Used Dryer for sale (1,792)

Condition: used, Year of construction: 2015, Ride-on scrubber dryer, scrubber dryer, floor cleaning machine, mop machine, floor cleaner -Manufacturer: Hako, scrubber dryer with traction drive -Type: Scrubmaster B30 -Voltage: 24 V / 1.1 kW Ljdsr Htncopfx Adwsrg -Battery: 2x Hoppecke 12 V 80 Ah, see photo -Dimensions: 1250/780/H1100 mm -Weight: 151 kg

Year of construction: 2001, condition: refurbished (used), functionality: fully functional, with safety system for solvent-based substances according to DIN 1539, including exhaust air fan, supply air cage filter, as well as concentration monitoring and recirculation filter wall in the interior Completely overhauled, 12 months warranty -Internal dimensions (WxDxH): 1000 x 1000 x 1500 mm -External dimensions (WxDxH): 1900 x 1430 x 2315 mm -Volume: 1500 liters -Max. temperature: 300°C -Eurotherm Controller 2404 (20 programs, each with 16 segments) -Eurotherm data recorder -Connected load: 29 kW -6 mesh shelves included, as well as V2A support brackets -Minimum exhaust air volume flow: 360 m³/h -Maximum permissible solvent quantity: 36 g at nominal temperature of 300°C -with concentration measurement -Window seals renewed -Approximate net weight: 1200 kg -Including documentation, CE Declaration of Conformity Viewing possible by appointment in our warehouse. Lrjdpfxovcb U Ae Adwog We supply new and used industrial furnaces. Contact us! Oven, drying oven, kiln, heat oven, heating cabinet, industrial oven, paint dryer, tempering oven, heating oven, annealing oven, temperature oven, drying cabinet, chamber oven, curing oven, recirculating air drying cabinet, recirculating air oven, solvent oven

Year of construction: 2004, condition: used, Koch dryair tanks 1x100 L 1x200 L 1x400 L with auxiliary heating Regulator Art.-Nr.: 2294 Lredpexltdwofx Adwjg year: 2004 price: 7.400.00 contact: Mr. Rainer Eckerle

Year of construction: 2026, condition: new, functionality: fully functional, SPIN DRYER VSD500 An advanced vegetable and lettuce spin dryer with an ergonomic design and counter rotating centrifuge cycle. This machine efficiently dries lettuce, vegetables, fruits, and more, preserving quality and extending shelf life. The VSD500 features an open design for easy cleaning, with no screw-related crevices to trap dirt, and a convenient rear lid locking mechanism. Its centrifuge cycle alternates rotation midway to enhance product loosening and ensures efficient water drainage through a pin-type pick-up system that adjusts the basket's speed. Upgrade your kitchen with the VSD500 for unmatched efficiency and excellence in food drying. Ledpfjixldvjx Adwerg KEY BENEFITS Efficient Drying Performance: The VSD500 spin dryer features an ergonomic design and counter-rotating centrifuge cycle, ensuring efficient drying of lettuce, vegetables, fruits, and more. Quality Preservation: This advanced spin dryer preserves the quality of produce, extending shelf life and maintaining freshness. Easy Cleaning: The open design of the centrifuge area allows for effortless access, making cleaning and maintenance tasks swift and simple. Hygienic Design: The absence of screw-related crevices in the spinning area eliminates dirt traps, ensuring a more hygienic operation. Convenient Lid-Locking Mechanism: The lid-locking mechanism is conveniently located at the rear of the machine housing, enhancing ease of use. Improved Water Drainage and Rotation: The centrifuge cycle alternates rotation halfway to improve product loosening, and the The pin-type pick-up of the rotating basket adjusts speed efficiently while ensuring effective water drainage.

