Filtering system

AL-KO Eco Jet Duo 6 XL ZRS 2 x 7,5 k

Used System

Year of Manufacture: 2023

Condition: Like new, very few operating hours


Features and Technical Specifications:

ECO JET DUO 6 XL ZRS stationary clean air filtration system for extracting wood dust and chips

Fans: 2 x 7.5 kW

Airflow: 10,000 m³/h

Vacuum pressure: 2,700 Pa (total) / 2,200 Pa (static)

80 filters, each 2.50 m long, BIA Category M, electrically conductive, incl. support baskets

Filter area: 77.6 m²

Filter loading: 129 m³/(m² x h)

Filter cleaning: AL-KO OPTI-JET®

Pressure relief areas: 0.84 m² (rupture discs)

Base structure with hopper and rotary valve; dry conveying with C-coupling

ECO JET DUO 6 ZWR XL, 1,100 mm spacer ring for raising the unit, with 2 intake openings

Base unit with feed hopper and ZRS 960/1 FG rotary valve for chip disposal via a customer-supplied transport fan into a silo or similar; transport line DN 200, approx. 1,260 mm, connection to be provided by the customer


Rotary valve ZRS 960/1 FG:

- ATEX Directive 94/9/EC; CE 0588 Ex II 1D/- (unit for indoor/outdoor use); EX D; FSA 11 ATEX 1614X

- Motor: 0.18 kW / 0.78 A, 3-phase / 400 V / 50 Hz

- Protection class/enclosure type: IP 54 / B3; Insulation class F

- Speed: 41 rpm; Flow rate: 15,744 l/h*; 7 cells

- Inlet/Outlet: 960 x 250 / 960 x 208 mm

- Dimensions: 1,100 x 605 x 330 mm; Temperature range: up to 50 °C


Additional features:

- 400 mm suction inlet with check valve in rectangular duct

- ECO JET backflow check valve 910 x 346 x 500 mm


AL-KO Control System ACS II:

- Touchscreen display, ST 1200 controller, Sitop Power power supply, 24 V control voltage, and integrated frequency converter for cascading up to 2 fans up to 37 kW with frequency converter transfer

- Plain-text error messages on the display, as well as a collective error message and indicator light; manual start of discharge via display button and cleaning via button; cleaning start via differential pressure; Post-cleaning; external start via potential-free contact; operating hour counter; maintenance interval indicator; control cabinet lighting and ventilation; monitoring/evaluation of fire damper, residual dust sensor, fill level sensor, and maximum filter pressure
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- 10 individually controlled solenoid valves

- Gate valve control in groups of 4 for up to 8 machines: control via potential-free contact (PFC) or induction coil; 24 V DC shut-off valves, motor-driven with single-wire control or electropneumatic; max. 4 plates per conveyor line

- ZRS power module up to 0.18 kW; time parameters adjustable via touch display

- Rupture disc sensor and evaluation unit; pressure transmitter for frequency converter; pressure cells; strobe light; 2 x PTC thermistor evaluations; rotation monitoring of the rotary valve

- 24 V DC supply air/return air switching for summer/winter operation

- Filter monitor/residual dust monitoring with evaluation unit in accordance with DIN EN 12779 and H3: If 0.3 mg/m³ is exceeded, a self-holding alarm is triggered and the recirculation damper switches to exhaust air

- 10-terminal junction box, 24 V/230 V, fully wired for filter cleaning, including approx. 6 lfm of cable

- Ducting system including elbows, branch pipes, reducers, PU hoses, machine connections, small parts, and EP dampers for exhaust from 11 woodworking machines 1 HRS as specified

- Return air system in accordance with TRGS 553, with changeover damper and fire damper

- Galvanized base frame for container l...