Used Esta Srf Welding Fume Extractor for sale (6,663)

Condition: used, Year of construction: 2019, functionality: limited functionality, total width: 1,500 mm, total length: 2,000 mm, total height: 3,000 mm, overall weight: 1,200 kg, Equipment: documentation/manual, The system is used to clean the air in industrial halls and, depending on the filter configuration used, can be employed for the collection or filtration of dust, smoke, or welding fumes. IVAT filter towers are generally designed for industrial air purification in halls. The filter tower has a motor output of 18.5 kW and was manufactured in 2019. The machine is in used condition with signs of wear and tear consistent with its age and use. The drawer at the bottom has a slight leak. An inspection and functional test on-site can be arranged. The item is sold as shown in the pictures. Key data: Manufacturer: IVAT GmbH Machine type: Filter tower / extraction unit Model: Profi-Tower 28000 K Motor output: 18.5 kW Year of manufacture: 2019 Condition: used Application area: industrial air purification in halls / extraction CE marking: available Nwsdpfx Aaezq D Idozsl

Condition: excellent (used), Servatechnik extraction Nwjdpfxjx Nbnne Aazjl

Condition: reconditioned (used), Year of construction: 2020, machine/vehicle number: W20-0648-01, functionality: fully functional, Kiekens mobile dust extractor, type: DMF1258M-B1Z22, number: DM1200000, year of construction: 2020, 400 V, 3 Ph, 50 Hz, 16 A, 2.2 kW, weight: 330 kg, dimensions: 800 mm x 950 mm x 2100 mm, serial number W20-0648-01. The dust extractor was completely cleaned and checked. Dustmaster 1200 The Kiekens Dustmaster DM1200 series is designed to quickly and effectively extract (fine) dust. By applying the Kiekens K-series modular concept, the Kiekens Dustmaster DM1200 series can be widely used. The DM 1258 is designed for a variety of extraction processes, in either fixed, centralised or mobile applications, for: ƒ grinding / milling / polishing ƒ sandblasting / sanding , cutting / routing, ƒ packaging / mixing ƒ welding. ■ Extraction of powders, chips and fumes including: ƒ metals ƒ plastics / synthetics ƒ food / pharmaceutical ƒ rubber / leather ƒ wood ƒ others ■ A 2m or 3m extraction arm for variable extraction movement is optional. Principle of operation and benefits: The dust-loaded air enters the Dustmaster through the Ø160mm inlet via a hose or extraction arm (optional upon request). o The elbow arrests dust movement, and the tangential inlet causes a cyclonic effect to enhance the separation of the dust from the air stream. p The heavier dust particles are separated from the air stream and collected in the oversized 120 litre dust container. The large volume enhances dust settlement and allows longer operations. q The air streams upwards towards the powerful 2.2 kW industrial fan, which produces high suction performance. r The lighter dust particles are collected on the large high efficiency M class 5.8 m2 envelope (or 8.8 m2 cartridge) filter, with DM 1258M (ENVELOPE FILTER) ƒ Heavy-duty polyester needle felt (PNF) with Teflon coating, envelope-type filter design ƒ High efficiency, M class. Motor starter with phase indication lamp ƒ Filter monitoring pressure gauge; Filter cleaning handle for DM 1258 (motorised option available) High capacity 120 litres dust container provides high dust handling capacity. ƒ Castors for easy movement ƒ Detachable with simple release lever ƒ Special versions for the explosion zones 2 (gas) and 22 (dust) are available. Other zones and earthed options on request. Disposable bags can be used to line the container For the Romanian companies, there is the possibility of financing leasing in instalments with a minimum of 40-50% down payment. Price 4.200 Euro + VAT, negotiable, FCA: Oradea/Romania Nodpfx Ajvccc Ijazjwl Irrtum, Änderungen und Zwischenverkauf vorbehalten /Subject to errors, changes and prior sale /Ne rezervăm dreptul la greșeli, modificări și vânzare. We speak English. /Wir sprechen Deutsch. / Beszélünk magyarul. /Nous parlons français/Vorbim romana

Condition: like new (used), Year of construction: 2018, Laser Welding Robotic system for welding steel, stainless steel. Scope of supply: 1 x YASKAWA 6-axis robot YASKAWA HP20RD.(Payload: 20kg, H-Reach: 2017mm, Robot Mass: 293kg, 2010.04) 1 x YASKAWA DX100 controller.(2010.05). 1 x IPG YLS-4000.(2017). 1 x IPG CHILLER.(2017). Nwsdpsh Ad E Uofx Aazel 1 x HIGHYAG BIMO LASER WELDING HEAD(S.N.:BIMO2W17013). Machine can be inspected. Very good condition. Connected, can be tested. Shipping to EU countries is our responsibility and the shipping cost is free.