Condition: new, functionality: fully functional, machine/vehicle number: Katalognummer: 1.515-400.0, working width: 430 mm, area performance: 1,720 m²/h, overall weight: 115 kg, warranty duration: 24 months, water tank capacity: 25 l, Technical specifications: Condition - NEW! Catalog Number: 1.515-400.0 Drive type: Battery (not included in the set) Drive: Propulsion by brush rotation Brush working width (mm): 430 Vacuum working width (mm): 750 Fresh/dirty water tank (l): 25 / 25 Theoretical area performance (m²/h): 1720 Brush speed (rpm): 180 Brush contact pressure (g/cm² / kg): 30 – 40 / 22.5 – 28 Water consumption (l/min): max. 2.7 Sound pressure level (dB(A)): 66 Color: anthracite Total weight with water (kg): 115 Weight without accessories (kg): 40 Dimensions (L) × W × H) (mm): 1135 × 520 × 1025 Ljdpfx Adsxnptgowsrg Scope of delivery and features: The set does NOT include batteries or a charger. V-shaped 750mm suction bar with oil-resistant polyurethane rubber. Disc brush 430mm red - medium-hard. Features: 2-tank system. The option of a machine ready to work with batteries and charger is available in our other listings. Advantages: Self-explanatory symbols and a clear control panel. Solenoid valve for automatic water stop after releasing the deadman's switch. Simple operation thanks to a small number of yellow-coded controls. Very maneuverable and easy to handle. Excellent visibility of the area to be cleaned. Designed for daily use. Robust, durable, and reliable device.

Condition: new, functionality: fully functional, machine/vehicle number: 1.127-001.0, working width: 510 mm, area performance: 2,040 m²/h, overall weight: 139 kg, warranty duration: 24 months, water tank capacity: 50 l, battery capacity: 105 Ah, Technical specifications: Condition - NEW! Catalog number: 1.127-001.0 Drive type: Battery Ledoxnyhnspfx Adwerg Drive: Propulsion by brush rotation Brush working width (mm): 510 Vacuum working width (mm): 900 Fresh/dirty water tank (l): 50 / 50 Theoretical area performance (m²/h): 2040 Battery type: GEL - maintenance-free Charger power supply (V / Hz): 230 / 50 – 60 Brush speed (rpm): 180 Brush contact pressure (g/cm² / kg): 27.3 – 28.5 / 20 – 23 Water consumption (l/min): max. 2.3 Sound pressure level (dB(A)): 66 Color: anthracite Total weight with water (kg): 139 Weight without accessories (kg): 40 Dimensions (L × W × H) (mm): 1170 × 570 × 1025 Scope of delivery and features: SONNENSCHEIN 12V 105Ah GEL BATTERIES (2x). NEOS 24V 10A EXTERNAL CHARGER V-shaped 900mm suction bar with oil-resistant polyurethane rubbers 510mm red disc brush - medium hard Features: 2-tank system Batteries and charger included: - Sonnenschein 105Ah batteries + Neos 24V charger included in the set - Easy charging at any standard outlet. - Mains-independent use without tripping hazards. Advantages: - Self-explanatory symbols and clear control panel. Solenoid valve for automatic water stop after releasing the dead man's switch. The machine is easy to operate thanks to a small number of yellow-coded controls. - Highly maneuverable and easy to use. Excellent visibility of the area to be cleaned. - Designed for daily use. Robust, durable, and reliable machine. Key features: - Options for attaching hooks, containers, mops, etc. - Additional cleaning tools can be carried. - Very good value for money.

Condition: excellent (used), Year of construction: 2011, operating hours: 1,206 h, functionality: fully functional, working width: 960 mm, area performance: 7,200 m²/h, overall weight: 1,567 kg, warranty duration: 12 months, tank capacity: 310 l, HAKO HAKOMATIC B1050 WB960 SCRUBBERS NEW TRACTION BATTERY HAWKER PERFECT PLUS 36V 480Ah (6PZS480) NEW NEOS 36V 50A BALANCER 2011 production year Machine mileage is 1206 hours 960mm cleaning head (WB960) equipped with two new cylindrical brushes, allowing work on any surface New rubber bands, made of high quality natural rubber, are perfect for work on all surfaces. New protective rubbers around the brush head prevent water from splashing outside the machine's outline New Ametek suction turbines ensure high water suction power from the squeegee Each device we offer has individually taken photos, you buy exactly the machine you see TECHNICAL DATA: Working width (mm): 960 Squeegee width (mm): 1260 Efficiency (m²/h): 7200 Width without squeegee / with squeegee (mm): 1130/1260 Voltage (V): 36 Number of cylindrical brushes (pcs.): 2 Working speed (km/h): 7.5 Clean water tank capacity (l): 310 Dirty water tank capacity (l): 310 Weight without batteries (kg): 713 Weight of the machine ready for operation (kg): 1567 Power (kW): 4.37 INCLUDED: NEW TRACTION BATTERY HAWKER PERFECT PLUS 36V 480Ah (6PZS480) NEW RECTIFIER NEOS 36V 50A NEW Ametek suction turbines Lsdpjvnacvofx Adwerg NEW cylindrical brushes - PPL 0.7 Suction strip with new rubbers Tenzi Normal 5L liquid - FREE KEY FEATURES: A 310-liter tank allows you to pour a large amount of cleaning solution, so you don't have to stop work often to refill it Thanks to its design, the machine is very maneuverable. A small turning radius allows you to work also in narrow passages and alleys. The parabolic squeegee beam ensures precise suction of the solution from the cleaned surface The ergonomically designed cockpit and the centrally located operator's seat provide good visibility of the cleaned surface The large working width (960 mm) ensures high surface efficiency A very legible and intuitive control panel.

