Used Durma Hrb-4 3016 for sale (58,306)

Condition: new, prebending: 13,0sheet length: 3100sheet thickness: 16,0total power requirements: 17,5weight approx.: 11,6messurements (LxWxH): 5,31x1,66x1,59 Hjdped Auacefx Ackonk

Condition: good (used), Year of construction: 2009, machine/vehicle number: 673309012, Offer 26121 Technical Specifications - 2 driven rolls, each roll hydraulically adjustable - For pre-bending and conical bending, side supports swiveling Hjdjy A I Syjpfx Ackenk - Operation via separate control panel with digital position displays - Max. working width: 2520 mm - Max. sheet thickness at 400 N/mm² (without pre-bending): 20 mm - Top roll diameter: 325 mm - Side roll diameter: 275 mm - Bottom roll diameter: 325 mm - Adjustable working speed - Drive: 400 V / 22 kW - Space requirement approx.: W 4900 x H 1700 x D 1900 mm - Machine weight approx.: 12,000 kg - Includes: - Conical bending device - lateral support arms, hydraulically adjustable

Year of construction: 2024, condition: new, Control unit - with NC control Conical bending device Side roll positioning electronically synchronized via PLC Safety mechanism for welding (welding possibility) on the machine Machine body made of stress-relieved annealed steel 4 roll drive system - upper, and lower roller with hydraulic motor driven synchronized via planetary gear (ᐳ 430 mm) Electrical and hydraulic protection against overloads Hydraulically adjustable lower roller pressure Hydraulic roller brake, prevents the sheet from slipping back Hydraulic swinging out of the upper roller bearing, for easy removal of the formed sheet Safety wire Induction-hardened rollers (HRC 54), crowned ("crowning"). Variable speed Bending length: 2050 mm Bending capacity: 13 mm (d x 5) Bending capacity: 10 mm (d x 1.5) Top roll: 230 mm Bottom roll: 210 mm Maximum roll width: 30 mm Length: 3830 mm Width: 1160 mm Height: 1200 mm Motor power: 11 kW Weight: 4700 kg Hodpedzzyfefx Ackonk

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 134000 € 2532.6 € 3100 mm 25 mm 25 mm 20 mm 20 mm 20 mm 16 mm 360 mm 360 mm 270 mm 60 mm 1510 mm 22 kW 5560 mm 2060 mm 2050 mm 16750 kg 4 rolls fully hydraulic drive of upper and lower roll (from 30 mm bending capacity all four rolls) by planetary gear box hydr. side rolls positioning with electronical synchronisation hydr. lower roll feed with mechanical synchronisation adjustable pinching pressure variable rolling speed hardened rolls conical bending device hydraulic drop-end bearing moveable control panel Hsdpfxsypbquo Acksnk overload protection user manual in GERMAN or ENGLISH according to CE rules OPTIONAL: NC control upper and lateral supports IMPORTANT ISSUES AT CONICAL BENDING: the max. sheet metal thickness isequivalent to 50 % of nominal capacity

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 70300 € 1328.67 € 3100 mm Hnedpeypbqnjfx Ackek 8 mm 8 mm 6 mm 6 mm 5 mm 240 mm 240 mm 190 mm 825 mm 11 kW 4880 mm 1160 mm 1200 mm 6450 kg 4 rolls fully hydraulic drive of upper and lower roll (from 30 mm bending capacity all four rolls) by planetary gear box hydr. side rolls positioning with electronical synchronisation hydr. lower roll feed with mechanical synchronisation adjustable pinching pressure variable rolling speed hardened rolls conical bending device hydraulic drop-end bearing moveable control panel overload protection user manual in GERMAN or ENGLISH according to CE rules OPTIONAL: NC control upper and lateral supports IMPORTANT ISSUES AT CONICAL BENDING: the max. sheet metal thickness isequivalent to 50 % of nominal capacity the cone length can be max. 30 % oremust be more than 60 % of roll length hardened rolls are recommended

