Used Air Cooler 70 Kw for sale (56,501)

Condition: ready for operation (used), power: 5.5 kW (7.48 HP), rotational speed (max.): 6,500 rpm, Equipment: documentation/manual, 5,5 kw 6500 rpm , 1,5 mc/h fruit juice Lredox Ur H Eopfx Akyjk

Condition: new, For sale: EMG-DREHMO DR 39 B-40 electric valve actuator. The device comes from warehouse stock – condition: new, unused. Actuator designed for automatic valve control in industrial installations (water, gas, process technology, power engineering). Technical data • Manufacturer: EMG-DREHMO • Model: DR 39 B-40 • Year of manufacture: 2005 • Torque: 40 Nm • Power supply: 380–420 V / 50 Hz • Motor power: 0.40 kW • Speed: approx. 30–40 rpm • Protection class: IP67 Condition Device is brand new – warehouse condition. Visible transport marks: Ljdpfxoyutpge Akyerk slightly bent handwheel, small crack in housing by the gearbox (visible in photos). Not tested under voltage – sold as warehouse device / to be checked before installation. Scope of delivery • EMG-DREHMO valve actuator • Handwheel for manual operation Visual condition as per photos.

Condition: new, For sale: New KSB ETABLOC GN 65-125 centrifugal pump with Siemens 5.5 kW motor. The unit is from warehouse stock – excellent condition, unused. KSB ETABLOC series pumps are high-quality industrial pumps designed for water installations, heating and cooling systems, process installations, and general industrial applications. Lsdpfeyuqxrex Akyjrk Robust construction and a reputable Siemens motor ensure high reliability and long service life. Pump technical data • Manufacturer: KSB Aktiengesellschaft • Model: ETABLOC GN 65-125/552 • Capacity: 18 – 136 m³/h • Head: 11 – 19.2 m • Rotational speed: 2900 rpm Motor • Manufacturer: Siemens • Model: 1LA7130-2AA66 • Power: 5.5 kW • Voltage: 400 / 690 V • Protection class: IP55 • Housing: B35 The pump is equipped with flanged connections – ready for installation in your system.

Condition: new, For sale: professional centrifugal fan/blower from the renowned German manufacturer Elektror Karl W. Müller. Lredpsyuqr Ejfx Akysk The device is in unused, storage condition, featuring a robust industrial design suitable for ventilation and dedusting systems. Fan is used in: • Dedusting installations • Extraction systems • Ventilation systems • Wood and metalworking industries • Air transport systems Technical data • Manufacturer: Elektror • Model: 2D 07 • Power: 4.5 kW • Voltage: 400 V / 50 Hz • Speed: 2930 rpm • Capacity: approx. 94 m³/min (5,640 m³/h) • Pressure: approx. 1.2 kPa

Condition: new, For sale: professional centrifugal fan from the renowned German manufacturer ELEKTROR – Karl W. Müller. This unit is suitable for applications such as ventilation systems, dust extraction, air transport in industrial installations, paint shops, woodworking shops, and production machinery. The fan is in very good visual and technical condition – solid, heavy-duty construction. Technical data: • Manufacturer: Elektror • Model: RD 06 • Motor power: 2.2 kW • Power supply: 230 / 400 V • Speed: approx. 2870 rpm • Frequency: 50 Hz Lodpjyuqrljfx Akyjrk • Airflow: approx. 3600 m³/h • Pressure: approx. 2550 Pa • Protection class: IP54 Rectangular inlet and outlet – dimensions visible in the photos.

Condition: excellent (used), For sale: professional industrial pump ASTRA CM 50-125A, manufactured in Italy (Padova, Italy). The pump is in very good visual and technical condition. Robust construction designed for installations, water systems, and technological circuits. Three-phase motor 5.5 kW, 2800 rpm, 400 V power supply. The pump is equipped with threaded connections. The unit has been regularly serviced – inspection sticker by DPT is present. Very durable equipment – Italian production, heavy-duty cast iron construction. Technical data Ljdpfsyuqrfex Akysrk • Manufacturer: ASTRA (Padova, Italy) • Model: CM 50-125A • Type: three-phase electric pump • Motor power: 5.5 kW • Power supply: 230 / 400 V • Speed: 2800 rpm • Maximum capacity: 1200 l/min • Head: 25 m • Insulation class: F • Protection rating: IP55 Shipping or personal collection possible. The listed price is for 1 piece.

