting eyebolts -
Nord drives with compact motor gearbox and cover guards -
Machine carpentry, inlet & outlet flanges, drive guards and anti-wear materials on screw SS304L, bolts A2 (SS304) -
SS316L, bolts A4 (SS316) -
Bypass Chamber Manual bar screen 10mm  -
Rounded holes Custom aperture (3, 4, 5, 6 ,7 or 10mm) -
Wedge-wire  2 or 3mm -
Overflow from tank with flange  -
Screw High-carbon steel painted -
SS304L -
SS316L -
Washing Compaction zone only, with ½” manual valve -
Compaction zone with ½” manual valve and screening basket with 1” manual valve -
Manifold for compaction zone and screening basket, with 1” manual valve -
Automatic Longopac bagging system for screenings with 1x 80m long bag -
Drive motor premium efficiency IP55  -
IP65 with thermistor overload protection -
Surface treatments*1 -

*1Stainless steel parts: stripping with acid solution, passivation with glass particles, final surfaces cleaning with anti-dust oil. Carbon steel parts: sandblasting SA 2.5 for external anti-rust paint RAL 5015

 

Instrumentation & Controls Standard Supply Optional Supply
Safety limit switches for screen opening hatches -
Screen tank level sensor  Conductive probe -
Ultrasonic -
Solenoid valve kit(s) for selected washing system(s) -
Control panel, for external installation - ✓