Condition: new, Year of construction: 2022, functionality: fully functional, machine/vehicle number: 21_0346, NEW - NEVER USED heavy-duty positioner for manual or robotic welding - lifting and turning device. Special Device for Special Tasks designed and produced by FÖRSTER welding systems GmbH. Nwsdpfx Aeurlcrsazsl Max diameter of the workpiece: 2500 mm Max weight of the workpiece: 20 tons Dimensions of the welding positioner: 7000x3000x3750 mm Weight [without counterweigh]: 20 000 kg Overall dimensions of the whole system: 8900x4800x3750 mm Total weight of the whole system: 40 000 kg Counterweight included with the machine. Full documentation available. Manufacturer's technical support on request. Machine located in central Poland.

Condition: excellent (used), Machine ready for operation. 1000-litre tank. 500-litre tank. The station was used for cleaning a soup and mayonnaise production line. Please check my other listings as well. Njdpfx Aeytm Tioazewl

Year of construction: 2006, condition: good (used), Flame cutting system, torch, oxyfuel cutting system, machine cutting torch, flame cutting machine, cutting torch, cutting machine, oxyfuel cutting machine, gas cutting torch -Manufacturer: Messer Cutting & Welding, machine cutting torch, flame cutting machine Nedpfxoxy Hqto Aazswl -Type: Quicky -Cutting speed: adjustable -Voltage: 230 V 40 W -Dimensions: 520/280/H330 mm -Weight: 7.8 kg

Condition: like new (used), GIF Kitchen Ventilation Ceiling Ventilation Ceiling System The optimal solution for kitchen ventilation, commercial kitchens, and the food industry. The best alternative to extractor hoods GIF kitchen ventilation ceilings are installed in: • Company canteens • Hospitals, clinics • Restaurants / hotels • Retirement homes, homes for the disabled, and children • Military accommodations, field kitchens • University cafeterias, school kitchens • In-flight catering • Correctional facilities • Public facilities Patented quality – Made in Germany The GIF kitchen ventilation ceiling is a complete, wall-to-wall, surface-active solution including large-area exhaust and supply air panels, lighting, and compensation surfaces with an installation height of just 200 mm. The use of the ceiling cavity as a pressure chamber in accordance with Nwedpfot Hglkex Aazol VDI 2052 enables implementation as an "open" or "closed" system, always maintaining the largest possible proportion of air-active surfaces. The large-scale capture of frying, cooking, and other fumes, as well as the large-scale, low-turbulence supply air intake, guarantee a comfortable climate free from condensation and drafts. The unique modular system offers maximum transparency and hygiene thanks to its fully reversible design. The unique modular system offers maximum transparency and hygiene thanks to its fully reversible design. On the supply air side, the GIF active cassette ceiling is used for low-turbulence, large-scale supply air intake according to the stratified flow principle. An energy-efficient solution is thus standard. The special design ensures indirect supply air guidance, even for high air volumes at low inlet velocities, without an induction pulse. Since the active cassettes are identical in the exhaust and supply air areas, they can be interchanged at will. Facts and Benefits Complies with or exceeds current guidelines (VDI 2052, VDI 6022, EN 16282), including accessibility to underlying components (no access openings required). Durability of the material: CNS 1.4301 Integrated deflection system for rapid pulse reduction Economical and hygienic cleaning of only 4 parts per m² in the dishwasher Pulling and pushing of the active cassettes in the support profiles makes them easy for anyone to remove without tools Partial cleaning possible as needed No need to climb onto greasy, hot kitchen appliances (risk of slipping) HACCP-certified process Technical Specifications Exhaust Air Air flow rate: 260-300 m³/h m² Separation efficiency: up to 97% Dimensions: 500×485 mm Pressure drop: 20-25 Pa Material/Surface: CNS Material No. 1.4301 Weight per m2 without support structure: 10.00 kg Draft air flow: 360-500 m3/h m2 Dimensions: 500×485 mm Pressure drop: 25-30 Pa Material/Surface: CNS material No. 1.4301 Weight per m2 without support structure 10.00 kg Airflow velocities: less than 0.2 m/s Ceiling area: 6500 x 3000 mm 19.50 m² 300 supply air flat ceilings, 250 x 485 mm 200 supply air flat ceilings with sound absorption, 250 x 485 mm 220 active cassette ceilings, 500 x 485 mm 14 system support profiles, 6500 mm 7 system support profiles, 2000 mm Lighting fixtures installed flush with the ceiling in the GIF ventilated ceiling Financing through our bank is also possible. komplett-konzept.leasingo.de Further items in other sizes – new and used – can be found in our shop! International shipping costs upon request!