Condition: excellent (used), Year of construction: 2013, Description For sale is a fully functional and very well-maintained gas burner from the brand Weishaupt, including gas train (Dungs DN 80) 1. Burner type: WM-G30 Ljdpfx Aowgbq Dekyerk Capacity: 600-5700 kW Version: ZM Year of manufacture: 2013 Connection pressure: 15-500 mbar

Condition: new, For sale: brand new KSB Etanorm SYT 50-32-250 centrifugal pump, supplied complete with 11 kW motor, mounted on a robust steel frame. The unit is factory new, year of manufacture 2023, from the renowned German manufacturer KSB – Made in Germany. The pump comes from surplus stock and has never been installed or used. KSB Etanorm series pumps are among the most widely used industrial pumps for applications such as: • Industrial systems • Process engineering • District heating • Industrial water installations • Cooling systems • HVAC installations Robust construction and high-quality workmanship. Technical Data • Manufacturer: KSB • Model: Etanorm SYT 50-32-250 • Type: ETNY050-032-250 SG DB08LD20110 • Year of manufacture: 2023 • Flow rate: Q 11 m³/h • Head: H 74 m • Impeller diameter: Ø 229 mm • Rotational speed: 2977 rpm Motor • Power: 11 kW • Power supply: 380 / 400 / 415 V • Speed: approx. 2950 rpm Ledpfxsyt Ikpo Akyork • Protection class: IP55 • Insulation class: F The pump is mounted on a robust steel transport base.

Condition: excellent (used), Buderus 455 kW. Oil emergency heating system. Low-temperature boiler, can also be equipped with a biogas burner. Lrsdpfx Aksx U Exujysk

Condition: excellent (used), functionality: fully functional, mileage: 1,035,000 km, power: 426.59 kW (580.00 HP), first registration: 03/2019, fuel type: diesel, axle configuration: 4x2, fuel: diesel, brakes: intarder, color: blue, gearing type: automatic, emission class: euro6, suspension: air, Equipment: ABS, air conditioning, airbag, navigation system, onboard computer, parking heater, spoiler, MAN TGX 18.580 D 38 Full-Air - First registration: 03/2019 - Mileage: 1,035,000 km - Retarder: Intarder - ADR AT - Stationary air conditioning - Navigation system - LED headlights - Double fuel tank - Double bunk - Tyres: 50% CUSTOMIZED FINANCING OR LEASING SOLUTIONS AVAILABLE ON SITE. FROM 24 UP TO 96 MONTHLY INSTALLMENTS, EVEN WITH ZERO DOWN PAYMENT. OUR GROUP’S OTHER LOCATIONS: DOMENICO TRUCK SRL, NAPLES LOCATION DOMENICO ESPOSITO S.P.A., EBOLI (SA) LOCATION – OFFICIAL DEALER MERCEDES-BENZ, FUSO, FOTON TRUCK, PIAGGIO COMMERCIAL AND MAXUS CONTACTS: 0823 1686306 335 6713062 OPENING HOURS: MONDAY-FRIDAY 8:30-19:00 / SATURDAY 8:30-14:00 WE OFFER A WIDE SELECTION OF USED MULTIBRAND COMMERCIAL/INDUSTRIAL VEHICLES: Lrjdowgy H Rjpfx Akyok Fiat – Hyundai – DAF – Mercedes Benz – Renault – Peugeot – Iveco – Mitsubishi – Scania - S-Way -S500-V8-650-580-730-S500-S 500-S500 – Stralis – MAN - Nissan V8 - Intarder - 770s - Limited Edition - 660 S Semi-trailer – Refrigerated semi-trailer – Tipper – Lamberet – Schmitz – Isuzu – Fixed platform – Crane – Tipper – 4 axle – 4 rear axle – Tway – T-Way – 540 – 460 HP – Xway – X-Way – Three-way tipper – V8 – Scania – Frost Edition – Curtainsider – Box – Tail-lift – Refrigerated cell – Insulated with fridge – Van Domenico Truck srl declines all liability for any discrepancies in technical specifications, optional equipment and features which may occasionally differ from those shown in the description. We invite you to verify the features of the specific vehicle.

