Used Welding System for sale (40,725)

Year of construction: 2014, condition: ready for operation (used), An ultrasonic welding system with nine Telsonic Ultrasonic, cabin, nine generators and documentation is available. Control system: Siemens SIMATIC PANEL. On-site inspection is possible. Ljdpfjuy T Nqsx Aftsrp

Year of construction: 2013, condition: ready for operation (used), A laser system with 1 loading station and two stations each is available. Welding fixtures: 4, laser power: 3.3kW, beam source: TruDisk 3302 disk laser, workpiece dimensions X/Y/Z: 300mm/100mm/100mm, material thickness: 1.5mm, welding speed: 5600mm/min, welding optics: Trumpf BEO D70, operating hours: approx. 70000h. Documentation available. On-site inspection is possible. Ledpev Rfrbsfx Aftsrp

Condition: ready for operation (used), Year of construction: 2013, A welding system for welding metal pipes is available. Number of heads longitudinal seam/round seam: 3/3, workpiece inner diameter min./max.: 600mm/4500mm, max. workpiece length: 12700mm, max. workpiece weight: 50t, max. wire diameter: 4mm. Conveyor belt driven/rotating: 25t/25t. Head capacity: 2x AC 1000 and 1x DC 1200, including automatic brushing system. Documentation available. On-site inspection is possible. Ljdsvr Edtepfx Afterp

Year of construction: 2013, condition: ready for operation (used), A self-built powder welding machine with a power source Kennametal and an MTA cooler for applying Stellite to valves is available. 1) Cooler MTA TAE EVO 10M, year of construction: 2013, cooling capacity: approx. 3kW, refrigerant: R407, filling quantity: 0.8kg, max. operating pressure: 28bar, flow rate: approx. 0.59m³/h. Machine dimensions X/Y/Z: approx. 600mm/600mm/800mm, weight: approx. 100kg. 2) Power source Kennametal Stellite PTA Junior Star, year of construction: 2013, open circuit voltage: 75V, welding current range: 10A/10V-250A/38V, protection class I. Documentation available. An on-site inspection is possible. Lrjdpexwn Nlofx Aftsp