Year of construction: 2014, condition: ready for operation (used), laser power: 260,000 W, Laser welding machine manufactured in 2014. This RONDA IMPIANTO CHIUSURA E SALDATURA LASER is designed for tube processing, currently configured for TIG welding and tack welding operations. It features a tube diameter range of 219 – 1,500 mm and a tube thickness of 3 – 12 mm. The machine operates with 8 pushers and is controlled from an external workstation. If you are looking to get high-quality welding capabilities, consider the RONDA IMPIANTO CHIUSURA E SALDATURA LASER machine we have for sale. Contact us for further details. • Current application: TIG welding / tack welding • Original application: Laser system (currently disabled) • Tube diameter capacity: 219 – 1,500 mm • Tube thickness capacity: 3 – 12 mm • Tube length capacity: 3,000 – 13,000 mm • Working system: 8 pushers (4 lateral + 4 upper) • Torch: TIG torch on front head • TIG wire diameter: 1.2 mm • Shielding gas: Argon Nwodpfxszdz Nxo Aazsl • Machine control: External workstation with cycle start • Laser status: Laser element disabled in the current configuration Additional equipment • Former laser equipment available in stock: laser generator and extractor (can be included in the sale)

Condition: excellent (used), Year of construction: 2010, functionality: fully functional, total height: 3,934 mm, The device has been dismantled and brought from Germany. It is currently located in a warehouse in Poland. Nsdpfsx A It Ijx Aazjwl

Condition: good (used), Year of construction: 2023, functionality: fully functional, type of input current: three-phase, total height: 1,200 mm, total width: 790 mm, total length: 1,200 mm, input voltage: 380 V, ground cable length: 3,000 mm, overall weight: 205 kg, warranty duration: 12 months, type of cooling: water, hose package length: 5,000 mm, input current: 16 A, laser power: 2,000 W, laser wavelength: 1,080 nm, Equipment: documentation/manual, type plate available, Handheld Laser Welding Machine AIRTECH 2kW – Top Technology for Efficient Sheet Metal Welding Demonstration Unit – Excellent Condition Discover the smart and high-performance solution for precise laser welding: the Airtech handheld laser welding system with 2,000 watts of power! Perfectly suited for demanding sheet metal fabrication – efficient, safe, and highly versatile. Highlights and Features: - Power output: 2,000 watts for superior weld quality and speed - Laser wavelength: 1080 nm, continuous operation with modulation frequency up to 20 kHz - Handheld laser welding head – ideally designed for ergonomic operation - Robust housing and intelligent internal structure for maximum durability - Touchscreen display for intuitive operation - Optional automatic multifunctional wire feeder - Safety features: three-color alarm, safety interlocks, and protection against operating errors - Cooling via separate water circuit with 13-liter tank capacity - CE-certified components according to European standards Your Benefits - Work safely thanks to comprehensive protection mechanisms and alarm systems - Flexible applications, including automatic wire feed and robot integration Nsdpfx Aon Sl Dboazewl - Low operating costs and easy maintenance due to well-designed engineering and long-life components For more information or consultation, the Airtech team will be happy to assist you!