Condition: used, mileage: 122,069 km, power: 125 kW (169.95 HP), first registration: 09/2014, fuel type: diesel, overall weight: 7,000 kg, next inspection (TÜV): 12/2026, color: blue, gearing type: mechanical, emission class: euro5, number of seats: 3, loading space length: 4,100 mm, loading space width: 2,360 mm, loading space height: 1,830 mm, Equipment: ABS, soot filter, Body/Conversion: Superstructure/Body: Flatbed, * Flatbed with aluminum sideboards, * Internal dimensions: 4,100 mm x 2,260 mm x 1,830 mm, * Roof spoiler * Tarpaulin/frame superstructure, * Storage box, Equipment: * Driver comfort suspension seat * Double passenger bench seat * Rear axle suspension: reinforced parabolic springs, Technology: * Radio with USB, * Bluetooth hands-free system, * Electric windows, * Tachograph Safety/Environment: * Driver airbag, * ABS * Traction control system (ASR), * Low-emission according to Euro 5 emissions standard, Miscellaneous: * German first delivery * 2 previous owners, * Engine 3.0 L - 125 kW Diesel, * Wheelbase 3,750 mm, * Payload 3,880 kg as per registration, * Gross vehicle weight 7.00 t, * COC papers available, * Tarpaulin is printed with advertising Since 1972, your reliable partner for cars and commercial vehicles in 28832 Achim at the Bremer Kreuz. NutzfahrzeugZentrum Behnke always has around 200 vehicles available, including vans, commercial vehicles, and construction machinery! We continuously offer attractive financing options with special conditions. If you are interested, we are happy to provide a tailored quote! We accept trade-ins of your commercial vehicle/construction machine. If a new roadworthiness inspection (TÜV) is required, we are happy to offer you a quote through our partner workshops. Our offer is generally WITHOUT a new roadworthiness inspection. Lrodpfx Aeym Hy Aokyek Delivery of your "new" commercial vehicle is possible through our external partners for an additional fee. The information provided in advertisements, on the internet, price tags, and images are non-binding descriptions and do not constitute guaranteed characteristics. The seller assumes no liability or warranty for typographical or data transmission errors. The listed features should be checked separately if necessary. Errors and prior sale reserved.

Condition: new, New motor from renowned German manufacturer Baumüller Nürnberg. The motor is unused, warehouse stock (old stock). No signs of operation. Technical data – from nameplate: • Manufacturer: Baumüller Nürnberg GmbH • Type: GNA 132 MV • Supply voltage: 400 V • Current: 39 A Lredpfxjyga Uge Akyok • Power: 12 kW • Rotational speed: 1260–4000 rpm • Excitation voltage: 310–365 V • Excitation current: 0.17–0.38 A • Insulation class: F • Protection class: IP23 • Standard: VDE 0530 • Serial number: 88104349 The motor is intended for automation, CNC, special machine applications, and as a spare part for existing Baumüller drive systems. Price quoted per unit.

Condition: excellent (used), For sale: Industrial electric motor with DC electromagnetic brake. Complete drive unit suitable for use in industrial machinery, overhead cranes, hoists, conveyors, and other equipment where shaft stoppage is required immediately upon power disconnection. The motor has been removed from industrial machinery. Visual condition is very good – standard signs of use, technically flawless. The electromagnetic brake ensures instant shaft stop and locking, a feature commonly used in drives requiring a high level of safety. Technical details: Motor manufacturer: Cantoni Motor type: 3-phase Power: 5.5 kW Voltage: 400 V Frequency: 50 Hz Speed: approx. 950 rpm Protection class: IP55 Insulation class: F Brake: DC (direct current) Lodpfxsyridbs Akyerk Braking torque: 150 Nm Brake supply: 180 V / 75 W Year of manufacture: 2018 Made in the EU PRICE IS PER PIECE.

Condition: as good as new (ex-display), Year of construction: 2022, 1.0 ft. Ultrasonic Cleaning Device Manufacturer: AIR FRESH SERVICE INDUSTRIEFILTER Type: 1-Chamber Cleaning System Inner Tank: 750 x 600 x 770 mm Lsdpfx Ajv Nztxjkysrk Year of Manufacture: 2022 THIS DEVICE HAS NEVER BEEN USED.