Year of construction: 2011, condition: used, Rated power: 5.5 kW Motor speed: 2930 rpm Max. operating pressure: 11 bar Dryer type: CT 8 Refrigerant: R134a Refrigerant charge: 0.260 kg Max. operating pressure (cooling system) HP 21 bar / LP 16 bar incl. Aquamat CF 3 oil-water separator Storage location: supplier Ljdpfextnvkox Adwsrg

Condition: new, Year of construction: 2025, functionality: fully functional, sheet thickness (max.): 5 mm, total length: 950 mm, total width: 850 mm, total height: 1,175 mm, overall weight: 80 kg, input voltage: 380 V, warranty duration: 24 months, nominal power: 1.1 kW (1.50 HP), power: 1.1 kW (1.50 HP), Equipment: documentation/manual, CENTRIFUGAL DRYER MACHINE METAL CENTRIFUGAL DRYER Technical Specifications: Dryer Body Material: 5 mm iron thickness, painted with acid-resistant paint. Diameter: 58 cm Height: 80 cm Drying Basket Material: 1.5 mm stainless steel thickness, electropolished. Diameter: 44 cm Height: 32 cm Basket Volume: 50 liters Speed: 3000 rpm Centrifugal Motor: Power: 1.1 kW 3000 rpm Drying Fan Material: Aluminum Cast Motor Power: 0.25 kW Speed: 3000 rpm Heater Power: 2 kW heating tube External Dimensions: L: 850 mm W: 850 mm H: 1175 mm Lsdpferkl Unjx Adwerg

Condition: good (used), Year of construction: 2007, scrubber-dryer, floor cleaning machine, mop -Scrubber-dryer with drive -Working width: 850 mm -Practical area coverage: 2860 m²/h Lredpfx Adjb A Hg Eowsg -Charger -with drive -Special suction foot guarantees maximum suction power at low cost.

Condition: excellent (used), Refrigeration Compressed Air Dryer Manufacturer: Atlas Copco Model: FD 120 Year of manufacture: N/A, presumably 2013-2014 Flow rate: 120 L/sec Max. operating pressure: 14 bar Pressure drop: 0.11 bar Lredpfjya A Uvsx Adwog Weight: 160 kg

Condition: as good as new (ex-display), Year of construction: 2025, Exhibit in stock immediately available (Plug and Play): RENNER RSK-PRO 7.5 - 10 bar oil-injected screw compressor with integrated refrigerant dryer with automatic drain with 250 liter tank Lsdpfxsx U D Ihe Adwsrg with controller RENNERtronic Touch Year: 2025 Hours: 1 h The new compressor is in stock and available immediately Pressure: 10 bar Rated power: 7.5 kW Delivery quantity: 1.09 m³ / min Sound level: 67 dB (A) Compressed air outlet: 1/2 " Dimensions length x width x height: 1397 x 612 x 1624 mm Weight: 337 kg Visit our store in Erlangen. On more than 450 square meters of exhibition space you will find a large number of used and new compressors.