Condition: good (used), MERKLE Insquare W 300 AC/DC lasapparaat met originele kabelset Primair: Spanning: 3 x 400 V Frequentie: 50 (60) Hz Cos phi: 0,95 TIG DC stroombereik: Open circuit spanning: 80 V Werkspanning: 10-22,8 V Lasstroom: 5-320 A HSB 60% inschakelduur (10 min.) 320 A HSB 80% inschakelduur (10 min.) 300 A DB 100% inschakelduur: 260 A (40 °C) Primair continu vermogen: 9,5 kVA Primaire continue stroom: 13,7 A Primaire maximale stroom: 19 A TIG AC stroombereik: Open circuit spanning: 80 V Werkspanning: 10-22,8 V Lasstroom: 5-320 A HSB 60% inschakelduur (10 min.) 320 A HSB 80% inschakelduur (10 min.) 300 A DB 100% inschakelduur: 260 A (40 °C) Primair continu vermogen: 9,5 kVA Primaire continue stroom: 13,7 A Primaire piekstroom: 19 A MMA-lassen: Stick-elektroden: 1,5-6 mm Open spanning: 80 V Werkspanning: 20-32,8 V Lasstroom: 5-320 A HSB 60% inschakelduur (10 min.) 320 A HSB 80% inschakelduur (10 min.) 300 A DB 100% inschakelduur: 260 A (40 °C) Primair continu vermogen: 13,1 kVA Primaire continue stroom: 19 A Primaire piekstroom: 22 A Lasproces: 10-standenschakelaar: TIG DC Min, TIG DC Plus, TIG DC Min met startpuls, TIG AC Geluidsarm, TIG AC Blokgolf TIG AC "Gebalanceerde TIG", Elektrode Min Elektrode Plus Elektrode "Sinusgolf" Elektrode Blokgolf Keuzeschakelaar 1: 10-standenschakelaar: Stroom 1, Tijd 1, Stijg- en daaltijd, Startstroom, Eindstroom, Ontstekingspuls, Punttijd, Gasvoor- en nastroomtijd Keuzeschakelaar 2: 9-standenschakelaar: Stroom 2, Tijd 2 (voor pulsmodus), AC Balans, AC Frequentie, Hotstarttijd en -stroom, Stroominstelling, Elektrode d, Display U Instellingen: 2 draaiknoppen voor keuzeschakelaars 1 en 2 Lrjdpfx Ajl Sm Hboftop Displays: 2 LED-displays met voorloop- en hold-functie voor stroom, spanning, tijd Tijdfuncties: 4-standenschakelaar: UIT, langzame puls, snelle puls, puntlassen Ontsteking: 4-standenschakelaar: UIT, hoogfrequent, Lift-Tig Energieregeling: 4-standenschakelaar: op het systeem, hand- of voetafstandsbediening, lastoorts Bedrijfsmodus: 4-standenschakelaar: 2-takt, 4-takt, 4-takt met 2 stromen, gastest, test, programma Programmageheugen: 20 vrij toewijsbare geheugenplaatsen AC-frequentie: 50-200 Hz AC-balans: 9-91% Gasvoorstroomtijd: 0-3 s Gasnastroomtijd: 0-25 s Stroomstijgingstijd: 0-2 s Stroomdalingstijd: 0-20 s Ontstekingspuls: 0-100 ms Puntlastijd: 0,1-2,5 s Langzame pulsen: 10 ms-2,5 s Snelle pulsen: 50 Hz-5 kHz Hotstarttijd: 0-1,5 s Hotstartstroom: 10-200% Stroominstelling: 100-250% Knop: Testbeveiliging Knop: Programmaselectie LED: Netspanning AAN, Overtemperatuur, Storing, Beveiligingscircuit, Display hold, Startstroom Stijging, Stroom 1, Stroom 2, Reductie, Eindstroom Stroombron: IGBT-omvormer Ontsteking: Hoogfrequent of Lift-Tig Norm: EN 60974-1 "S" / CE Toortsaansluiting: EURO-centrale aansluiting met 5-polige stekker Toortskoeling: Watergekoeld koelsysteem 50 mm² aansluiting: Werkstukkabel 50 mm² aansluiting: Elektrodelaskabel Netaansluiting: 4 x 4 mm², 5 m lang Gasaansluitslang: 2 m Gewicht: 130 kg (300 AC/DC) Afmetingen L x B x H: 910 x 600 x 910 mm met gasfleshouder Gasfleshouder: 10 - 20 - 50 l gasfles Financing through our bank is also possible. komplett-konzept.leasingo.de Vind meer artikelen - nieuw en gebruikt - in onze shop! Internationale verzendkosten op aanvraag!

Year of construction: 2009, condition: ready for operation (used), Welding force: 2500N, table dimensions: 420x415mm, height adjustment: 250mm, stroke: 100mm, control: Telsonic MPS-4, connected load: 4000W, length: 459mm, width: 854mm, height: 1315mm, weight: 130kg. With SICK C4000 safety light curtains, cabin and documentation. On-site inspection is possible. Lodpfeuy T I Hjx Afterp

Year of construction: 2010, condition: ready for operation (used), An ultrasonic welding system with two Telsonic TSP-3000-1P, cabin, generators and documentation is available. Welding force: 2500N, table dimensions: 420x415mm, height adjustment: 250mm, stroke: 100mm, control: Siemens SIMATIC PANEL, length: 762mm, width: 854mm, height: 1316mm, weight: 130kg. On-site inspection is possible. Lrjdpsuy T Ndofx Aftsp

Condition: good (used), Year of construction: 2017, functionality: unexamined, We offer this well-maintained Förster Welding Systems 4225 railing welding fixture, year 2017. Manufacturer: Förster Welding Systems Lrodpfx Afey N A U Astop Model: 4225 Year of manufacture: 2017 Condition: good Category ID: 96 Type ID: 2257 Machine type: railing welding fixture If you have any questions or need more information, feel free to send us a message or call us.

