Used Surface Hardening Furnace for sale (8,599)

Condition: used, Year of construction: 2004, Spraying machine Venjakob VEN SPRAY-K All pictures only for example - Producer Venjakob - Year of construction 2004 - Current condition: not refurbished - Offer price for refurbished condition - Working width 800 mm (1000) mm - Operating side, right - Duo gun drive system - Dry filter system 4.000 m³/Std. - Diameter exhaust air pipe 400 mm - Transport belttransport System - Feed speed adjustable 3 - 8 m/min - Lacquer reclaiming system with v-belt - Gun control system LS 1 - Number of installed lacquer circles 1 Stk. - Airless spraying system 4 Stk. Krautzberger KAA 1300 - Number of lacquer pumps 1 Stk. - Producer lacquer pump Wagner 35-70 - Suitably for solvent based lacquer - Suitably for water based lacquer - Total connection power 7 kW, Stromaufnahme 17 A , Absicherung 35 A - Location, on stock - Voltage fluctuation max. +/- 5 % _____ Optionally, we can also provide you with a quotation for the assembly and start-up of the system, as well as training for your employees. We also offer regular maintenance and servicing of the machine on request. Ljdpfx Aiozv Tg Hegorr For further information, get in touch with us!

Condition: used, Year of construction: 2014, With paper web and belt conveyor with web cleaning.System consisting of: 1. Feeding conveyor 2,000 mm 2. Spraying machine 3,630 mm 3. Take-off roller conveyor 2,000 mm - Total length: 7,630 mm - Operator side: leftItem 1 Feeding belt: - Manufacturer: Venjakob - Model: Belt Conveyor AL - Year of manufacture: 2014 - Feed rate: approx. 2.5–5 m/min. - Max. load: 15 kg/m - Length: 2,000 mm - Motor power: 0.5 kW - Variable-frequency drive (VFD) controlledItem 2 Automatic Spray Machine:Can be operated with either the belt conveyor system or the paper belt conveyor system!- Manufacturer: Venjakob - Model: VENSPRAY Smart - Year of manufacture: 2014 - Working width: 1,300 mm - Working height: 920 mm ± 20 mm - Operating side: left - Suitable for solvents and water-based coatings - Price for a refurbished machine - As-is condition; machine has not been refurbished - Spray gun drive in Duo configuration - Dry extraction - Exhaust port diameter: 400 mm - Exhaust air flow rate: 7,000 m³/h - Feed speed: infinitely adjustable ~ 2.5–5 m/min - Light curtain, part detection, Type LS 25 Lrodpfxjzv Tfvs Aigjr - Touchscreen control - Paper belt transport system - Belt squeegee and cleaning system Type R1 - Number of paint circuits installed: 2 - Number of spray guns installed: 4 - Quick-change system for spray guns - Spray guns, Type Kremlin Airmix AVX - Airmix spray system - Number of paint pumps: 1 - Pump manufacturer: Wagner Cobra 40/25 - Length: 3,630 mm - Width: 3,450 + 990 mm - Total power consumption: 16 kW - Location: not in stock - Voltage fluctuations: max. ±5%Item 3 Acceptance of roller conveyor: - Manufacturer: Venjakob - Type: Roller conveyor - Year of manufacture: 2014 - Feed rate: approx. 2.5–5 m/min - Max. load: 15 kg/m - Length: 2,000 mm - Roller spacing: 150 m - Variable-frequency drive controlled Images are for illustrative purposes only; they are not originals*