Condition: excellent (used), Year of construction: 2003, WEISHAUPT GL5 / 1-D, with gas train - Output: 200-940 kW - 20-79 kg/h - Year of manufacture: 2003 Lodpewgyifjfx Akysrk - Model: ZD

Condition: excellent (used), Year of construction: 2014, functionality: fully functional, total height: 18,000 mm, outer diameter: 3,000 mm, water tank capacity: 70,000 l, Tank made of stainless steel with a capacity of 70,000 litres. Insulated body with load cells. Volume Total capacity 70,000 L Material Stainless steel Equipment configuration Insulated Load cells Transport information Length 18,000 mm Width 3,500 mm Lredpsxlir Dsfx Akysk

Condition: excellent (used), mileage: 150 km, power: 420 kW (571.04 HP), first registration: 01/2026, fuel type: diesel, tire size: 385/65-22,5, axle configuration: 6x4, wheelbase: 4,500 mm, fuel: diesel, fuel tank capacity: 710 l, brakes: retarder, color: red, driver cabin: sleeper cab, gearing type: automatic, emission class: euro6, suspension: steel-air, loading space length: 68,000 mm, Year of construction: 2026, Equipment: ABS, AdBlue, Bluetooth, EBS, air conditioning, central locking, crane, cruise control, differential lock, electric window regulation, electronic stability program (ESP), navigation system, onboard computer, parking heater, power mirror, retarder, seat heater, soot filter, trailer coupling, - Adaptive cruise control - Aluminum fuel tank - Rear work lights - Heated exterior mirrors - Heated mirrors - Passenger seat - Bluetooth - High beam - Speed limiter - Catalytic converter - Automatic climate control - Refrigerator - LED lighting - Air-suspended seats - Particulate filter - PTO (Power Take-Off) - Radio/multimedia system - Disc brakes - Sleeper cab - Heated seat - Sun visor - Lane departure warning system - Stability control - Auxiliary heater - Programmable warming system - Toolbox - Windshield Internal reference number for customer inquiries: 1-568 IVECO X-WAY in various paint finishes (white or red) with loading crane of your choice, Tajfun-LIV or Palfinger-EPSILON! Vehicles available immediately, in stock! Iveco X-WAY 570 BL with short timber body Engine: Cursor 13, 570 HP Euro VI Transmission: 12-speed HiTroniX, automated Retarder / Intarder for ZF gearbox Wheelbase: 4,500 mm Suspension: leaf/air Tires: 385/65 R22.5 (front) - 315/80 R22.5 (rear) Trailer hitch, Ringfeder brand Fuel tank: 710 liters, AdBlue tank: 80 liters LED headlights at front, LED tail lights Active Space, high-volume driver’s cab Electric cab-tilting system operated by remote control at the vehicle front Electrically operated roof hatch Fully automatic air conditioning with integrated stationary air conditioning 2 sleeping bunks Premium refrigerator with freezer compartment incl. thermo-insulated box, 2x USB sockets, 1x 230V socket Hl-Comfort driver’s seat, multi-adjustable, air-suspended, integrated headrest, integrated height-adjustable seatbelt, lumbar support, with 3-stage cooling or heating function Luxury passenger seat, swivel-type, multi-adjustable, air-suspended, armrests, integrated headrest and seatbelt, heated, with lumbar support Axle load indicator in instrument cluster Hill start assist (Hill Holder) for convenient starting on slopes Lane Departure Warning System (LDWS) Advanced Emergency Braking System (AEBS) and much more. Body: PAVIC OPTIPA steel short timber body with aluminum front wall and 4 OPTIPA SL stake bases with 8 OPTIPA AL10 aluminum stanchions, and numerous equipment features. Lredpfx Akjyln H Isyek Price without crane but as described above (truck incl. body, without crane) = €134,990.00 net Possible loading crane: TajfunLIV L150Z 9.6 (also available as cab-mounted crane) alternatively: Epsilon TZ15 9.8 Financing is possible with our various financing partners. If you have any questions, our sales team will be happy to assist you. This is a non-binding offer. Subject to prior sale, errors and changes. General information Cabin: Long-haul Technical information Engine displacement: 12,882 cc Gross vehicle weight: 26,000 kg Axle configuration Brakes: Disc brakes Front axle: Tire size: 385/65-22.5; Steering; Suspension: leaf suspension Rear axle 1: Tire size: 315/80-22.5; Differential lock; Suspension: air suspension Rear axle 2: Tire size: 315/80-22.5;...