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 95000 € 1795.5 € 3100 mm 13 mm 12 mm 8 mm 13 mm 10 mm 10 mm 8 mm 270 mm 270 mm 230 mm 50 mm 1155 mm 15 kW 5310 mm 1660 mm 1590 mm 10050 kg 4 rolls fully hydraulic drive of upper and lower roll (from 30 mm bending capacity all four rolls) by planetary gear box hydr. side rolls positioning with electronical synchronisation hydr. lower roll feed with mechanical synchronisation adjustable pinching pressure variable rolling speed Hnjdpfx Aoypbqhjckek hardened rolls conical bending device hydraulic drop-end bearing moveable control panel overload protection user manual in GERMAN or ENGLISH according to CE rules OPTIONAL: NC control upper and lateral supports IMPORTANT ISSUES AT CONICAL BENDING: the max. sheet metal thickness isequivalent to 50 % of nominal capacity

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 62600 € 1183.14 € 2050 mm 13 mm 10 mm 13 mm 10 mm 10 mm 8 mm 240 mm 240 mm 190 mm 820 mm 11 kW 3830 mm 1160 mm 1200 mm 5000 kg 4 rolls fully hydraulic drive of upper and lower roll (from 30 mm bending capacity all four rolls) by planetary gear box hydr. side rolls positioning with electronical synchronisation hydr. lower roll feed with mechanical synchronisation adjustable pinching pressure variable rolling speed hardened rolls conical bending device hydraulic drop-end bearing moveable control panel overload protection user manual in GERMAN or ENGLISH according to CE rules Hodeypbqbepfx Ackenk OPTIONAL: NC control upper and lateral supports IMPORTANT ISSUES AT CONICAL BENDING: the max. sheet metal thickness isequivalent to 50 % of nominal capacity

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 83800 € 1583.82 € 2550 mm 15 mm 15 mm 13 mm 12 mm 12 mm 10 mm 270 mm 270 mm 230 mm 50 mm 1155 mm 15 kW 4760 mm 1660 mm 1155 mm 8950 kg 4 rolls fully hydraulic drive of upper and lower roll (from 30 mm bending capacity all four rolls) by planetary gear box hydr. side rolls positioning with electronical synchronisation hydr. lower roll feed with mechanical synchronisation adjustable pinching pressure variable rolling speed hardened rolls Hodpoypbp Dofx Acksnk conical bending device hydraulic drop-end bearing moveable control panel overload protection user manual in GERMAN or ENGLISH according to CE rules OPTIONAL: NC control upper and lateral supports IMPORTANT ISSUES AT CONICAL BENDING: the max. sheet metal thickness isequivalent to 50 % of nominal capacity the cone length can be max. 30 % oremust be more than 60 % of roll length hardened rolls are recommended

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 98600 € 1863.54 € 3100 mm 16 mm 16 mm 13 mm 16 mm 14 mm 12 mm 300 mm 300 mm 240 mm 50 mm 1140 mm 18.5 kW 5310 mm 1660 mm 1140 mm 11100 kg 4 rolls fully hydraulic drive of upper and lower roll (from 30 mm bending capacity all four rolls) by planetary gear box hydr. side rolls positioning with electronical synchronisation hydr. lower roll feed with mechanical synchronisation adjustable pinching pressure variable rolling speed hardened rolls conical bending device hydraulic drop-end bearing moveable control panel overload protection user manual in GERMAN or ENGLISH according to CE rules OPTIONAL: NC control Hnodpfxoynm Hfe Ackjk upper and lateral supports IMPORTANT ISSUES AT CONICAL BENDING: the max. sheet metal thickness isequivalent to 50 % of nominal capacity

Condition: new, prebending: 6,0sheet length: 3100sheet thickness: 8,0total power requirements: 11,0weight approx.: 6,7messurements (LxWxH): 4,88x1,16x1,18 Hnodpfx Acjd Ab H Hskek

Condition: new, prebending: 10,0sheet length: 2550sheet thickness: 13,0total power requirements: 15,0weight approx.: 10,6messurements (LxWxH): 4,76x1,66x1,59 Hnedpod Ab H Iefx Acksk

