Filter system, immediately available! NEW in original packaging! 1.1. STfp-rFan DER4 450/550/18.5-2 | incl. backdraft damperExtraction fan, "DER4" series for clean air-side installation, single-sided suction, direct drive. Main design features: Spiral housing made of galvanized steel, pre-configured for horizontal installation in MultiStar series filters IEC standard motor High-performance impeller with backward-curved blades, designed for clean-air extraction operation Suction nozzle with spark protection Impeller made of welded steel, statically and dynamically balanced For explosion protection reasons, the fan is not suitable for conveying explosive dust/air mixtures! Technical data and performance:Volume flow (max. permitted): 15,000 m3/hTotal pressure increase: 3,000 PaInlet nozzle: 450 mm diameterOutlet nozzle: 450 mm x 355 mmDrive motor: 18.50 kW, 3000 rpm at 50 Hz | 3600 rpm at 60 HzVoltage / Frequency: 400 V, 50 HzMotor efficiency class: IE3, Premium EfficiencyWeight, approx.: 330 kgRotation direction: RD 0 1.1.1. STcold conductor 18.5 kW 1.2. STMultiStar VR 6.6-195.25317AMultiStar modular filter system, with vibration cleaning, for installation outside explosion hazard zones. Design features:Galvanized, self-supporting sheet steel constructionPressure surge resistance 200 mbar (type tested, Dekra-Exam 342863200a-23ExA-Sip)Housing negative pressure resistance max. 5500 Pa (avoid fluctuating stress)EU type-tested rupture discsWeather protection cladding of the filter section with inspection door(s) and required number of exhaust nozzles (depending on air volume) Fire resistance EW 90ef, MPA-tested Clean-air nozzle, as per project drawing BG-tested needle felt filter material, suitable for wood and paper dust and many other types of dust Filter bags, externally pressurized, with reusable internal support elements Filter cleaning occurs during operation breaks Expansion chamber for pre-separation The permissible fill level of the expansion chamber strongly depends on the material properties (bulk density, grain size, tendency to form bridges, etc.) and is approximately 400...700mm. Inspection door with viewing window and limit switch Connection shaft for rotary valve, or similar. Technical data and dimensions:Filter area: 195 m²Filter bags: 144 pcsFilter bag length: 2530 mmBag diameter: 170 mmShake-off: 0.18 kW, 400 V, 50 Hz - 1 unitAgitator drive: 1.50 kW, 400 V, 50 HzFootprint, L x W: 2880 mm x 2880 mmSpace requirement, L x W: Space requirement as per system drawingHeight: 9110 mm Additionally included in delivery: Dry fire-extinguishing line, consisting of: o C-hose connection with blind coupling * o Riser pipe from filter base o Distributor pipe system with sprinkler nozzles o Notice sign Note: According to DIN EN 12779:2016 sec. 5.4.2.3, the water connection must be arranged 0.4 m to 0.8 m above the floor and, in the event of a fire, be safe and easily accessible for connecting a fire-fighting hose. The BGHM additionally recommends installing a dirt trap in the riser. The components, installation materials, and labor required for this are not included in the basic price of the dry extinguishing line. These can optionally be provided by the customer or as a custom-built stand = 3000 mm special height. The base frame is not included in the scope of delivery and will be designed and specified separately.1.2.3. Additional S
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