Year of construction: 1986, condition: good (used), Radial fan, high-pressure radial fan, dust extraction blower, exhaust gas extraction, welding fume extraction, extraction, extraction blower, fan, pressure blower, vacuum blower, ventilation blower, blower, radial blower -Manufacturer: Rippert, radial fan, extraction blower -Type: HL8-560-A -Volume flow rate: 22800 m³/h -Total pressure: 4200 Pa -Motor: Schorch 37 kW 1470 rpm Nsdjz Ehd Aepfx Aazjwl -Inlet connection: Ø 560 mm -Outlet connection: Ø 560 mm -Fan wheel: Ø 940 x 200 mm -Protection class: IP 54 -Dimensions: 2830/1230/H1700 mm -Weight: 950 kg

Condition: new, Unused Langfields approximately 7,766 litre total capacity Nickel 200 (BS3072N11) vertical mixing vessel. Unit measures approximately 1950mm straight side x 1950mm diameter. Unit has welded dished top and bottom heads. Internal rated 18.35 Bar design pressure at 200 deg.c. Unit has a top entry (2) tier (3) pitched blade Nickel 200 agitator driven by 3 kW variable speed drive at 1420rpm with double mechanical seal and thermistors. Unit is mounted on (4) carbon steel legs. Specifications: Capacity: 7,766 L Internal Pressure [Y/N]: Yes Mixer/Agitator [Y/N]: Yes Tank Bottom: Dish Diameter: 1,950 mm Straight Side: 1,950 mm Vertical/Horizontal: Vertical Legs/Lugs/Skirt: Legs Nodpfxezbt U Ne Aazswl

Condition: good (used), Year of construction: 2023, functionality: fully functional, laser power: 1,200 W, Laser welding machine MaxPhotonics MA1-45, manufactured in 2023, with wire feeder, handheld laser gun with 5-meter cable, ground wire for safety with 5-meter cable, basic assortment of nozzles (for various applications), 1 Protect Starlight safety glasses, nitrogen pressure regulator, with wobble function, deflection 0-4mm, suitable for structural steel, aluminum, and stainless steel. Up to 4mm thickness. Interface for external safety components. The machine is fully functional. Njdpfx Aasz D Dwcezswl

Condition: used, Used Ardeth Engineering approximately 70,524 litre total capacity (approximately 50,000 litre working capacity product dependent) stainless steel vertical reactor vessel. Unit has welded dished top and bottom heads. Internal rated 8 bar/full vacuum design pressure at 350 deg.c. External limpet coil jacket rated 8 bar/full vacuum at 350 deg.c. Internal coil rated 8 bar/full vacuum at 350 deg.c. Unit includes top entry stainless steel 2-tier, 4-blade agitator with bottom mounted steady bearing. Agitator driven by Hagglunds type SM CB 2000 hydraulic drive. Reactor is mounted on (4) mild steel side support lugs. Specifications: Capacity: 70,000 L Internal Pressure: 8 bar Internal Temperature: 350°C Jacket Pressure: 8 bar Jacket Temperature: 350°C Type Of Heads: Welded Dished Nsdpfozfifdsx Aazjwl Legs/Lugs: Lugs

Condition: as good as new (ex-display), Year of construction: 2018, functionality: unexamined, total width: 40,000 mm, total length: 9,000 mm, total height: 7,000 mm, type of input current: three-phase, IBC unloading and cip station EX with fume ventilation 5 ibc conatiners with driptray 2 product pumps Nwedpfx Aaora Dlpszol completely 316 stainless never used welding documentation registration available simatic panel

Condition: excellent (used), For sale: Professional industrial extraction unit by TEKA, model STRONGMASTER BIA, designed for welding fume extraction and air pollution control. ‼️ VERY LOW HOURS – ONLY 1,550 OPERATING HOURS (this is rare for this type of equipment) ⚙️ Technical specifications: Manufacturer: TEKA (Germany) Model: STRONGMASTER BIA Capacity: 3,000 m³/h Max. negative pressure: 2,500 Pa Motor power: 1.1 kW Power supply: 400V (3PH + N + PE) Frequency: 50 Hz Rated current: 2.5 A Protection class: IP54 Control voltage: 24V Weight: approx. 130 kg 🔧 Equipment: Flexible extraction arm Industrial filter Control panel Operating hours counter Mobile chassis with wheels Nsdpfx Aaoyz Dilszjwl 🔍 Condition: Used equipment, in good technical condition. Normal signs of use visible. ✅ Low hours – only 1,550h ➡️ Equipment is only lightly used ➡️ Significant potential for further operation

Condition: good (used), Year of construction: 2016, functionality: fully functional, Includes 1 arm. Nwedpfx Aez Dv Dnsazjl