Condition: like new (used), Year of construction: 2025, Binder M 400 from 2025, ex-display chamber oven in as-new condition Model M 115 | Drying and temperature chambers with forced convection and advanced programming capabilities Advantages: - Uniform temperature control thanks to the preheating chamber e™ Ljdpfxexftb No Adworg - Identical test conditions throughout the entire usable volume, regardless of sample size and quantity - Excellent thermal insulation lowers operating costs - Advanced programming options PRODUCT DESCRIPTION With a maximum temperature of +300 °C and versatile programming features, the M series material testing chambers are perfectly suited for material testing as well as ageing tests. High airflow, provided by a powerful fan, enables rapid heating. KEY FEATURES Temperature range: +23°C above ambient temperature up to +300°C High temperature accuracy with e™ technology and increased heating power Reinforced fan with adjustable rotational speed Electromechanical exhaust air flap control Intuitive touchscreen controller with segmental time programming and real-time programming 2 chrome-plated wire shelves Independent, adjustable class 2 (DIN 12880) temperature safety device and independent class 3.1 (DIN 12880) temperature safety device with selectable visual/acoustic alarm on the controller Failsafe function – backup PT100 sensor Computer interface: Ethernet Internal data logger, measured values in open format readable via USB

Condition: like new (used), Binder M 115 laboratory dryer – ex demo model from 2024 We offer a Binder M 115 laboratory dryer in ex demo condition, manufactured in 2024. The device was used only for demonstration purposes – it is fully functional, tested by the manufacturer and practically like new. The M 115 model is a precise laboratory dryer with forced air circulation, designed for fast and even drying and heat treatment of samples. Thanks to the possibility of programming work cycles, the device works well both in standard applications and in processes requiring repeatability and control of thermal conditions. Key parameters: • Year of manufacture: 2024 • Technical condition: ex demo – like new • Chamber capacity: 115 liters • Temperature range: from +10°C above ambient temperature to +300°C Lrsdpfx Adjwp Hm Nswsg • Air circulation: forced (with fan) – fast and even temperature distribution • Controller with programming: possibility of setting cycles in real time or interval • Temperature protection: class 2 according to DIN 12880 • USB / Ethernet interface (depending on the version) for data logging Dimensions: • Interior (W × H × D): approx. 550 × 480 × 400 mm • External dimensions: approx. 710 × 790 × 605 mm • Power supply: 230 V, 50/60 Hz The device is ready for immediate use. Upon request, we will send photos, a test video and a price offer.

Condition: excellent (used), Year of construction: 2025, operating hours: 11 h, functionality: fully functional, variable screw compressor ALMIG COMBI XP 11-270D (5 to 13 bar) include Dryer with time controlled drain Lrsdpfew Duytox Adwjg include 2 air filters include 270 liter tank include controller Air Control Base Year of construction: 2025 Operatin hours: 5 Technical specifications Type: Combi XP 11-270D Possible operating pressures of the system (continuously adjustable): 5 - 13 bar Delivery quantity at minimum / maximum speed, measured according to ISO 1217 Appendix C. at 5 bar (g): 0.30 to 2.00 m³/min at 6 bar (g): 0.30 to 1.89 m³/min at 7 bar (g) : 0.30 to 1.78 m³/min at 8 bar (g) : 0.29 to 1.67 m³/min at 9 bar (g) : 0.29 to 1.57 m³/min at 10 bar (g) : 0.29 to 1.46 m³/min at 11 bar (g) : 0.28 to 1.36 m³/min at 12 bar (g) : 0.28 to 1.24 m³/min at 13 bar (g) : 0.27 to 1.17 m³/min Nominal power drive motor: 11 kW Degree of protection / insulation class drive motor: IP 23 Operating voltage / frequency: 400/60-315/3 V / Hz / ~ Compressed air connection: 3/4“ G Length: 1530 mm Width: 700 mm Height: 1640 mm Weight: 590 kg Visit our store. We always have a large selection of new and used compressors in stock! Available immediately.

Condition: excellent (used), Year of construction: 2025, operating hours: 1 h, functionality: fully functional, variable screw compressor ALMIG COMBI XP 6-270D (5 to 13 bar) include Dryer with time controlled drain include 2 air filters include 270 liter tank include controller Air Control Basic Lredox Uqxgspfx Adwog Year of construction: 2025 Operatin hours: 1 Technical specifications Type: Combi XP 6-270D Possible operating pressures of the system (continuously adjustable): 5 - 13 bar Delivery quantity at minimum / maximum speed, measured according to ISO 1217 Appendix C. at 5 bar (g): 0.19 to 0.89 m³/min at 6 bar (g): 0.19 to 0.86 m³/min at 7 bar (g) : 0.19 to 0.82 m³/min at 8 bar (g) : 0.18 to 0.78 m³/min at 9 bar (g) : 0.18 to 0.76 m³/min at 10 bar (g) : 0.18 to 0.69 m³/min at 11 bar (g) : 0.18 to 0.67 m³/min at 12 bar (g) : 0.17 to 0.63 m³/min at 13 bar (g) : 0.17 to 0.59 m³/min Nominal power drive motor: 5.5 kW Degree of protection / insulation class drive motor: IP 23 Operating voltage / frequency: 400 V / 73-290 Hz Compressed air connection: 3/4“ G Length: 1530 mm Width: 640 mm Height: 1520 mm Weight: 470 kg Visit our store. We always have a large selection of new and used compressors in stock! Available immediately.