Condition: good (used), Year of construction: 2013, overall weight: 560 kg, Pump technical data: • Manufacturer: KSB • Type: ETIC D 65 / 45-1 Lsdpfxoydv I Ds Akysrk • Capacity: Q = 45 m³/h • Head: H = 182.19 m • Year of manufacture: 2013 • Flange connections (visually DN150 – as shown in photos) • Solid, industrial construction • Pump dismantled from an industrial installation Electric motor: • Manufacturer: Siemens • Power: 37 kW • Supply: 3-phase • Speed: approx. 2950 rpm (50 Hz) • Industrial design, IC411 cooling • Mounting: IM B3 • Motor mounted on frame together with pump Condition: • Technical condition: used • Visually normal signs of use, no cracks or damage to the housing • Shafts and flanges complete (visible in the photos) • Sold as a set: pump + motor + frame Additional information: • Ideal for industrial applications: process installations, energy, chemical, process water • Price quoted per unit.

Condition: excellent (used), Offer consisting of: complete compressed air system comprising SCC Flexi 55kW screw compressor, air-cooled, SCC DRA 480 refrigerant dryer, only about 2000 load hours, compressed air tank 1000 litres (OKS brand), year of manufacture: 2021 Lrodpfx Aeyl S Ebskysk

Condition: excellent (used), Aerosol extraction and filtration Manufacturer: United Air Specialists Type: Mena 2000 Com. 13051 P: 1.5 kW Vmax: nom. 1700 m³/h pg: 1500 Pa U: 400 V F: 50 Hz I: 3.3 A tmax: 65°C Financing through our bank is also possible. komplett-konzept.leasingo.de Find more items – new and used – in our shop! International shipping costs on request! Lrsdpfx Aex Rp Eqskysk

Condition: excellent (used), Year of construction: 2006, 70 linear meters Pallet Racking SSI Schäfer Palflex incl. Mesh Decks Used, good condition, see photos Year of manufacture: 2006 Height: 4 m Depth: 120 cm Bay load: 12,000 kg Galvanized frames Red beams Mesh decks included! 2 mesh decks per 2.7 m beam length Ledokx E I Njpfx Akysrk Negotiable price: €8,290 net ex stock The offer includes: + 26 pre-assembled frames, depth 120 cm, height approx. 4 m + 100 beams, length 2.7 m, 1,500 kg load capacity per level (evenly distributed load) + 200 safety clips + 100 galvanized mesh decks for 50 levels, each with a 2.7 m beam length + 104 concrete anchors + Load signs Goods in stock. Transport and installation available on request. Inspection by appointment at any time. Further information on request. Always over 5,000 linear meters of pallet racking from various manufacturers in stock. (Changes and errors in technical data, specifications and prices as well as prior sale reserved! See our T&Cs, all prices excl. VAT ex stock) Purchase / Sale We are continuously looking for and offering a wide range of items from various sectors clean-sweep business clearances company liquidations fast - flexible - efficient! We also clear out or dispose of assets for administrators. Send us a few keywords – we will contact you promptly. To access our site, please click on our logo!

Condition: good (used), functionality: fully functional, load capacity: 500 kg, Equipment: foot remote control, Welding turntable KT 500, speed adjustable via potentiometer or foot pedal. Table diameter: 600 mm. Height to center with vertical disc: 580 mm (-50 mm). Length: 1.0 m. Width: 0.6 m. Infinitely variable electric tilt range approx. 0–130°. Stepless speed adjustment. Includes hand remote control and foot pedal. Optional: Quick-action chuck, 400 mm diameter, €550. Lrjdpfx Akeylimcoyek