Year of construction: 2024, condition: as good as new (ex-display), Hydraulic bending machine with variable axes HRB 3V by Durma Technical data: Bending size: 3100 mm Bending capacity Ødx1, 5:51 mm Bending capacity Ødx5: 60 mm On bending performance Ødx1, 5:39 mm Performance of the bending Ødx5: 35 mm Upper roller: 520 mm Bottom roll: Secondary roller: 470 mm Maximum roll width: length: 6600 mm Width: 2250 mm Height: 2670 mm Working height: 1920 mm Weight: 40500 kg Hnjdpfed E Ib Iex Ackek Motor power: 45 kW + 18.5 Min. additional upper roller diameters: Oil tank capacity: 1000 litres More machines are demonstration ready for us in Staufenberg. Upon request we send more information.

Condition: used, Year of construction: 2011, pressure: 400bending length: 4050column width: 3400electricity performance: 37,5weight approx.: 25.000messurements (LxWxH): 5750 x 2110 x 3440STOCK CLEARANCE – UNBELIEVABLE PRICE!CNC Press Brake – DURMA AD-S 40400 (4 m x 400 tons) Now available at a special price ex works Böheimkirchen: only EUR 79,000 (Original price approx. EUR 170,000) Technical Specifications:Manufacturer: DURMA Model: AD-S 40400 Year of manufacture: 2011 Bending length: 4,050 mm Pressing force: 400 tons Axes: Y1, Y2, X, R + CNC-controlled crowning Motor power: 37 kW Features & Equipment:CNC crowning system, motorized adjustment via control Upper tool: 1010/A/75°, segmented and gooseneck-style Die: Multi-V die Backgauge: CNC-controlled 2 front sheet supports on linear guides CE-certified laser safety system (Lasersafe) mounted on the upper beam Machine fully complies with CE standards Hedpfevfy Sxjx Ackenk Condition: Very good new pump installed One-time offer – available immediately!Only 1 unit in stock – ready for fast delivery – no lead time!Take advantage of this rare opportunity to own a high-performance CNC press brake at a fraction of the original price.

Condition: used, Year of construction: 2011, pressure: 400bending length: 4050column width: 3400electric current: 37,5 KWweight approx.: 25.000messurements (LxWxH): 5750 x 2110 x 3440STOCK CLEARANCE – UNBELIEVABLE PRICE! CNC Press Brake – DURMA AD-S 40400 (4 m x 400 tons) Now available at a special price ex works Böheimkirchen: only EUR 79,000!(Original price approx. EUR 170,000) Technical Specifications:Manufacturer: DURMA Model: AD-S 40400 Year of manufacture: 2011 Bending length: 4,050 mm Hnedpfx Acsv Rtg Tskek Pressing force: 400 tons Axes: Y1, Y2, X, R + CNC-controlled crowning Motor power: 37 kW Features & Equipment:CNC crowning system, motorized adjustment via control Upper tool: 1010/A/75°, segmented and gooseneck-style Die: Multi-V die Backgauge: CNC-controlled 2 front sheet supports on linear guides CE-certified laser safety system (Lasersafe) mounted on the upper beam Machine fully complies with CE standards Condition: Very good new pumpt installed One-time offer – available immediately!Only 1 unit in stock – ready for fast delivery – no lead time!Take advantage of this rare opportunity to own a high-performance CNC press brake at a fraction of the original price.