Condition: used, Year of construction: 2016, // Equipment dismantled and stored in our warehouse // Manufacturer: Italvacuum Model: Cosmodry System IHD 3200 Year: 2016 Type: horizontal vacuum paddle dryer Application: drying wet powders ATEX (Eex) unit: yes Industries: Fine chemicals, pharmaceuticals (API), intermediates A) Agitation: Concentric agitator with heated shaft, removable in several segments (double mechanical seal) Transmission: (CEMP) - Power 30 kW + Gearbox + Chain Agitation speed: 1.6 ÷ 8.1 rpm Atex: explosion-proof ATEX II 2GD Mounted with the dryer on a support structure (single SKID) B) Drying chamber with discharge valve Total volume : 3200 Liters Useful volume : 30% - 80% Internal pressure : -1 / 0,5 barg Jacket pressure : 0 / 1,7 barg Project temperature : -10 / +130°C Maximum heating fluid temperature: +100°C Best vacuum tightness: 4 mbar/h EX-I absolute pressure transmitter PT100 Ex-i product temperature sensor Nitrogen backwash system Rotary chopper speed: 300 / 1200 rpm (not installed) Material in contact with the product: AISI 316L - EN 1.4404 Vacuum seals: PTFE and FEP Jacket material: AISI 304 - EN 1.4301 Heating fluid: Diathermic oil Mirror-polished interior finish (Ra ≤ 0.4 µm) Satin exterior finish (Ra ≤ 1.2 µm) Inspection and Shut-off Valve DN.1650 Buffer Relief Valve DN 200/300 DN 250 Butterfly Loading Valve Prepared for the installation of two choppers (lateral knives) C) Process filter D) Vacuum unit: SAURUS939 piston vacuum pump, model VVDPump support benchATEX: Ex-d-IIB-T4 – IP55Power: 11 kWAtmospheric pressure surface condenser, model VD200I Lodpfxjx R D Efe Adwsrg E) Vacuum condensing unit - AISI 316L stainless steel with double cooling jacket in AISI 304 stainless steel. Internal design pressure: -1 / 0.5 barg Jacket design pressure: 0 / 3 barg Design temperature: -10 / 40 °C Maximum cooling liquid pressure: 2.5 bar Exchange surface area: 8.5 m2 Condensate collection capacity: 900 litres Level sensor F) External safety filter G) Temperature control system: Heating/Cooling Steam liquid heater: Pressure 7 bar - Jacket temperature: 142°C - Surface area: 1.65 m2 Cooler, mounted on the heater: cold water or brine - Pipe jacket pressure: 12 barg - Jacket temperature: 142°C - Pipe temperature: -10°C /+ 99°C - Surface area: 3.42 m2 H) Command and Control System (Electrical Cabinet + HMI) Complete technical file

Condition: used, Year of construction: 2003, Manufacturer : Martin Christ Gefriertrocknungsanlagen GmbH Model: EPSILON 2-6D Year: 2003 Type : Laboratory and pilot freeze-dryer Applications: Dry or liquid drying in vials, bottles, ampoules, flanges, trays, etc. Examples of products: Biological products: bacteria, viruses, tissues, plant extracts / Pharmaceutical products: plasma, serum, antibodies, vaccines / Biochemical tests / Food products: ferments, vitamins General data : Pre-freezing, freeze-drying (sublimation) and final drying Vacuum application, < -10°C Lrodpfxsx R Dlfe Adweg 3 + 1 shelves Shelf surface area: 0.3 m². Distance between shelves: 68 mm Software: SCADA Software Cleaning flange Sample extraction system Manual stopper for vials Ice condenser : Capacity: 8.0 kg Performance: 6.0 kg / 24 h Temperature: -75°C Dimensions : Width: 800 mm Depth: 840 mm Height: 1640 mm Weight: ~650 kg Energy data : Power supply: 3-phase, 400 V / 50 Hz Power consumption: max. 5.0 kVA Max. ambient temperature: +25°C Refrigerant : Types : R404A, R508, Isceon 89 Heat transfer fluid: Syltherm XLT Technical connections Warm water inlet: ½" hose connection Defrost water drain: ½" hose connection Vacuum exhaust: DN 25 stainless steel pipe Ventilation: DN 6 connection Others : Documentation and qualifications available Sold with LPC plus computer for data analysis. Spare parts