Year of construction: 2017, condition: used, Pos.1 VEN CLEAN Smart dedusting systemCompressed air dedusting for cleaning the workpieces to be painted Lodozv Tcujpfx Aigsrr from dust on profiled workpiece surfaces. Five rotating blowing stars are installed. These remove the dust from the surface. The loosened dust is extracted on both sides by suction shafts. on both sides. An external extraction system is required on site. Technical data: Roller transport length: 2,060 mm Roller pitch: 85 mm Working width: 1,300 mm Total width: 1,800 mm Drive power: 0.25 kW Exhaust air volume: 4,000 m³/h To be provided by the customer Compressed air consumption: 980 Nl/min. Ionisation as nozzle bar, not EX) with compressed air nozzles, Compressed air consumption 840LN/min. Pos. 2 Automatic spray gun VEN SPRAY Comfort- Manufacturer Venjakob - Type. VEN SPRAY Comfort CNC 7000 - Year of construction 2017 - Working height approx. 930mm+-20mm - Working width 1300 mm - Operating side left - Price for overhauled machine - Actual condition, machine not overhauled - Gun drive in duo version - Dry extraction system - Extraction nozzle diameter 500 mm - Exhaust air capacity 7,000 m³/h - Belt conveyor system - Infinitely variable feed speed ~ 2-6 m/min - With belt cleaning system with doctor blade in tungsten carbide design - Gun control, touch screen CNC7000 - Installed colour circles 1 pc. (optionally more possible) - Supply air filter cover - Suitable for water-based paints - Suitable for solvent-based paints - Control cabinet, free-standing - Volt, Hz 400 / 50 - Colour RAL 7035 - Location, in stock Voltage fluctuations max. +/- 5 %

Condition: good (used), Drying oven, drying cabinet, electrode oven, chamber dryer oven, preheating oven, electrode re-drying, electrode cabinet, electrode heat container -Manufacturer: Norweld, drying oven with isolation transformer -Type: ES 2 -Usable space: Ø 100 x 430 mm -Number: 2x drying ovens available -Price: per piece -Transport dimensions: 520/230/H560 mm Ledpfx Aoyuvp Aeigsrr -Weight: 14 kg/pc.

Condition: good (used), Year of construction: 1982, 1 used surface and guideway grinding machine Manufacturer: ELB Model: SWDE 30 U CNC Year of manufacture: 1982 / 1999 Control type: CNC Control: Mitsubishi 520 Location: NRW Country of origin: Germany Delivery time: short notice Lredpfx Ajynglboigsr Delivery terms: ex stock TECHNICAL DATA Grinding length: 3000 mm Grinding width: 900 mm Workpiece height: 600 mm Electromagnetic chuck: 3000 x 900 mm Pole pitch: 18 mm Grinding wheel dimensions: Ø 500 x 100 mm Control: Mitsubishi 520 Total power requirement: 18.5 / 5.5 kW Machine weight approx. 19 t Space requirement approx. 9 x 4.5 x 3.5 m Shipping dimensions approx. 13 x 2.5 x 3.5 m

