Used Christen Kb 2 for sale (78,496)

Condition: good (used), 1 x Edge grinding machine Christen KB 2 Technical data: Working area: Guide rail length: 370 mm Sheet metal thickness: 0 to 2 mm, max. edge passage with guide rails fully open: 3 mm Speed: 3400 rpm Nodofwx Daspfx Abuelh Grinding wheel: 150 x 125 x 42 mm + 125 x 90 x 42 mm Accessories: 2 x grinding wheel with flange 1 x additional flange 1 x wrench for changing grinding wheels The machine can be inspected while powered on.

Condition: excellent (used), functionality: fully functional, Two Christen 2 - 32 drill bit grinding machines, sold as a package. Also available individually. Versatile grinding options up to diameter 32. Nledpfxez Dbcpe Abuoh In very good condition, not repainted. Can be inspected while powered on. Free loading at D - 88433 Schemmerhofen.

Condition: used, Year of construction: 1997, Press force: 1000 t Stroke: 315 mm Strokes per minute: 21 - 42 /min Frame width: 1260 mm Nsdpezypx Tofx Abujlh Side frame opening: 830 mm Shut height (max. stroke, top position, adjustment upwards): 1295 mm Table area: 1250 x 800 mm Ejector force in table: 63 t Ejector stroke in table: 75 mm Table height above floor: 670 mm

Condition: excellent (used), Year of construction: 2018, overall weight: 30,000 kg, Doppstadt DW 3060K Biopower Type F M Shaft - Year of manufacture: 2018 - Engine: MTU R61300 with 490 hp - AD BLUE - Weight: 30,000 kg - Remote control - Humidification system - Rear conveyor belt 7m Nodj Ad N Rnopfx Abuslh - Over-band magnet - Track chassis - Central lubrication system - Limiter - Roller: M 3000mm x 800mm - Teeth: 124 The machine is in its original condition, not repainted, only workshop-reconditioned.

Condition: used, Year of construction: 2017, operating hours: 3,706 h, overall weight: 20,000 kg, Doppstadt DW 2060K Biopower - Year of manufacture: 2017 Nledpfxsz Idb Nj Abush - Engine: Mercedes-Benz OM 926 LA / 326 hp - AD BLUE system - Weight: 20,000 kg - Remote control - Humidification system - Rear conveyor belt, 5 m - Overband magnet - Tracked chassis - Roller: 2000 mm x 600 mm - Teeth: 24

Year of construction: 1975, condition: good (used), functionality: fully functional, drive type: Diesel 130 Kw, Patrol boat from the former GDR, later used by the Berlin Water Police (WSP 1), IFA 6-cylinder diesel engine. Winter-capable, icebreaker rating up to 3 cm thickness, certified for all waters including open sea. Dimensions: 11.90 m length, 2.90 m beam, draft 0.90 m. Top speed: over 30 km/h. Engine: Schönebeck 6-cylinder, 4-stroke diesel, type DM 6 VD 14.5/12-1. According to research, the engine delivers either 170 or 220 HP from 10 L displacement. These engines are known for low fuel consumption: at canal cruising speeds (8–12 km/h), consumption is 6–8 L per hour. Equipment includes signal mast, mast spotlight, boat lighting. Dual helm positions: inside cabin and flybridge. AGM batteries, engine start with 24 V system, 12 V onboard network. Nodpfoy D Rk Iox Abuslh Brand new onboard toilet. Electric and manual bilge pumps (automatic/manual operation). Complete overhaul from 2021 to 2023: 5-layer primer and 3-layer antifouling coating. Steel hull, aluminium superstructure. New electrical wiring, new exhaust system, new clutch, engine overhauled, fuel tank serviced, new lines installed, new air filter. Engine starts and runs flawlessly, forward and reverse gear shifts without issues. Some work is still required to complete comfort features. The vessel is suitable as a small tugboat or as a work or fishing boat. Lower helm station: the gauges still need to be installed; required instruments and switches are included.