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. Ledpfxsurlcrj Afterp 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), Year of construction: 2023, functionality: fully functional, type of input current: three-phase, WeldingDroid X2 Portable Model - For pipes and tank welding Ø 60 mm to 1.000 mm Lredpfxewku Tyo Aftjp - Roller distance: 5 m (pipes could be longer) - Round welding - GTAW/ GMAW - AVC - Oscillation - Gaswalves: Purge & Trail - Coldwire+Hotwire - WLL max 2t - Remote Controller for programing - Control all parameters - Joystick for controlling (during weld) - Easy to program - Price contains one PurgeMaster - Welding machine (Kemppi MasterTig & Kemppi MasterM) optional, not included

Condition: new, table length 2000 mm table width 1200 mm table height 200 mm bore 28 mm weight 843 kg Specifications Lsdjznngrepfx Aftsrp - High-quality S355J2+N steel + plasma nitriding - Material thickness approx. 24.5–27 mm - Hole diameter 28 mm - Holes in 100×100 mm grid pattern - Rounded corners, edges and holes - Side panel height 200 mm - Hole spacing on side panel: 50 mm - Includes scale markings on the surface - Construction reinforced with ribs - Grid lines enable precise set-ups - Special equipment for welding tables is available on request.

Condition: new, table length 1500 mm Lredpoznngfofx Aftop table width 1000 mm table height 200 mm bore 28 mm weight 554 kg

Condition: reconditioned (used), functionality: fully functional, Lamina System Semi automatic laminator SA 1416. In very good technical condition, after total renovation. Machine on power, can be tested. Max. sheet size: width: 1400 mm length: 1600 mm Min. sheet size: Ledswz Ev Tjpfx Aftsrp width: 200 mm length: 350 mm Top Sheet: 130 to 450 g/m2 1 pts = 28,25 g/m2 Bottom Sheet: From 250 g/m2 to 10 mm (0,39”) 1 pts = 28,25 g/m2 corrugated from 0,6 - 10 mm (0,016” - 0,39”) Automatic substrate feeder with continuous sheet feeding The machine is built on a rigid frame structure made of anodized aluminum profiles. Width (with platforms) - 2350 mm, length - 4600 mm.

Condition: not inspected (used), A used Videojet Laser marking System - untested but removed from a Pharma production facility and was in operation - includes a Bofa AD Oracle Laser Fume extractor Lrodpfx Ajznt Hweftsp Ready to Ship Worldwide Export Documentation included

Condition: used, Year of construction: 2003, feeder rollers, transfer belts for 6 meters, retractable forks, lift tables with rubber-coated parcel drive chains, outfeed chains Ljdpfx Afoycxtyotsrp

Condition: good (used), axle configuration: 3 axles, first registration: 03/2021, loading space length: 13,600 mm, loading space width: 2,460 mm, loading space height: 2,830 mm, total length: 13,900 mm, total width: 2,550 mm, total height: 4,050 mm, suspension: air, tire size: 385/55R22,5, color: other, Year of construction: 2021, Equipment: ABS, = Additional Options and Accessories = - EBS = Notes = Number of axles: 3, Tare weight: 8070 kg, Gross vehicle weight: 43000 kg, Chassis type: Full chassis, Chassis material: Steel, Kingpin size: 2 inch, Suspension type: Full air suspension, ABS, EBS, Body construction year: 2021, Axle type: SAF, MEGA DOUBLE DECK // HARD WOOD FLOOR // SAF DISC BRAKES / LIFTING AXLE = Further Information = General Information Cab: Day cab License plate: KLEYN1 Drivetrain Fuel type: Diesel Transmission Transmission: Manual gearbox Axle Configuration Ljdey Irnvopfx Aftsrp Tire size: 385/55R22.5 Brakes: Disc brakes Suspension: Air suspension Axle 1: Lifting axle; Tire tread depth left: 6 mm; Tire tread depth right: 4 mm Axle 2: Tire tread depth left: 12 mm; Tire tread depth right: 11 mm Axle 3: Tire tread depth left: 4 mm; Tire tread depth right: 4 mm Weights Tare weight: 8,070 kg Payload: 34,930 kg GVW: 43,000 kg Environment Emission class: Euro 0 Condition Technical condition: good Optical condition: good Damage: none Financial Information Leasing price: 335 € per month (default, 60 months); Ask for more information and conditions = Company Information = Kleyn Trucks is one of the world's largest independent dealers in used vehicles. Here you can choose from a constantly changing stock of 1200 used trucks, tractor units, and trailers. Our range includes all European brands from various years of construction and price ranges. Why buy from Kleyn Trucks? It's simple! • Large and rapidly changing stock • Recognizable quality • A good price • Proper business practices • We speak many languages • We understand our customers • Assistance with import and transport • (Export) registration is quickly arranged • Expert technical services • The security of "recognizable quality" • And more... Please visit our website for special offers and a complete inventory: Leasing through Kleyn Trucks is possible in most European countries! Quickly calculate your leasing rate and submit an inquiry via our website. Ask directly about our European warranty package.