Condition: new, Year of construction: 2026, functionality: fully functional, grinding length: 500 mm, grinding width: 250 mm, total height: 1,700 mm, total length: 1,800 mm, total width: 1,600 mm, feed length X-axis: 560 mm, feed length Y-axis: 280 mm, feed length Z-axis: 400 mm, workpiece weight (max.): 200 kg, grinding height: 400 mm, feed rate X-axis: 25 m/min, feed rate Y-axis: 5 m/min, feed rate Z-axis: 1 m/min, grinding wheel diameter: 200 mm, distance table to spindle center: 450 mm, table speed: 25,000 mm/min, table length: 520 mm, table load: 200 kg, type of input current: three-phase, table width: 250 mm, grinding wheel width: 20 mm, spindle speed (max.): 2,850 rpm, spindle speed (min.): 2,850 rpm, overall weight: 950 kg, distance stand to spindle center: 300 mm, table height: 700 mm, grinding spindle motor power: 1,500 W, rapid traverse X-axis: 25 m/min, rapid traverse Y-axis: 5 m/min, rapid traverse Z-axis: 1 m/min, travel distance X-axis: 560 mm, travel distance Y-axis: 280 mm, travel distance Z-axis: 400 mm, rotational speed (min.): 2,850 rpm, grinding spindle speed: 2,850 rpm, distance table to quill: 450 mm, warranty duration: 12 months, grinding wheel speed: 2,850 rpm, input voltage: 400 V, disc diameter: 200 mm, control cabinet length: 600 mm, control cabinet width: 400 mm, control cabinet height: 1,200 mm, space requirement height: 2,500 mm, space requirement length: 3,000 mm, space requirement width: 2,500 mm, Equipment: documentation/manual, Special Offer – 5% Discount Available! SURFACE GRINDING MACHINE SGA-2550AHD WITH PLC CONTROL The SGA-2550AHD Surface Grinding Machine is a professional machine designed for precision grinding of flat surfaces in tool rooms, production facilities, and metalworking workshops. Equipped with a modern PLC control system, an electromagnetic chuck, and high-quality components, it delivers outstanding grinding accuracy, excellent repeatability, and reliable performance. Its rigid machine construction minimizes vibration, ensuring exceptional surface finish quality and long-term stability. The SGA-2550AHD is ideal for machining tool steel, structural steel, cast iron, and other materials requiring precision surface grinding. Main Features * PLC control system * Electromagnetic chuck * High grinding accuracy and repeatability * Heavy-duty machine construction * Professional coolant system * Simple operation and programming * Excellent surface finish * CE certified Precision Grinding The machine is equipped with a 250 × 520 mm working table and a 250 × 500 mm electromagnetic chuck, providing secure workpiece clamping and high machining precision for both single-piece and production work. PLC Control System The integrated PLC control system enables quick parameter adjustment, improves productivity, and ensures consistent machining quality. It is suitable for both individual jobs and serial production. Standard Equipment * Coolant tank * Electromagnetic chuck * Balancing arbor * Wheel flange * Wheel extractor * Leveling wedges and bolts * Tool box with service tools * Standard grinding wheel * Working lamp * Wheel dresser stand Included Optional Equipment * Full machine enclosure * Magnetic separator * Dust collection system * 2-axis digital readout (DRO) * Built-in electromagnetic chuck controller * Wheel balancing stand * Diamond dresser Technical Specifications * Model: SGA-2550AHD * Working table size: 250 × 520 mm * Electromagnetic chuck: 250 × 500 mm * Control system: PLC Applications * Tool rooms * Manufacturing plants * Metalworking workshops * Tool steel grinding * Structural steel machining Lredpfozd U Eyjx Aiger * Cast iron machining * Precision engineering and component production Safety The machine is equipped with all required safety systems in accordance with European standards. The robust construction, protective guards, and CE certification ensure safe, reliable, and long-lasting operation. Transport & Delivery We offer professional transport and delivery throughout Europe using specialized heavy machinery logistics. Every machine is carefully loaded, securely protected, and delivered directly to the customer's premises. We also assist with export documentation and international shipping arrangements. Worldwide shipping outside Europe is available upon request. About Metal Technics Polska Metal Technics Polska is a manufacturer and distributor of professional metalworking machinery, supplying high-quality equipment to customers throughout Europe. We provide expert technical advice, machine configuration, spare parts, and comprehensive after-sales support. Contact us today for pricing, delivery times, machine availability, additional photos, videos, or a personalized quotation.

Condition: new, functionality: fully functional, jaw width: 73 mm, jaw height: 35 mm, Precision Vice Brand: Vertex Type: VBST-30 Length: 190 mm, Width: 73 mm, Height: 68 mm Jaw width: 73 mm Clamping range: up to 100 mm Jaw height: 35 mm Lsdeyml A Ajpfx Aigorr With pull-down feature Stainless Hardened to 58–60 HRC Finely ground surface Perpendicularity 0.005/100 mm Supplied in imitation leather case

Condition: good (used), Make: ELIOG Year of manufacture: 1992 Opening (W x H x D): 150 x 110 x 350 mm Temperature: up to 1,350 °C Lrsdpfx Aisym U Sgeger Nominal power: 4 kW Connection load: 5 kW Accessories/Equipment: separate control cabinet Condition: good Total weight: 170 kg Furnace dimensions: 500 x 600 x 430 mm Control cabinet dimensions: 450 x 550 x 700 mm

Condition: ready for operation (used), Year of construction: 2004, functionality: fully functional, machine/vehicle number: 10380840, clearance between the columns: 640 mm, column diameter: 125 mm, ejector force: 150,000 N, ejector stroke: 145 mm, mold height (min.): 300 mm, type of input current: three-phase, input voltage: 400 V, clamping force: 4,200 kN, Horizontal die casting machine Make: Bühler, Model: Evolution B42D, Year: 2004, Serial number: 10380940 Mould height: 300 - 700 mm Mould opening stroke: 640 mm Max. surface pressure: 100 N/mm² Min. clamping plate dimensions: 500 x 500 mm Clear tie bar spacing: 640 x 640 mm Tie bar diameter: 125 mm Ejector stroke: 145 mm Ejector force: 150 kN Max. closing force: 4200 kN Cycle time: 30 s Casting piston speed: 5.0 m/s Lrjdeyngv Tepfx Aigor Incl. die spraying system Gerlieva GS 1200/1400Z Incl. holding furnace Westomat ProDos DPC 900kg Incl. extraction robot ABB IRB 4600 M2004