Condition: good (used), Year of construction: 2009, functionality: fully functional, Perfect binder with clamp, hotmelt gluing, manual cover feeder, with mobile base, binding length: max 310 mm, book thickness: max 60 mm, output: up to 320 books/h, max format: 320 × 310 mm, weight: 186 kg, 230V power supply. Nedoxt Nywspfx Abujlh

Condition: used, Year of construction: 1988, The Stahl T49/4.KB-F.2, manufactured in 1988, is a machine equipped with four pockets and a flat stack feeder. It features a single cross-cutting unit, enhancing its functionality. This model has a format of 490 mm and is currently located in Germany, available in the Printshop. Format: 490 mm Equipment: 4 buckle plates Nodev Di Sxepfx Abuolh 1 Knife vertical pile feeder

Condition: excellent (used), Year of construction: 2022, Binder BINDER KB 720 Refrigerated Incubator with P Plus Package Battery Test Chamber EUCAR 5, CO₂ Extinguishing System Device Description: For sale is a BINDER KB 720 (E6) refrigerated incubator, year of manufacture 2022, equipped with the upgraded safety and performance test package “P Plus.” This is not a standard laboratory incubator, but rather a high-end safety test chamber specifically designed for aging, performance, and safety testing of lithium-ion energy storage systems. The device is fully functional and has been tested. It originally sustained a transport-related housing damage, which has been professionally repaired and repainted. Technically flawless – visually in very good condition 100% operational – no limitations Price advantage: €1,000 cheaper than comparable units Special Value Added: The unit is designed to reliably detect, monitor, and safely contain critical battery events – up to EUCAR hazard level 5 (fire/flames, no explosion). What exactly can the device do? (Item 2 – Performance & Application) - Aging tests on lithium-ion cells - Performance tests (charge/discharge cycles at temperature) - Long-term temperature runs and thermal cycling tests - Testing of unpowered and cyclical powered cells - Reproducible, precise temperature control throughout the entire chamber - Safe testing under realistic thermal conditions - Test environment for R&D, automotive, e-mobility, and energy storage technology Suitable for: - Battery & cell manufacturers - Research and development laboratories - Test labs & safety testing - Automotive / E-mobility / Energy storage sectors The P Plus package turns the KB 720 into a genuine battery safety test cabinet: Integrated Safety Features: - Automatic & manual CO₂ fire suppression system - Smoke detector with optical and acoustic alarm - Mechanical double-door locking (secure containment) - Spark protection inside chamber - Exhaust port with reversible overpressure valve - Connections for external inertization (e.g., nitrogen) - Emergency stop / manual trigger of suppression system - Cable feedthroughs for charging and measurement cables Result: The device is designed for testing lithium-ion cells up to EUCAR hazard level 5, where fire or flames may occur, but without explosion or uncontrolled propagation. This is not an abuse or destruction testing device, but a compliant, safe test chamber for real-world operational and fault scenarios. Technical Key Data: Temperature range: –10 °C to +100 °C Internal volume: approx. 698 liters Shelves: 4 × stainless steel Max. load per shelf: 45 kg Max. overall load: 100 kg Electrical Data: Power supply: 200–240 V AC Frequency: 50 / 60 Hz Phase: single-phase Power consumption: approx. 2.1 kW Fusing: 16 A Refrigerant: R134a Protection class: IP 20 Dimensions & Weight: External (W × H × D): approx. 1250 × 1950 × 900 mm Internal (W × H × D): approx. 970 × 1250 × 576 mm In summary – why this device is special: - Genuine battery safety test cabinet - EUCAR hazard level 5 capable - Integrated CO₂ extinguishing system - Large chamber (≈700 l) - High market and resale value Nsdpfx Ajyyw E Rjbuelh Weight: approx. 285–300 kg Documents & Downloads Condition: used Scope of delivery: (see photo) (Specifications subject to change and errors reserved!) Further questions? Please feel free to contact us by phone.