Condition: used, Year of construction: 2015, sheet width 3080 mm Hnsdpexab Ruofx Ackek plate thickness 16.0 mm thickness at "Niro-steel" 12.0 mm no. of strokes 7 - 12 Hub/min cutting angle 0.5 - 2.5 ° back stop - adjustable max. 1000 mm traversing speed 200 mm/sek down holder 14 Stück work height max. 840 mm Column width 3420 mm throat 350 mm Control D-Touch 7 oil volume 450 l voltage 400 V engine output 45.0 kW weight 18150 kg range L-W-H 4130 x 2210 x 2570 mm Good / well-maintained condition (!!) New price ~ €120.000 Special price upon request Features: - Robust electro-hydraulic sheet metal shear ("guided") - CNC control unit D-Touch 7 ("touchscreen") * Anti-reflective robust 7" color touchscreen control panel * Easy positioning to the desired size * Positioning accuracy 0.1 mm * Unlimited material definition in the material library * Intuitive menu navigation * Separate display for actual and target values * Backgauge retraction function * Cutting length control via adjustable stroke length * Cut counter * Automatic machine stop when the programmed cuts are reached - CNC electro-motorized adjustable backgauge * Travel range max. 1,000 mm * Backgauge adjustment via ball screws and linear guides - CNC electro-motorized cutting gap adjustment - CNC Electro-hydraulic cutting angle adjustment - Heavy-duty welded steel construction - Ergonomically positioned and clearly laid-out control panel - Hold-down clamp positioned close to the cutting edge - Front light barrier (instead of finger guard) - Self-regulating hold-down clamp pressure - Rear safety device (light barrier) - 1x side stop (L = 1,500 mm) - 2x support arms (L = 1,000 mm each) - Wide sheet supports with ball transfer rollers - Mobile foot switch with emergency stop function - High-quality, regrindable blades (split) - Rear sheet chute - Original operating instructions

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 92100 € 1740.69 € 3100 mm 16 mm 10 mm 350 mm 10 1/min 2 ° 14 61 to 1000 mm 200 mm/s 37 kW 410 l 2 Stk. 818 mm 550 mm 3580 mm 4550 mm 2250 mm 3825 mm 2250 mm 15000 kg Swing cut construction NC-preselection system D-touch 7 with touch screen for back gauge, cutting length, quantity, USB port Motorized back gauge 1000 mm on ball screws, folding upwards Clear control panel mounted on moveablearm Hydraulic hold down pistons are arrangedclose to the cutting edge Foot switch Central, manual blade gap adjustment Hnodpfowir Dysx Acksk Cutting line illumination Broad table with balls Piece counter Single and continous stoke Fold up finger guard 1.000 mm 1 squaring arm 1. 500 mm with scale,T-slot and tilting cam 2 supporting arms 1.000 mm with T-slot Simple replacement and grinding of theblades Variable adjustable cuttinglength for economic processing Lower blade fourfold turnable Upper blade double turnable Oilfilling Light barrier on the back of the machine Qualified customer support User manual in GERMAN and ENGLISH according to CE rules (sample photo) WE HAVE MORE THAN 850 REFERENCES!

Condition: new, sheet length: 3100sheet thickness: 13prebending: 10total power requirements: 15weight approx.: 10messurements (LxWxH): 4,88x1,16x1,18 Illustration Similar Roller diameter (top/bottom): Ø270 mm Bending length: 3,100 mm Maximum sheet thickness for normal bending: 13 mm Maximum sheet thickness for prebending: 10 mm Prebending / bending radius: 8 mm / 10 mm (radius calculated as Ød × 1.5) Hnedped Ab H Eofx Ackok CE Standard Variable speed Control unit – 7 Touch Screen Conical bending Induction hardened rolls Side rolls positioning via electronically synchronized PLC Bottom roll rigid mechanically synchronized Safety mechanism for welding on the machine Stress-relieved steel construction body Rolls seated with bearings Top roll hydraulic opening Top and bottom rolls driven by hydraulic motor and planetary gearbox Electrical and hydraulic overload protection Hydraulic pressure adjustable bottom rolls

Condition: ready for operation (used), Year of construction: 2023, machine/vehicle number: 7376230761, functionality: fully functional, operating hours: 305 h, pressing force: 400 t, stroke length: 365 mm, throat depth: 630 mm, controller model: Durma DT-15, working width: 4,050 mm, TECHNICAL DETAILS Hnodsy Avu Ajpfx Ackek Press force: 400 t Max. working width: 4,050 mm Upright distance: 3,400 mm Throat depth: 630 mm Max. stroke: 365 mm MACHINE DETAILS Control system: Durma DT-15 Number of axes: 4 (Y1+Y2+X+R) Crowning system: CNC-controlled Dimensions & Weight Dimensions (L x W x H): 5,750 x 2,110 x 3,640 mm Transport weight: 27,760 kg Transport packages: 1 Operating hours: 2,216 h Hydraulic motor hours: 305 h EQUIPMENT Tools Documentation CE marking CE certificate