Condition: ready for operation (used), Heraeus MR 170 E Muffle Furnace, Annealing Furnace, Oven 1000°C Internal dimensions: 295mm x 175mm x 95mm (D x W x H) Lrjdpfx Aieynhm Hogsr You are welcome to arrange a viewing. We can organize affordable shipping for you upon request! You will receive a proper invoice. For foreign customers, a net invoice can also be issued provided a valid VAT ID is supplied. Sale subject to prior sale. Visit our shop to see more of our offers. The listed company names and trademarks are property of their respective owners and are used solely for identification and description of the products. Deviations from the technical data and errors in the article description may occur and are subject to change.

Condition: reconditioned (used), Generally overhauled grinder manufactured by LŽT Kikinda, type URB 550/750/1000. Machine Features: table area 880/1130/1500 x 300 mm Max. Grinding length 550/750/1000 mm Max. grinding width 350 mm Max. Grinding wheel axis height 500 mm Max. Cross stroke of the table 300 mm Max. Longitudinal stroke of the table at max. speed 570/770/1020 mm normal size of magnetic plate 500/750/1000 x 300 mm Sanding disc 300x50x127 mm Grinding accuracy 5 microns Ljdpfxsv Tah Ne Aigorr new electrical cabinet with components manufactured by ABB, Schnieder Painting in the final color according to the customer's wishes Warranty on work: 6 or 12 months. Delivery time: by agreement. Feel free to call for anything else.

Condition: used, Year of construction: 2003, functionality: fully functional, machine/vehicle number: 02/112005FC170/SPEC, power: 6 kW (8.16 HP), type of input current: three-phase, input voltage: 400 V, input frequency: 50 Hz, We are selling a heating furnace (made for heating of manufacturing plants and warehouses) along with the metal chimney - both in very good and working condition. Still in operation. Available for self-disassembly and pickup in our production hall. Lodpfx Aex H Nudeigerr

Condition: new, Year of construction: 2026, max. working width: 1330 mm workable material thickness: 0,5 - 80 mm Infinitely variable feed speed: 0,5 - 6 m / min Grinding belt dimensions: 1910 x 1350 mm Sand rolling brush size: 300 x 400 mm Sandbelt line speed: 18 m / s Number of roller-brush planetary revolution shaft heads: 8 pcs. machine thickness servo adjustment precision: 0,01 mm Length: 4200 mm Width: 2300 mm Lredpfsx S Dwqsx Aiger Height: 2400 mm Machine weight: 6500 kg Electrical connected load: 68 kW Standard configuration Machine configuration:3 station variants:1st station: Sanding belt2nd station: Brush elements3rd station: Sanding belt Main components:PLC: SiemensTouchscreen: SiemensLow-voltage devices: SchneiderFrequency converter: SchneiderSuction fan: Elektror, Germany Total connected load:Sanding belt motor: 15 kWBrush motor: 11 kWInfeed belt motor: 4 kWVacuum suction motor: 15 kWFrequency converter for rotating brushes: 15 kW Machine with wet vacuum cleaner Extended machine accessories

Condition: excellent (used), Year of construction: 1981, grinding length: 450 mm, grinding width: 200 mm, power: 1.5 kW (2.04 HP), input voltage: 200 V, Manufacturer Mitsui MGG CO.LTD Type: MSG-250M Year of manufacture:1981-10 Maximum grinding width: 200 mm Maximum grinding length: 450 mm Maximum table length movement: 500 mm Maximum table length movement: 250 mm Table movement per handwheel revolution: 6 mm /revolution Lrodpswvga Nsfx Aigsr Grinding spindle speed: spindle: 2900 rpm 50 Hz Standard grinding wheel diameter: 200 mm Grinding wheel width: 25 mm Grinding wheel speed: 2900 rpm 50 Hz Grinding wheel bore diameter: 31.75 mm Electric power: 2 HP 1.5 kW 4P 200V 3 phase Weight, approx. 1050 kg

Condition: used, Year of construction: 1990, Technical details: dimensions of the machine ca.: 3,5 x 2,0 x 2,5 m Lrsdowwlu Iepfx Aigsr