Condition: used, Year of construction: 2005, functionality: unexamined, Kaltenbach KBS 620 DG — Horizontal Double-Mitre Band Saw, Year 2005 Specifications Cutting capacity 90°: 620 x 350 mm Cutting capacity 70°: 610 x 350 mm Cutting capacity 60°: 570 x 350 mm Cutting capacity 45°: 470 x 350 mm Cutting capacity -45°: 430 x 350 mm Mitre range: +60° / -45° (double mitre) Blade dimensions: 6175 x 41 x 1.3 mm Blade types: Bi-metal M2, M42, M51 Cutting speed: 15–90 m/min (steplessly adjustable) Feed rate: max. 400 mm/min Construction: Double-column, heavy-duty steel frame Control: NC-controlled mitre angle setting Software: Kaltenbach PROFICUT Cooling: Air cooling + micro oil lubrication Weight: approx. 2,600 kg Features: Suitable for cutting steel profiles, tubes, and flat bars. Hydraulic clamping after angle adjustment, steplessly adjustable blade feed, NC-controlled length measurement. Njdpfx Asyrgrpebuelh

Condition: used, Year of construction: 1987, bore capacity in steel (diameter) 32 mm throat 280 mm bore stroke 110 mm Nlodpfsxqrd Hsx Abueh spindle taper MT 3 table-size 340 x 400 mm turning speeds 210- 2600 U/min total power requirement 1,8 kW weight of the machine ca. 325 kg dimensions of the machine ca. 950 x 450 x 1750 mm

Condition: repair required (used), Year of construction: 2003, functionality: limited functionality, REF: MM6413 1 x Gainsborough Engineering Ltd packing system, previously used to pack small machine components. Comprising of infeed pocket conveyor, vertical form, fill and seal bagger fitted with Zodiac HS printer and an outfeed conveyor. Manufacturer - Gainsborough Engineering Ltd Model of VFFS bagger – GV2K1. Date of manufacture – 2003. Sealing bars - 250mm long (vertical & horizontal). Reel width - 505mm. Current film - 230mm. Sorting / infeed table - 1500mm long x 710mm wide. Outfeed conveyor - 290mm wide belt x 950mm outfeed. Nlodey Hlkbspfx Abueh Overall footprint - 6.15m long x 1.7m wide x 2.2m high. Condition – Not operational, out of action 3-4 months.

Condition: good (used), Year of construction: 2000, • Sanding width (mm): 1350 • Workpiece thickness (mm): 3 - 150 Nledpfx Aewwlm Djbush • Total sanding units: 2 • Longitudinal belt: 2 • Contact roller diameter = 200 mm: 1 /15 kW • Combination unit: with small roller • Cleaning brush: 1 x diameter = 120 mm • Vacuum table • Intermediate lacquer sanding • Constant table height • Carpet cleaning • Longitudinal unit, motor: 15 kW, 1.8 - 18 m/s • Feed rate: 3 - 12 m/min • Sanding belt length, longitudinal unit (mm): 2,100 x 1,400 • Pressure beam: CSD system, electromagnetic, wear-free • Conveyor belt: new • Availability: inspected, in stock

Condition: good (used), Year of construction: 1975, overall weight: 6,000 kg, total width: 1,800 mm, total length: 5,000 mm, total height: 2,900 mm, sheet thickness (max.): 12 mm, Flanging and dishing machine Schleiffstein - KbOL 3012 Tank Head Manufacturing  Dishing and Flanging machine up to 12 mm in 260 Nm/mm2 Forming roll optional for sale Radius 50 / 70 / 100 / 150 / 200 / 250 / 300 Fully hydraulic machine Field off aplication heads, bottoms for vessel, tanks, beverage manufacturing tanks, beer tanks Torispherical heads Ellipsoidal heads Spherical bottoms Nljdozz Ipgopfx Abuoh Dished bottem tank construction Flat bottems Sperical dished bottoms Cones     Max. workpiece: 6500Ø Maximum sheet thickness: 12mm Max. dishing radius: 300mm Min. product Ø: 300 Min. plate thickness: 2mm Min. dishing radius: 50mm Max height on dishing side:350mm Working speed: 0 - 5000mm/min. Power: 20kW Length: 5000mm Width: 1800mm Height: 2900mm Weight: 6000kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Year of construction: 2023, condition: ready for operation (used), A relatively modern corona pretreatment system for single sided aluminum foil coating is available. Material: aluminum foil, intended use: coating, coating sides: 1, web width: 1350mm, treatment width: 1450mm, treatment speed: 3m/min, roll diameter: 125mm, roll length: 1550mm, generator type: Softal 9030, generator power: 3kW. Total system dimensions X/Y/Z: approx. 2000mm/1550mm/1700mm, weight: approx. 1500kg. Including ozone exhaust system RD 4. Documentation available. An on site inspection is possible. Nlodpfx Absyrta Hsush