Condition: used, Year of construction: 2019, total length: 5,100 mm, total width: 2,300 mm, total height: 2,400 mm, Weight: 10.470 kg With Pneumatic sheet-support - Year: 2019 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: 6922191908 - Drive system: CNC Hnodpfxew E H Sqo Acksk - Drive type: Hydraulic - Power [kW]: 11.0 - Max. sheet thickness [mm]: 6 - Max. working width [mm]: 4100 - Backgauge depth [mm]: 1000 - Transport dimensions: 5100mm x 2300mm x 2400mm (l x w x h) - Transport weight [kg]: 10470kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Condition: used, Year of construction: 2012, operating hours: 25,000 h, total length: 5,250 mm, total width: 2,350 mm, total height: 2,750 mm, Weight: 12.500 kg - Year: 2012 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: 7336127126 - Operating hours: 25000 - Drive system: CNC - Control system brand: Cybelec - Control system type: DNC-880S - Power [kW]: 18.5 - Number of axes [pcs]: 4: Y1+Y2+X+R - Press force [ton]: 175 - Max. working width [mm]: 4050 - Column gap [mm]: 3600 Hjdpfx Aowmf Efeckjnk - Max. stroke [mm]: 255 - Control type: DNC 880S - Control: CNC - Transport dimensions: 5250mm x 2350mm x 2750mm (l x w x h) - Transport weight [kg]: 12500kg - Transport packages [pcs.]: 3 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Condition: good (used), functionality: fully functional, Year of construction: 2018, control type: CNC control, controller model: Siemens Sinumerik 840D, laser type: fiber laser, laser power: 4,000 W, sheet thickness steel (max.): 20 mm, sheet thickness stainless steel (max.): 14 mm, sheet thickness aluminum (max.): 12 mm, travel distance X-axis: 3,048 mm, travel distance Y-axis: 1,530 mm, travel distance Z-axis: 160 mm, Equipment: documentation/manual, Machine DURMA HD-FL 3015 III – 4 kW Year of manufacture: End of 2018 (as new) — Technical Data • Working area (X-Y-Z): 3060 × 1530 × 160 mm • Max. sheet size: 3048 × 1524 mm • Max. sheet weight: 200 kg/m² Maximum sheet thicknesses: • Mild steel: 20 mm • Stainless steel: 14 mm • Aluminium (AlMg3): 12 mm Hedpfxeynbbqo Ackonk Dynamics & Precision: • Travel speed X-Y: 200 m/min • Synchronisation speed: 280 m/min • Acceleration: 20 m/s² • Positioning accuracy: ± 0.02 mm • Repeatability: ± 0.1 mm — Standard Equipment • CE-compliant version with shuttle table & light curtain safety system • Siemens SINUMERIK 840D CNC control • Precitec ProCutter cutting head F150 (auto-focus) • Automatic pallet changer system • Automatic sheet inspection (position & size) • Positioning laser diode • Automatic nozzle cleaning • Central lubrication system • Chip conveyor • User interface (power / speed / pressure) • External Metalix CAD/CAM software with autonesting • Illuminated working area • Multi-chamber extraction system • Warning beacon — Special Accessories • IPG 4000 W fiber laser source incl. chiller & compact extraction unit • Motorized chip conveyor • Linear drives for X1, X2, Y axes • Laser service kit • Automatic nozzle changer • Additional Metalix license — Special Arrangements • Roller container for slag & small parts (operator side) • Laser source, chiller & extraction system mounted above the machine • Machine frame to be manufactured by the customer

Condition: new, Fully automated system Energy saving Industry 4.0 Durma Cloud Fiber Laser Technology Environmental awareness Synchronous minimum working range High precise repeatability High process accuracy Hsdpfsg Adn Isx Ackjnk Compact layout Low noise level Simple and fast installation On request we will send you information material