Condition: good (used), total height: 1,900 mm, total length: 2,180 mm, total width: 1,575 mm, workpiece weight (max.): 250 kg, distance table to spindle center: 457 mm, overall weight: 2,900 kg, grinding spindle speed: 3,450 rpm, Chevalier FSG-3A818 Surface Grinder – Automatic Z Axis Brand: Chevalier Model: FSG-3A818 Serial No.: M3905002 Automatic Z-axis feed. Lrsdpfowwrd Njx Aiger Table dimensions: 203 × 557 mm Magnetic table: 200 × 450 mm Max. grinding travel (X, Y): 457 × 203 mm Distance from table to wheel center: 457 mm Longitudinal movement: - Speeds: 5 to 25 m/min - Max. manual travel: 530 mm / hydraulic: 500 mm Cross movement: - Max. movement speed: 960 mm/min - Automatic feed increments: 0.4 to 6 mm Vertical movement: - Automatic feed: 0.002 to 0.04 mm Wheel rotation speed: 3450 rpm Total power: approx. 3.7 kW Wheel diameter: 203 mm Maximum workpiece capacity on grinder: 250 kg (including magnetic table weight) Dimensions: 2180 × 1575 × 1900 (H) mm Weight: 2900 kg

Condition: good (used), Year of construction: 1988, voltage 380 V connected load 7,5 kVA dimensions 2725 x 1930 x 1773 mm weight of the machine ca. 2500 kg --> Technical data Main data: --> Table surface: 605 x 300 mm --> Table longitudinal movement max. (manual): 750 mm --> Table transverse movement: 340 mm Lredpsw Dvkaefx Aigor --> Grinding height between table/new grinding wheel min/max: 22.5 / 322.5 mm --> Standard size of magnetic clamping plate: 600 x 300 mm --> Workpiece weight incl. magnet: 420 kg --> X-axis / longitudinal movement: --> T-slots (number x width): 3 x 17 mm --> Table feed, hydraulic: 0.3 - 25 m/min --> Travel per handwheel revolution: 47 mm --> Y-axis / height movement: --> Automatic vertical feed - coarse in 12 steps: 0.001 - 0.03 mm --> Automatic vertical feed - fine in 8 steps: 0.001 - 0.01 mm --> Distance per handwheel revolution (x1/x10): 0.1 / 1.0 mm --> Graduation on handwheel (x1/x10): 0.001 / 0.1 mm --> Trigger strokes: 0 - 5 --> Rapid traverse: 400 mm/min --> Z-axis / transverse movement: --> Automatic transverse feed intermittent: 0.5 - 20 mm --> Automatic transverse feed / rapid traverse continuous: 0.1 - 1.0 m/min --> Distance per handwheel revolution: 5.0 mm --> Scale mark on handwheel: 0.02 mm --> Standard grinding wheel: --> Ø x width: Ø 355x38 (50) mm --> Bore: Ø 127 mm --> Speed: 1500 rpm --> Accessories Various grinding wheels --> Documentation

Condition: as good as new (ex-display), Year of construction: 2024, High-quality spindle with precision tapered roller bearings Hardened and ground table guideways Lrodpfx Aiow Eay Iegjr Turcite-B coated counter guides for high wear resistance and low friction Integrated grinding wheel removal device Machine base made of sturdy, torsion-resistant cast iron for maximum rigidity and stability Backlash-free V-flat guide in the Z-axis and flat guides in the X- and Y-axis Trapezoidal threaded spindle in the Y-axis Manual central lubrication All flat guides are finely scraped, guaranteeing high precision of all manual movements LED lamp Safety electrics with 24 V DC voltage Sanding accuracy: 0.005 mm Grit 46 corundum grinding wheel for all common steels included as standard Two-channel safety electrics EMC filter class Significant energy savings thanks to IE3 motor Coolant system with external coolant tank Dimensions and weights Length approx. 1970 mm Width/depth approx. 1300 mm Height approx. 1700 mm Weight approx. 850 kg Electrical data Power drive motor 1.5 kW Supply voltage 400 V Mains frequency 50 Hz Surface grinding table Clamping surface length 200 mm Clamping surface width 500 mm Grinding wheel(s) Outer diameter 200 mm Width 20 mm Bore 31.75 mm Peripheral speed 33 m/s Spindle Speed 2850 min¯¹ Concentricity 0.005 mm X-axis Feed speed Manual