Condition: used, axle configuration: 3 axles, first registration: 07/2013, loading space length: 10,250 mm, loading space width: 2,450 mm, total length: 11,700 mm, total height: 1,600 mm, color: other, Year of construction: 2013, = Additional options and accessories = - Steering Axle = More information = Axle configuration Rear axle 1: Lift axle Rear axle 2: Steering Weights Empty weight: 8.000 kg Carrying capacity: 34.000 kg GVW: 42.000 kg Functional Height of cargo floor: 160 cm Condition General condition: average Technical condition: average Visual appearance: average Identification Registration number: QAQU503 = Dealer information = Do you have any questions or suggestions? Please feel free to contact us. We guarantee a response within 8 hours. Prices do not include VAT. No rights may be derived from the information provided. Office phone number: Mobile: Dutch - English - German - French - Spanish - Italian) Available via WhatsApp and Viber. Mobile: Available via WhatsApp and Viber. When paying by bank transfer, the funds must be transferred to our bank account listed below. Always verify the payment details on our website. Please contact us if you have received different information. If in doubt, please call us so we can verify the invoice and/or payment. Lodpfsyzt Sijx Aftsrp Bank details: Bank name: ING Bank address: Bijlmerdreef 106 1102 CT Amsterdam IBAN number: NL97INGB0117176699 EORI/VAT/TAX: NL810574901B(01) BIC/SWIFT: INGBNL2A

Condition: good (used), axle configuration: 3 axles, permissible axle load (axle 1): 9,000 kg, permissible axle load (axle 2): 9,000 kg, permissible axle load (axle 3): 9,000 kg, first registration: 06/2018, loading space length: 13,390 mm, loading space width: 2,490 mm, loading space height: 2,590 mm, total length: 14,040 mm, total width: 2,600 mm, total height: 4,000 mm, suspension: air, tire size: 385 / 65 / R22.5, wheelbase: 8,910 mm, color: white, Year of construction: 2018, Equipment: tail-lift, Axle configuration Tyre size: 385 / 65 / R22.5 Make axles: SAF Brakes: disc brakes Suspension: air suspension Rear axle 1: Lift axle; Max. axle load: 9000 kg; Tyre profile left: 50%; Tyre profile right: 50% Rear axle 2: Max. axle load: 9000 kg; Tyre profile left: 50%; Tyre profile right: 50% Rear axle 3: Max. axle load: 9000 kg; Steering; Tyre profile left: 70%; Tyre profile right: 70% Weights Lsdpozm Nvrefx Afterp Empty weight: 10.040 kg Carrying capacity: 31.960 kg GVW: 42.000 kg Functional Tail lift: Dhollandia DHSMT.30, slider lift, 2500 kg Make of bodywork: VeDeCar Thermo King SLXi Spectrum Cooling engine: diesel and electric (4396 operating hours diesel; 5 electric) Wall thickness: 50 mm Maintenance, history and condition Number of owners: 3 Technical condition: good Visual appearance: good Product safety Manufacturer: Kuijpers Trading BV Minosstraat 8 5048CK TILBURG, NL