Condition: ready for operation (used), functionality: fully functional, Year of construction: 2011, overall weight: 1,500 kg, Professional grinding table, scissor type with built-in fume and dust extraction. Used in grinding, polishing, soldering, welding and cleaning processes with hand tools. Built-in metal pre-filter, which separates coarse dust particles, metal filings and is designed to capture sparks so that they do not get into the filter (spark catcher). Electrically lifted table. Table equipped with rollers and pneumatic connections for connecting tools. New filter inserts have been installed in the extractor. Built-in table lighting. Device in very good condition. Parameters: Extraction capacity - 3000 m3/h Negative pressure - 2400 Pa Nodpfsv Tbaajx Aazswl Year of manufacture - 2011 Work table width - 1.90m Work table depth - 0.80m Overall dimensions: Work table: Length - 2.10m Depth - 1.40m Height - 2.30m Extraction: Length - 1.20m Width -1.00m Height - 2.35m Total weight - 1500 kg

Condition: good (used), Dust extraction fan, extraction, dust blower, extraction system, dust blower, dust extraction device, separator, welding fume filter, welding fume extraction, flue gas extraction fan, filter system Cartridge dust extraction system -Manufacturer: TEKA, filter system for extraction system including control unit with frequency converter -Type: ZPF9 -Cartridge filter: see photos -Inlet/Outlet: Ø640 mm / Ø640 mm -Extraction capacity: up to 20,000 m³/h -Note: A filter unit only, without a suction fan, can be supplied for an additional charge (ID38772) Nwjdozukp Aspfx Aazel -Dimensions: 1840/1475/H2670 mm -Weight: 689 kg

Condition: excellent (used), Year of construction: 2017, Separator, dust separator, welding fume filter, filter system, cartridge dust extraction system, cartridge filter unit, cartridge filter -Condition: unused, without extraction fan Nedpfxsytgrxs Aazswl -Manufacturer: INFASTAUB, filter system cartridge filter with pneumatic filter cleaning -Type: AJV 800-980-22 P -Cyclone separator: made of stainless steel -Inlet opening: Ø 110 mm -Outlet opening: pneumatic shut-off valve Ø 300 mm -Dimensions: 1730/1730/H5500 mm -Quantity: 2 pieces available Price: per piece -Transport dimensions: 4 loading meters, height 1730 mm -Weight: 1120 kg

Condition: new, Unused Briggs of Burton approximately 1,200 litre 316/316L stainless steel process vessel. Unit measures approximately 1,200mm diameter x 870mm straight side. Unit has bolted dished top and welded hemispherical bottom head. Internal rated 10 bar/full vacuum design pressure at -20 to 210 deg.c. External 304/304L stainless steel jacketed rated 10 bar/full vacuum design pressure at -20 to 210 deg.c. Unit has top entry 316/316L stainless steel gate type agitator fitted with PTFE wall scrappers, driven by 11kw motor/gearbox. Unit includes bottom entry Silverson model BE600 316/316L stainless steel emulsifier driven by 22kw motor. Unit is mounted on 304/304L stainless steel legs. Specifications: Power: 11 kW Njdpfx Aoyhd Imsazswl

Condition: new, Year of construction: 2022, Model DPL-1530HP-4 kW 8 levels, 3000x1500mm (300kg load per level) Loading and unloading system Laser Raycus 4 kW Control system FSCUT 2000ER Laser head Raytools BM115, autofocus Nsdpfoci Ik Sex Aazjwl Chiller Hanli 3.8 kW Air blower 11kW Nesting software Cypnest-Nesting Software Low-pressure gas alarm, gas pressure monitor, and software control Voltage stabilizer 48-72 KVA Enclosure according to Laser Class 4 Heavy-duty machine base. High-performance servo motors. Intelligent cutting control system, easy operation Fast tack welding, supported by segment and step tack welding technology Specialized air duct with oversized diameter, ensuring smooth fume extraction. Completely enclosed design European CE standard Dual shuttle tables provide a high level of safety and convenience. Positioning accuracy ±0.05/1000mm Repeat positioning accuracy ±0.03/1000mm Acceleration 1.6 m/s² Max. speed 120 m/min Sheet metal loading capacity 1500 kg Size 8907×2813×2658 mm Laser power 6000 W Control system FSCUT 2000 Machine power 32-48 kW Voltage 380V/50Hz Delivery time: 5 months (construction time + transport) Delivery to customer's premises: €3,500 Installation and training: €8,850 Industry 4.0 software: €9,500 FILTERCUBE 2H, 4.0 kW, 40 m²: €10,500 The Filtercube series is a dust extraction system equipped with filter cartridges, used for fume filtration and dust removal.