Condition: used, Year of construction: 2000, Manufacturer: Guedu Rosenmund Model: RGFD 1.1 Ljdpfxjx R Dido Adwsrg Year: 2000 Type: Agitated Nutsche Filter / Dryer Filtration area: 1.1 m2 Capacity : 1350 Litres Pressure : -1 / 3,9 bar Half shell : 20 litres Mixer Empty weight : 3200 Kg 316 L stainless steel Agitation up/down stroke: 400 mm Application: solid-liquid separation of mixtures to be filtered under pressure and/or vacuum Hydraulic group Electrical cabinet Complete technical file with certificates and drawings.

Condition: used, Manufacturer: Usifroid Usifroid Reference : SMJ 100 FPI Type : freeze dryer Number of trays : 2 Surface area per tray : 100 cm x 50 cm 2 air compressors 1 refrigeration unit : R22 and 502 1 circulation pump 1 heating system Missing parts : Hydraulic unit Vacuum pump Lodjx R Av Aopfx Adwjrg

Condition: used, Year of construction: 1989, Batch fluidised bed dryer in stainless steel with spray granulation. Manufacturer : Glatt Model: WSG-C200 Year: 1989 Previous use: pharmaceutical Product pan capacity: 700 litres. Product capacity: 200 – 280 Kg Air filtration and heating battery. Bag filtration Heat exchange: tubular Temperature control: multiple sensors Spraying: yes Watson Marlow peristaltic pump Spray nozzle Frame and tower: 316 stainless steel Electrical cabinet Sold with 2 pans and protective pockets Lodpfx Adex R An Sewjrg Trolley reverser: available Documentation: available in German Spare parts Valves available Fan not available. Hot water generator / boiler not available

Condition: used, - Material: Stainless steel - Pneumatic version / ADF - EX - 2 truncated 400L tanks on trolley (per dryer) model WSG120 / D.1200 / 900 X PF.500 - 1 tank turner common to both dryers Lredpex Rz Nbofx Adweg - Control cabinet - Safety by 2 explosion membranes coupled to nitrogen gas cylinder

Condition: new, Year of construction: 2025, functionality: fully functional, sweeping width: 530 mm, empty load weight: 170 kg, fuel type: electric, construction height: 1,050 mm, drive type: Elektro, Scrubber dryer Condition: New device Technical condition: New Description: Sweeping width 530 mm, suction width 780 mm, brush pressure 35 kg, working width 530 mm, area performance 3,180 m²/h, fresh water tank 70 l, dirty water tank 70 l, length 1,400 mm, width 800 mm, height 1,050 mm, weight 170 kg Lredpfx Aovzzcwsdwog

Condition: new, Year of construction: 2025, functionality: fully functional, sweeping width: 530 mm, empty load weight: 150 kg, fuel type: electric, construction height: 1,050 mm, drive type: Elektro, construction width: 900 mm, Scrubber dryer Lrjdevzzcqspfx Adwog Condition: New device Technical condition: New Description: Sweeping width 530 mm, suction width 760 mm, brush pressure 27 kg, working width 530 mm, area performance 1,800 m²/h, fresh water tank 50 l, dirty water tank 50 l, length 1,300 mm, width 900 mm, height 1,050 mm, weight 150 kg

Condition: ready for operation (used), Year of construction: 2004, operating hours: 4,500 h, functionality: fully functional, machine/vehicle number: 82,10,1606, Spreader for fabric pieces and automatic IMA cutting machine, in perfect working condition until December 2025. Lredpfx Asx Tqivsdwog