Condition: new, functionality: fully functional, machine/vehicle number: NEW-14, empty load weight: 627 kg, maximum load weight: 2,073 kg, overall weight: 2,700 kg, axle configuration: 2 axles, loading space length: 3,060 mm, loading space width: 1,700 mm, loading space height: 300 mm, suspension: other, tire size: 195 / 50 R 13, maximum speed: 100 km/h, color: silver, trailer brake: trailer braked, Year of construction: 2026, brakes: other, SARIS K1 306 170 2700 2 Rear Tipper BRAND-NEW VEHICLE Internal dimensions: 306cm x 170cm Side wall height: 30cm Loading platform height: 66cm Total weight: 2700kg Payload: 2073kg Lodpfx Akjghpcajysrk Braked tandem trailer Overrun and handbrake by KNOTT 2 x 1350kg axles with brakes Low chassis Fully welded, hot-dip galvanized steel frame Aluminium profile drop sides with tension locks Drop sides fold down and are removable on all sides 15mm thick, anti-slip, heavy-duty phenolic plywood floor Additional steel plate on wooden floor Automatic jockey wheel with 400kg nose weight capacity 6 noise-reducing lashing rings with 800kg tensile force Reinforced 13" C-type tyres with steel valves M+S tyres Net/rope hooks on the frame 13-pin connector plug Front LED marker lights Rear lights with reversing light, fog light, and triangular reflectors Upper frame mounted on rubber supports Large rear tipping angle of 51 degrees Hand pump with adjustable handle OPTIONAL ACCESSORIES PERMANENTLY REDUCED IN PRICE FROM FEBRUARY 2026 - 100km/h equipment (shock absorbers) - Spare wheel with holder - Without drop sides (discount) - Increased drop side height to 35cm - Black Edition (powder-coated sides and rims in black) - Integrated loading ramps 2800kg - Electric tipper operation - Battery charger - Remote control - Bluetooth remote control - Emergency hand pump for use with electric operation - Safety supports for maintenance work when vehicle is tipped - Foldable crank rear supports - Complete LED lighting - Anti-theft device - Fine or coarse mesh net - H-frame - Leaf grating in various heights, also closed - Side wall extensions 30cm with tension locks - Flat tarpaulin with or without hoops - High tarpaulin 160cm or 180cm Further accessories available on request! Price plus shipping to Gera and vehicle registration document: €200 net Pictures are examples and may show optional, surchargeable equipment. Haven't found the right trailer yet? We always have 50-100 vehicles in stock and ready for immediate collection. Our workshop is open for all types of repairs from 8:00 - 17:00 on weekdays. Specialist for axle repairs, also for caravans. Large selection of rental trailers. Additionally, we offer a wide range of spare parts and accessories for trailers of all manufacturers. Get advice by phone, visit our website or drop by in person.

Condition: excellent (used), Year of construction: 2016, functionality: fully functional, For sale are 2 industrial air filters of the Air-Fresh-Service brand and type F-V15D The units are in very good condition and fully functional Units can be purchased individually or as a package, individual prices will be quoted on request Technical data: Year of construction: 2016 V/Hz: 400/50-60 A1,9-1,5 kW: 1.15 Structure: 2 filter chambers with 3 filters each On request, transport and loading can be organized throughout Europe for an additional charge. Prices plus VAT Lredpfot Tyqmox Akyjk Viewing possible by appointment. Contact us, our team will be happy to help you. Trade-in or exchange possible! Machines purchase / sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MUCH MORE. Do you need a high-quality but inexpensive metalworking machine for your production? Or do you want to sell yours? For further information or contact options, please visit our website

Condition: ready for operation (used), Year of construction: 2016, Fuel: natural gas (NG), engine: HMG, space heating unit with CHP: yes, condensing boiler: no, additional heating unit: no, low-temperature boiler: no, B11 boiler: no, combi unit: no. Rated heat input P: 88kW, annual efficiency of the space heating system η: 136%, energy efficiency class: A++, usable heat output at rated heat input with additional heater switched off/on: 87.9kW, thermal efficiency at rated heat input with additional heater switched off/on: 57.5%, electrical efficiency at the heat output of the space heating unit with CHP with additional heater switched off/on: 33.5%, auxiliary power consumption at full load/part load el: 1.132kW, in standby mode P SB: 0.06kW, standby heat loss P stby: 0.442kW, annual energy consumption Q HE: 1345kWh, sound power level indoors L WA: 72dB, operating hours: 42,892h. Water was detected in the oil circuit, the unit has an oil-related fault despite sufficient oil being present, and it also shuts down with the message 'engine too hot'. The control unit was overhauled by the manufacturer in 2024, and regular maintenance intervals for oil changes, spark plugs, valves, etc. have been carried out. With documentation. Lrsdsxc Ni Rspfx Akyjk