Condition: like new (used), functionality: fully functional, Year of construction: 2024, control type: CNC control, degree of automation: automatic, controller manufacturer: KIMLA, laser type: fiber laser, laser source manufacturer: IPG, laser power: 6,000 W, sheet thickness (max.): 25 mm, sheet thickness steel (max.): 25 mm, sheet thickness stainless steel (max.): 14 mm, sheet thickness aluminum (max.): 12 mm, sheet thickness brass (max.): 12 mm, sheet thickness copper (max.): 12 mm, table length: 3,100 mm, table width: 1,600 mm, working length: 3,100 mm, working width: 1,600 mm, travel distance X-axis: 3,100 mm, travel distance Y-axis: 1,600 mm, travel distance Z-axis: 120 mm, cutting speed: 10,800 mm/min, type of cooling: water, overall weight: 10,000 kg, total length: 8,200 mm, total width: 2,800 mm, total height: 2,400 mm, Equipment: CE marking, cooling unit, documentation/manual, dust extraction, emergency stop, fume extraction, safety light barrier, * Dual automatic shuttle tables ensure continuous operation: while cutting on one pallet, the operator can load or unload the other. * Beam-shaping module for adjusting the laser beam profile. * The optical delivery fibre includes a safety circuit preventing operation with a damaged fibre or connector. Nwsdpfx Aaozu Nm Hszsl * Automatic oxygen/nitrogen assist gas distribution with pressure control, low-pressure protection and real-time adjustment. * Compressed-air cutting capability. * Automatic cutting head height control with collision protection and nozzle height calibration. * Automatic sheet position detection aligns the toolpath with the sheet and supports automated loading. * X- and Y-axis linear motors with a 20 kHz control loop provide high dynamics on complex contours. * Dual-sided linear motor gantry drive enables high acceleration without loss of geometric accuracy. * Renishaw absolute position measurement ensures precise positioning, straight cut edges and gantry skew correction. * Monolithic, FEM-optimised frame with composite-concrete-filled chambers; no special foundations or anchoring required. * Linear guide and actuator mounting surfaces are machined in a single setup for high rigidity and accuracy. * Automatically locked front doors with laser-protection windows and protective glazing. * Integrated cooling unit with digital temperature stabilisation. * Steel slat-bed pallets with precision mechanical locking. * Servo-controlled chain-driven pallet changer; table changeover speed: 1 m/s. * Automatic diagnostics, diagnostic reports and free remote internet diagnostics after warranty. * Common DC Bus technology recovers braking energy and reduces power consumption. * Integrated CAD, CAM, CNC nesting and control software with DXF/DWG editing, process selection and toolpath generation. * Software can be installed on additional workstations for offline cutting-plan preparation. * Ethernet connectivity enables integration with IT and production systems. * Parts, sheets and reusable remnants libraries support nesting on partially used sheets. * Project-specific process parameters can be adjusted without changing subsystem settings. * Automatic trim-cut generation for partially used sheets. * Multifunction control panel with keyboard, mouse, USB and gas-pressure controls. * Patented Dynamic Vector Analysis with real-time Ethernet drive communication. * Zoned fume extraction, pulse-cleaned dust collector and laser safety barriers around the pallet exchange area. * PC-CAM imports DXF/DWG files and automatically generates G-code, allowing job preparation at the machine. * Dynamic Vector Analysis maintains high speed on complex contours and shortens cutting times. * High-power-density linear motors provide high acceleration and dynamics. * The compact monolithic frame is welded and machined in a single setup for high rigidity and geometric accuracy. * The electrical cabinet is mounted above the machine, reducing its footprint. Side doors provide easy access to the cutting table.

Condition: ready for operation (used), Anti-spark centrifugal extractor fan Cardboard filters “Paint-Stop” filter Electric panel with IP55 protection class Nwedpfxew Rpxcj Aazel Ceiling light with IP65 protection class Emergency push-button Discharge hopper