Condition: excellent (used), axle configuration: 3 axles, first registration: 08/2026, loading space length: 13,700 mm, loading space width: 2,500 mm, loading space height: 2,780 mm, total length: 13,900 mm, total width: 2,550 mm, total height: 4,000 mm, suspension: air, tire size: 385/55R22,5, wheelbase: 8,790 mm, color: other, Year of construction: 2026, Equipment: ABS, tail-lift, = Additional Options and Accessories = - EBS - Tail lift = Notes = Number of axles: 3, Payload: 30950 kg, Tare weight: 8050 kg, Gross weight: 39000 kg, Type of chassis: Full chassis, Chassis material: Steel, Kingpin size: 2 inch, Suspension type: Full air, ABS, EBS, Body construction year: 2026, Axle type: SAF, Tail lift, Tail lift design: under-folding tail lift, Tail lift load capacity: 2000 kg, Tail lift manufacturer: Dhollandia, Tail lift material: Steel and aluminum, Tail lift size: 240x170, Battery for ramp, TAILLIFT 2,000 KG 3x 9 TON SAF AXLES DISC BRAKES = Additional Information = General Information Lrjdpfozk Un Ujx Aftep Cab: Day cab Registration number: OX-74-GS Powertrain Fuel type: Diesel Transmission Gearbox: Manual gearbox Axle Configuration Tire size: 385/55R22.5 Brakes: Disc brakes Suspension: Air suspension Axle 1: Lift axle; Tire tread depth left: 14 mm; Tire tread depth right: 14 mm Axle 2: Tire tread depth left: 14 mm; Tire tread depth right: 14 mm Axle 3: Lift axle; Tire tread depth left: 14 mm; Tire tread depth right: 14 mm Weights Tare weight: 8,050 kg Payload: 30,950 kg GVW: 39,000 kg Functional Tail lift: Dhollandia, under-run, 2000 kg Environmental Emission class: Euro 0 Condition Technical condition: very good Optical condition: very good Damage: none = Company Information = Kleyn Trucks is one of the world's largest independent used vehicle dealerships. Here, you can choose from a constantly changing stock of 1200 used trucks, tractor units, and trailers. Our range includes all European brands from various production years and price ranges. Why buy from Kleyn Trucks? Simple! • Large, rapidly changing stock • Recognizable quality • Good price • Correct business practices • We speak many languages • We understand our customers • Assistance with import and transport • (Export) registration is quickly arranged • Expert technical services • The security of "recognizable quality" • And more.... Please visit our website for special offers and a complete inventory: Leasing through Kleyn Trucks is possible in most European countries! Quickly calculate your leasing rate and send an inquiry via our website. Ask directly about our European warranty package.

Condition: repair required (used), Year of construction: 1998, Max. tool size: 1,600 x 1,300 x 1,700 mm Lodpszkigrjfx Aftorp Max. table load: 17 tons Clamping force: 1500 kN Opening force: 750 kN Drive power: 25 kW Machine weight: approx. 30 tons

Condition: good (used), axle configuration: 2 axles, permissible axle load (axle 1): 9,000 kg, permissible axle load (axle 2): 9,000 kg, first registration: 09/2017, loading space length: 135,000 mm, loading space width: 24,800 mm, loading space height: 27,000 mm, total length: 13,820 mm, total width: 2,550 mm, total height: 4,000 mm, wheelbase: 8,910 mm, color: white, Year of construction: 2017, Equipment: tail-lift, = Additional options and accessories = - Air suspension = Further information = Lrsdpey Ipw Isfx Aftsp Rear axle 1: Max. axle load: 9,000 kg Rear axle 2: Max. axle load: 9,000 kg; Steerable Unladen weight: 8,420 kg Payload: 21,580 kg GVW: 30,000 kg Tail lift: D'HOLLANDIA DHLM.30, rear door, 2,000 kg Technical condition: good Visual condition: good Registration number: OP-65-YR