Condition: used, TIRA Climate simulation chamber / walk-in climate test chamber TIRA TCZ 4022 S -2K Air-cooled | -40 to +140 °C | Refrigerant R449A For sale is a used, walk-in climate simulation chamber from the manufacturer TIRA. The system consists of an insulated test chamber, an air handling unit, external humidification, a machine unit and a control cabinet. It is used for temperature and humidity testing. Nledpfxjz Sn Uvj Abush Technical data: Manufacturer: TIRA Type: TCZ 4022 S -2K Cooling type: air-cooled Temperature range: -40 to +140 °C Temperature stability, supply air: over time ≤ ±0.5 °C; spatially ≤ ±1.0 °C Heating / Cooling: approx. 2 K/min each (-30 to +85 °C, without test item and thermal load) Climate range: +10 to +90 °C Humidity: 10 to approx. 95 % RH Dew point: +5 to +89 °C Humidity stability, supply air: over time ≤ ±2.5 % RH With heat compensation up to 16 kW: +15 to +80 °C; 15 to approx. 80 % RH Dew point: +10 to +74 °C Test chamber (W x D x H): approx. 2260 x 4648 x 2260 mm External dimensions: approx. 2660 x 6460 x 2800 mm Door opening (W x H): 2260 x 2260 mm Climate module KB 127: 1700 x 800 x 1400 mm Control cabinet: 800 x 500 x 2000 mm Power connection: 400 V, 3/PE/N, 50 Hz Rated power: 95 kW; Rated current: 150 A Fuse rating: 200 A, slow-blow Total weight according to specifications: approx. 5834 kg Equipment: Stainless steel interior and floor Double-wing door with viewing window approx. 1000 x 1000 mm Supply air at the top / exhaust air at the bottom on the rear wall Electric heating, direct cooling and dehumidification Bitzer 6G-30.2Y; Refrigerant R449A; Oil SEZ 32 Steam humidifier EDB 40 4 test chamber spotlights à 500 W Insulation: 80 mm PUR and 120 mm mineral wool Floor load: 15,000 N/m²; Wheel load: 1,500 N/wheel (≥ 4 cm²) Application areas: Temperature and climate testing Environmental simulation Material and component testing Quality assurance and development Condition: Used Optical condition according to pictures Scope of delivery: TIRA TCZ 4022 S -2K with associated components as shown in the pictures Items not explicitly mentioned are not part of the sale. Shipping by freight forwarder is possible. Subject to changes, errors and prior sale. We will be happy to answer any further questions by telephone.