Condition: used, SECOND-HAND SURFACE PLANER Lrjdpowrrukefx Aiger

Condition: excellent (used), Year of construction: 1979, functionality: fully functional, total height: 765 mm, overall weight: 850 kg, total width: 1,000 mm, total length: 1,500 mm, Measuring and marking plate Cast iron Precision surface plate Manufacturer: FUJITA Type:JIS B 7513 Surface size: Lrsdswr Umpjpfx Aigor Length:1500mm Width:1000mm Height:250mm Flatness of the surface used (μm) Accuracy exceeding JIS standards Accuracy according to JIS standards No. 210 (Grade 0): 8 No. 211 (Class 1): 16 Weight: 850kg + support frame: ca 120kg If you need more information. We are here to help! Please contact us using the contact form or give us a call Your ad has been automatically translated. Translation errors are possible.

Condition: new, bore capacity in steel (diameter) 32,0 mm threading 22 M bore stroke 125 mm throat 280 mm morse taper 3 MK Ljdsxabiqopfx Aigjrr table: 450 x 380 mm / 14er Nut turning speeds 70 - 3.500 U/min feed 0,1 / 0,2 / 0,3 mm/U column diameter 110 mm weight 320 kg range L-W-H 500x800x2.100 mm total power requirement 1,1 / 2,2 kW characteristics Infinitely variable speed, ideal for setting the desired one Cutting speed. Automatic tool ejector and Thread cutting device as standard. Electromechanical drilling feed, adjustable from 0.1 - 0.3 mm / rev Solid gray cast iron table with rotating and swiveling support surface T-slots in the machine base enable high workpieces to be clamped. Guaranteed concentricity = 0.02 mm, measured in the quill Hardened and ground gears ensure smooth running Adjustable drilling depth stop with an easily readable scale Scope of delivery: - Drill chuck arbor MK 3 / B 16 - Reducing sleeve MT 3/2, MT 3/1 - Key chuck 1 - 13 mm / B 16 - coolant device - Electromagnetic spindle feed - Thread cutting device - Automatic tool ejector - LED machine light - Digital speed display - First filling with Shell Tellus 46 - Height-adjustable protective cover

Condition: refurbished (used), grinding length: 600 mm, grinding width: 200 mm, grinding length 600 mm grinding width 200 mm electromagnetic chuck 450×175 mm Lrjdpsxal Hyjfx Aigor X-travel 660 mm Z-travel 225 mm grinding wheel size 250x25x51 mm Control Jung TouchScreen weight approx. 3000 kg

Condition: good (used), Manufacturer: JUNG Stock number: 3018 Year of manufacture: Machine number: 4985 Type: HF 50 RD Grinding length: 500 mm Grinding width: 200 mm Clamping area table: 700 x 200 mm Lsdow Apm Sepfx Aigsrr Magnet: 450 x 175 mm Max. table–spindle distance: 350 mm Table longitudinal travel: 1 to 24 m/min steplessly adjustable Table cross travel: 0.2 to 8 mm steplessly adjustable, automatic Grinding head vertical adjustment: 0.001 to 0.01 mm automatically adjustable Spindle speed: 1,000 to 4,000 rpm Grinding wheels: 225 x 20 x 51 mm Connection: 4.7 kW Accessories/Equipment: Diaform device, Heidenhain display for one axis Condition: Good Weight: 1.55 t Dimensions: 1,700 x 1,600 x 2,000 mm

Condition: new, Pit furnace, make VEI type: SCO_EB clear height: 1200mm clear diameter: 1400 mm outer diameter: 2200 mm outer height (lidless): 1650mm outer height (with lid): 2600mm electrically heated: 64,5 kW Ljdpfsg R Snhjx Aigorr fan: 5,5 kW connection: 400 V, 50 Hz temperature: max. 750°C

Condition: excellent (used), High temperature debinding furnace, make GERO type: HBO 50/13-3 2G heating: electrical Lrsdpfx Aijhgiz Iegsr useable space: ø400 x 400 mm temperature: max. 1.300°C ventilation: exhaust fan during the cooling phase and activated cooling fan ultimate vacuum: 10 mbar exhaustion time: ca. 5 min nitrogen: inlet pressure min. 3 bar oxygen: inlet pressure min. 3 bar