Condition: new, Year of construction: 2024, Bending force: 320 t Year of construction: 2024 (new) Control system: DT 15 Bending length: 4050 mm Distance between the columns: 3600 mm Y fast Speed: 100 mm / s Y Working speed: 10 mm / s Y Retraction speed: 100 mm / s Motorized crowning Table length: 630 mm Table width: 154 mm Table height: 900 mm Stroke: 365 mm Projection: 450 mm 2 support arms 2 back gauge fingers Travel speed X-axis: 350 mm / s Travel in X-axis: 750 mm Travel speed in R-axis: (max.) 300 mm / s Travel distance R-axis: 250 mm Standard equipment: Y1, Y2, X (3-axis) Y1, Y2, X = 650 mm (double guide, aluminum) D-BEND software for 3D bending simulation and alignment Manual crowning R-axis, manual Backgauge with motor and linear guide and ball screw thread Stop finger back gauge with height adjustment (R-axis, manual) CE die holding system (upper dies) Front support arms for sheets, sliding (with T-channel and stops) Hydraulic blocks and valves in special design, in accordance with global standards Electrical equipment, in accordance with global standards Option: CE certified Motorized crowning Hjdsff Hvlepfx Ackonk and X & R backgauge Engine power 37 kW Oil tank capacity 250 lt Length 5300 mm width 1910 mm Height 3230 mm Weight approx. 20000 kg

Condition: new, Year of construction: 2024, PB 4 Bending centre With the Durma bending centre you get flawless results with maximum speed and safety, fully automatic tool change and minimum set-up time. The Durma bending center with its strong machine body, excellent precision, ergonomic design and its multiple bending functions, will occupy an important place in your operation. The combinations that we can technically apply in punching and laser machines allow maximum time saving in your production processes. Our developed smart consumption, operator independent standard production and Durma CNC bending center, which is manufactured according to stable thermal condition works, offers you the possibility to make profits against the increasing energy costs. Durma bending center performs simple and complex bending operations of sheet materials with thickness between 0.5 and 4 mm fully automatically. With its user-friendly, easy-to-use interface and software that simplifies part programming, this product will be your solution partner. Technical data: Maximum bending length: 2800mm Minimum bending length: 350mm Maximum sheet input length: 3050mm Maximum sheet input width: 1524mm Minimum bendable width: 150mm Maximum bending height: 254mm Maximum bending depth: 50mm Maximum sheet rotation circle: 3300mm Hnedpfjg Adi Rjx Acksk Bending force: 500 KN Compressive force: 1000 KN Maximum plate thickness: For Fe 410 N/mm2 Material: 3.2 m

Condition: new, Year of construction: 2024, Press brake AD-S 40220 | 4 meters 220 tons Everything can be configured on request, very short production and delivery times. We will be happy to send you further information on request. Technical data: Bending capacity: 220 tons Hjdofirx Dopfx Ackenk Bending length (mm): 4050 Passage between uprights (mm): 3600 Stroke (mm): 265 Installation height (mm): 530 Projection (mm): 410 Table height(mm): 900 Table width(mm): 104 Y Rapid traverse (mm/sec.): 160 Y Working speed(mm/sec): 10 Y Retraction speed(mm/sec.):140 X axles working speed(mm/sec.): 250 R axes working speed (M): 140 R axes travel distance: 250 X axes distance(mm): 650 Motor power: 22 kW Length: 5250 mm Width: 1770 mm Height: 2900 mm Weight: 14750 kg Standard equipment Control system: CNC Cybelec ModEva 19T CNC controlled motorized crowning European tool clamping system / or Durma clamping system on customer request Extended equipment: Safety system CE standard for EU: FIESSLER AKAS II M-FPSC-B-C (SAFETY PLC) Controlled axes backgauge: X1,X2,R1,R2,Z1,Z2 Control unit: DELEM DA-66T Delem 66T - 69T or Durma control is selectable DAM - Durma angle measuring system Hydraulic upper tool clamping Wila NSCL-I-HC/UPB - PRO - 180 t/m Hydraulic lower tool clamping Wila NSCR-I-HC-CNC/UPB - PRO Powerpack for hydraulic clamping D-BEND 3D CAD/CAM import & simulation program AP3 & AP4 bending aid 750mm to 1500 mm selectable Parking area for support arms (1000mm) TANDEM preparation Laser bending line Oil heating Manual or motorized central lubrication Air conditioning for control cabinet