Condition: good (used), Year of construction: 1987, overall weight: 42,000 kg, total width: 6,000 mm, total length: 7,800 mm, total height: 3,900 mm, sheet thickness (max.): 22 mm, Flanging and dishing machine SCHLEIFSTEIN - KBol 4022 MACH-ID 9659 Make: SCHLEIFSTEIN Type: KBol 4022 Year: 1987 Range off edge radius Manual 20 - 500 Range off edge radius Automatic 150 - 500 Hydraulic Controllable forming roll drive Hydraulic displacement drive Clamping device without hole Max. pressure manipulator 2000 Psi / 140 bar Max. pressure press 5700 Psi / 400 bar Max. speed forming roll 170 M/Min Kunkel head forming rolls: R = 350 R = 300 R = 275 R = 250 R = 200 R = 175 R = 150   Basket bottem Knocker bottom Pressure vessel bottom Boiler bottoms Flat floor Plate base diffuser bottom Tank bottom Tank bottom Radar reflectors Engine parts Dispense air Silo hoppers Cooker hoods Container parts Hemispheres Max. workpiece: 4600Ø Maximum sheet thickness:22mm Max. dishing radius: 700mm Min. product Ø: 800 Min. plate thickness: 4mm Min. dishing radius: 35mm Power: 90kW Length: 7800mm Width: 6000mm Njdpfx Aezfi Hhobujlh Height: 3900mm Weight: 42000kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Condition: used, Binder BINDER KB 720 Cooling Incubator with P Plus Package Nljdpfx Aezizr Robuoh – Battery Test Chamber, EUCAR 5, CO₂ Extinguishing System Device description: For sale is a BINDER KB 720 (E6) cooling incubator, manufactured in 2022, equipped with the extended safety and performance test package "P Plus". This device is not a standard laboratory incubator, but a high-quality safety test chamber, specifically designed for aging, performance, and safety tests of lithium-ion energy storage systems. Special added value: The device is designed to safely detect, monitor, and contain critical battery events – up to EUCAR hazard level 5 (fire/flames, no explosion). What can the device do specifically? (Point 2 – Performance & Application) Performing aging tests on lithium-ion cells Performance tests (charge/discharge cycles at varying temperatures) Temperature endurance tests and temperature change tests Tests of unpowered and cyclically powered cells Reproducible, precise temperature control throughout the usable space Safe execution of tests under realistic thermal conditions Test environment for R&D, automotive, e-mobility, and energy storage technology Suitable for: Battery & cell manufacturers Research and development laboratories Testing laboratories & safety testing Automotive / e-mobility / energy storage The P Plus package turns the KB 720 into a genuine battery safety test chamber: Integrated safety functions: Automatic & manual CO₂ fire extinguishing system Smoke detector with optical & audible alarm Mechanical double-door locking system (secure containment) Spark protection in the interior Exhaust port with reversible overpressure valve Connections for external inertization (e.g., nitrogen) Emergency stop / manual triggering of the extinguishing system Feedthrough openings for charging and measuring cables Result: The device is designed for tests on lithium-ion cells up to EUCAR hazard level 5, where fire or flames may occur without resulting in an explosion or uncontrolled propagation. Not an abuse or destruction test device, but a safe, standard-compliant test chamber for real operating and failure scenarios. Technical key data: Temperature range: -10 °C to +100 °C Interior volume: approx. 698 liters Inserts: 4 x stainless steel Max. load per insert: 45 kg Max. total load: 100 kg Electrical data: Mains connection: 200–240 V AC Frequency: 50 / 60 Hz Phase: 1-phase Power consumption: approx. 2.1 kW Fuse rating: 16 A Refrigerant: R134a Protection class: IP 20 Dimensions & weight: External (W × H × D): approx. 1250 × 1950 × 900 mm Internal (W × H × D): approx. 970 × 1250 × 576 mm In short – why this device is special genuine battery safety test chamber suitable for EUCAR hazard level 5 integrated CO₂ extinguishing system large chamber (≈700 l) high market & resale value Weight: approx. 285–300 kg Documents & Downloads Condition: used Scope of delivery: (See picture) (Changes and errors in the technical data are subject to change!) We will gladly answer any further questions you may have by phone.

Condition: used, BINDER   BINDER KB 720 Refrigerated Incubator with P Plus Package – Battery Test Chamber EUCAR 5, CO₂ extinguishing system   Device Description:   For sale is a BINDER KB 720 (E6) refrigerated incubator, manufactured in 2022, equipped with the extended safety and performance test package "P Plus".   This device is not a standard laboratory incubator, but a high-quality safety test chamber, specifically designed for aging, performance, and safety testing of lithium-ion energy storage units.   Particular Added Value: The device is designed to safely detect, monitor, and contain critical battery events – up to EUCAR hazard level 5 (fire / flames, no explosion).   What can the device do specifically? (Point 2 – Performance & Application)   Conducting aging tests on lithium-ion cells Performance tests (charge/discharge cycles under temperature) Temperature endurance tests and temperature cycling tests Tests of non-energized and cyclically energized cells Reproducible, precise temperature control throughout the usable space Safe execution of tests under realistic thermal conditions   Test environment for R&D, Automotive, E-Mobility, and energy storage technology   Suitable for: Battery & cell manufacturers Research and development laboratories Testing laboratories & safety testing Nljdpfx Absziznfjujh Automotive / E-Mobility / Energy storage   The P Plus package turns the KB 720 into a genuine battery safety test chamber:   Integrated safety functions: Automatic & manual CO₂ fire extinguishing system Smoke detector with optical & acoustic alarm Mechanical double door lock (secure containment) Spark protection in the interior Exhaust port with reversible overpressure valve Connections for external inerting (e.g., nitrogen) Emergency stop / manual activation of the extinguishing system Feedthrough openings for charging and measuring cables   Result: The device is designed for tests on lithium-ion cells up to EUCAR hazard level 5, where fire or flames may occur, without resulting in an explosion or uncontrolled spread.   Not an abuse or destruction test device, but a safe, standard-compliant test chamber for real operating and fault scenarios.   Technical Core Data:   Temperature range: – 10 °C to +100 °C   Interior volume: approx. 698 liters Shelves: 4 × stainless steel Max. load per shelf: 45 kg Max. total load: 100 kg   Electrical Data: Mains connection: 200–240 V AC Frequency: 50 / 60 Hz Phase: 1-phase Power consumption: approx. 2.1 kW Fuse rating: 16 A   Refrigerant: R134a   Protection class: IP 20   Dimensions & Weight: External (W × H × D): approx. 1250 × 1950 × 900 mm Internal (W × H × D): approx. 970 × 1250 × 576 mm   In short – why this device is special genuine battery safety test chamber suitable for EUCAR hazard level 5 integrated CO₂ extinguishing system large chamber (≈700 l) high market & resale attractiveness   Weight: approx. 285–300 kg   Documents & Downloads   Condition: used   Scope of delivery: (See image)   (Changes and errors in the technical data, specifications are subject to change!)   We will gladly answer any further questions you may have by phone.