Condition: used, Year of construction: 2005, functionality: fully functional, total width: 6,300 mm, total height: 2,100 mm, total length: 20,000 mm, working width: 2,600 mm, input voltage: 380 V, type of input current: three-phase, roll width: 2,600 mm, roller length: 7,600 mm, We offer this ready-to-use ICO SYSTEM reactive PUR hot melt press, model ICO SYSTEM, manufactured in 2005. ICO SYSTEM reactive PU hot melt press line – 2,600 × 7,000 mm For sale: complete industrial reactive PU hot melt press line for single-sided bonding of large sheet materials. This robust production line from ICO SYSTEM International Coating GmbH has been successfully used for years by TABB Interior Systems BV for the production of high-quality laminated sheet materials. The installation is in excellent technical condition, is fully operational, and can be put into production immediately. Key features: Reactive PUR hot melt bonding Maximum panel size: 2,600 × 7,000 mm Suitable for single-sided bonding Year of manufacture: approx. 2005 Fully functional and well-maintained PLC control with touchscreen Automatic vacuum portal for precise panel positioning Throughfeed system for controlled curing and constant pressing force Roller conveyors and transport tables included Suitable for: The installation is suitable for bonding a variety of flat sheet materials, including: plywood MDF HDF particleboard HPL composite panels aluminum and steel sheets various other industrial sheet materials. Production process The line is designed for an efficient and reproducible production process: positioning of the bottom sheet application of reactive PUR hot melt automatic placement of the top sheet using a vacuum portal passage through the heated press controlled curing and output of the finished product. Ledpfx Aezlh Auefterp Thanks to the automatic handling, large panels are produced quickly, accurately, and with consistent adhesive quality. Scope of supply The complete installation includes, among other things: ICO SYSTEM heated throughfeed system automatic vacuum portal with suction cups conveyor belts and roller conveyors control cabinet with PLC/HMI complete steel structure and handling. Condition The machine is fully operational, is still in use in production, and is available only due to a change in the production process. Inspection while running is possible by appointment. Interested? Please contact us for additional information, technical specifications, a demonstration, or an inspection. This high-quality industrial press line is ideally suited for companies that want to efficiently bond large sheet materials with a high-quality PUR hot melt bond.

Year of construction: 2002, condition: good (used), functionality: fully functional, Full automatic pack infeed to Moulder Speed up to 120 M/Min Complete with manuals Automatic board turner. single board feeding system Min/Max length 820mm/5400mm Lrjdpfxezlbibj Aftsp

Condition: used, Year of construction: 2016, Overview This tray former and case sealer packaging module was manufactured in 2016 by Denmark SOCO SYSTEM A/S. The system consists of an automatic tray former and a case sealer designed for fully automated carton handling in packaging lines. The tray former erects flat carton blanks into trays, which are transferred via conveyor to downstream processes, while the case sealer applies self-adhesive tape to close cartons after filling. Technical data  - Capacity: 12 – 14 cycles/min (tray former) - Application: Carton forming and sealing - Configuration: Automatic tray former with pneumatic forming system and automatic case sealer with tape sealing Lrodpfx Asyxxxvoftop - Utilities: - Voltage: 3 × 400 V - Frequency: 50 / 60 Hz (tray former), 50 Hz (case sealer) - Air consumption: approx. 31.3 Nl/cycle (tray former), approx. 0.6 Nl/cycle (case sealer) - Air pressure: 0.6 – 1.0 MPa - Rated current: 2 A (tray former), 3 A (case sealer) Scope of Delivery  - Tray former | SOCO SYSTEM A/S | BE 2200 ATS R | 2016 | Automatic tray former with pneumatic forming system and HMI control - Case sealer | SOCO SYSTEM A/S | T-402 | 2016 | Automatic tape case sealer with conveyor integration

Condition: used, Year of construction: 2012, Overview  This complete brewhouse was manufactured in 2012 and enables the production of 1,000-liter brews. The system works with steam and includes brewing, fermentation and storage tanks. It is immediately available and is currently installed and ready for operation in the production facility. The seller confirms that the system has worked perfectly until recently. The boilers have a copper coating, while the rest of the system is made of stainless steel. Details - Wort yield: 1,000 liters per brew - Heating system: Steam - Current status: Installed and ready for operation - Availability: Immediately Scope of delivery  - Brewhouse | Mini Brewery System | CI T 10 | 2012 - 2 kettles (mash tun above the whirlpool as one unit + separate boiling kettle) - Steam boiler | Mini Brewery System | - | 2012 (electric) - Plate heat exchanger - Hot water tank | 1,500 L - Reverse osmosis system | ALFA | compact model | - - Capacity: 150-200 L/h Lsdpfxjv Da Dlo Aftjrp - 4x Isobaric fermenter | Mini Brewery System | 1,000L | 2012 - 4x Horizontal isobaric maturation tank | DuoTank | 500 L | 2018 - Cooling jacket & bag system for optimum beer preservation