Condition: used, Stick electrodes 4.0 x 550 -Type: FOX CM 2 Kb -Analysis: AWS A5.1 Nledpfod Elvxex Abush -Price: per package -Number: 40 packages available -Weight per package: 5.6 kg

Condition: used, functionality: fully functional, Cormidi KB 23 tracked aerial platform Year: 2020 Petrol engine + electric power supply Electronically controlled stabilizers Hydraulic platform levelling with electric control Maximum working height: 22.30 m Maximum working outreach: 11.75 m Maximum working area reach: 20.30 m Nodpfx Ao Adqv Ssbuelh Under-bridge work capability: up to -5 m Provision for crane and winch Good overall condition Available immediately (current location: Denmark) WE WILL CONSIDER TRADING VEHICLES OF ALL BRANDS, INCLUDING MAN, MERCEDES, DAF, RENAULT, VOLVO, SCANIA, EQUIPPED WITH CIFA, SERMAC, OR PUTZMEISTER EQUIPMENT; OR EARTHMOVING MACHINERY FROM CATERPILLAR, FIAT HITACHI, OR KOMATSU.

Condition: good (used), Stick electrodes 2.5 x 250 -Type: FOX CM 2 Kb -Price: per package Nlodpfed Emhlex Abujh -Number: 8 packages available -Weight per package: 3.3 kg

Condition: good (used), Stick electrodes 4.0 x 350 Nloded Elv Ajpfx Abueh -Type: FOX CM 2 Kb -Price: per package -Number: 4 packages available -Weight per package: 4.8 kg

Condition: excellent (used), functionality: fully functional, Year of construction: 1989, machine/vehicle number: WB-Res, DEMAG KBK overhead crane system, span approximately 11x7m – extension possible! Load capacity / lifting capacity 1000 KG - 1 ton Technical data of the system: Crane track made of Demag KBK2 rails The system is delivered complete: KBK rails, rail connectors, running gears, end plates, cable carriers, supports/hangers, etc. including power supply in the bridge! including Demag PK5 1000KG chain hoist Crane is disassembled and immediately available Several bridges with spans from 5-8m are available, please inquire about the required dimensions (length and width)! Available load capacities: 500, 700, 800, 1000 KG Very good condition, see pictures Item location is 75053 Gondelsheim Shipping by freight forwarder or collection by appointment only Demag KBK1, KBK2 and KBK3 rails are in stock! Nledpfx Ajzxa Rwebujh Other KBK systems are also in stock. Load capacity 125KG - 1600KG Please inquire about your overhead crane system with the required load capacity and dimensions.

Condition: used, Year of construction: 2016, operating hours: 15,000 h, functionality: fully functional, machine/vehicle number: kom 4892, Set of dryer equipment, including: Loading bunker Oversize vibrating screen Chain conveyor to dryer Nsdpfsxa Drhsx Abuslh Belt dryer Chain conveyors from dryer Vibration separator