Used Novus Extraction System, Filter Ventilation for sale (43,675)

Condition: used, Year of construction: 2012, machine/vehicle number: IntNr231316, Technical Data – Used LNS FOX IFS WS 500 Feature Specification Model FOX IFS WS 500 Year of manufacture 2012 Extraction capacity approx. 500 m³/h Motor output approx. 0.37 kW Voltage 400 V / 50 Hz (typical) Weight approx. 35 kg Dimensions approx. 465 × 500 × 1,145 mm (W x D x H) Filter stages 1. Pre-filter F5 2. Centrifugal separator 3. Post-filter F5 (optional: HEPA H13) Filtration efficiency 99 % at ≥ 1–2 µm (F9), optional HEPA 99.95 % at ≥ 0.1 µm Noise level approx. 65 dB (model WS2 similar) Accessories & Features • Compact design for installation directly on or next to CNC machines • Stand for extraction • Three-stage filtration for efficient oil and coolant mist separation • Cartridge filter optionally upgradable with HEPA kit Tjdpfxjz E N Tlo Amrsc • Easy maintenance, low-noise operation, and durable filter elements Technical data and information subject to change and error. Prior sale reserved!

Condition: excellent (used), Year of construction: 2017, Separator, dust separator, welding fume filter, filter system, cartridge dust extraction system, cartridge filter unit, cartridge filter -Condition: unused, without extraction fan -Manufacturer: INFASTAUB, filter system cartridge filter with pneumatic filter cleaning -Type: AJV 800-980-22 P -Cyclone separator: made of stainless steel -Inlet opening: Ø 110 mm Todpfx Asytgrxomrsc -Outlet opening: pneumatic shut-off valve Ø 300 mm -Dimensions: 1730/1730/H5500 mm -Quantity: 2 pieces available Price: per piece -Transport dimensions: 4 loading meters, height 1730 mm -Weight: 1120 kg

Condition: used, Year of construction: 2001, functionality: fully functional, type of input current: three-phase, suction capacity: 6,000 m³/h, intake manifold diameter: 300 mm, filter area: 31 m², Dust extraction unit, chip extractor, self-cleaning filter, vacuum, pneumatic ALKO MOBIL JET 300 The filter is pneumatically cleaned by compressed air pulses during operation, ensuring high device efficiency. The fan is positioned on the clean air side, minimizing explosion risk. Tedpfx Amey Rz T Hsrec The unit is additionally equipped with a fire protection system. Perfectly suited for wide belt sanders and all types of dry dust in various technological processes – filtration bags can be replaced to suit specific requirements and applications. Fan power: 7.5 kW Capacity: 6000 m3/h Vacuum: 2400 Pa Nozzle diameter: 300 mm Air return Automation for direct start from machines. Stock no.: 1131

Condition: used, Industrial Dust Extraction System, Dust Collection Unit, CORAL POLIVAL 2 ADPE, Used Machine Manufacturer Todpfx Aezh H Ubomrec CORAL S.p.A. (Italy) Model POLIVAL 2 ADPE Technical Specifications Serial Number: 00000201 Rated Power: 4.0 kW Motor Speed: 2800 RPM (high-speed, high-suction fan) Operating Voltage: 400 V, Three-phase Construction: Weather-resistant, modular galvanized steel housing Extraction Surface: 3700 × 1100 mm Version: ADPE – designed for the safe extraction of potentially explosive fine dust Overall Dimensions Width: 3160 mm Depth: 1100 mm Height: 2010 mm Filter Unit Dimensions Width: 2930 mm Depth: 1100 mm Height: 950 mm

Condition: used, Year of construction: 2017, Blast Cabinet with Extraction System Blast Cabinet: Manufacturer: SGT Strahlmaschinen AG Tjdpjyddufofx Amrsc Model: SX-100 / DK / 4P Extraction System: Manufacturer: Gläsner Plant No.: 5V 3028 055 Voltage: 400 V Frequency: 50 Hz Power: 2.2 kW The blast cabinet is sold together with the extraction system. Purchasing individual components separately is not possible. Inspection is available by appointment.

Condition: excellent (used), Year of construction: 2015, Dust extractor for capturing, conveying, and sorting all types of wood dust and chips from their sources, as well as extracting and separating settled wood chips and dust.
1 x Modular vacuum filter 9/4-30, 3 units. Fans: 2 x US-FHN 15kW
Conveyor device: 1 x rotary airlock NZRS 2140x665 Total volumetric flow: 30,000 m3/h Tjdpfx Aey Edxuemrsc

Condition: good (used), Year of construction: 2004, functionality: fully functional, power: 11 kW (14.96 HP), input voltage: 400 V, input frequency: 50 Hz, type of input current: three-phase, intake manifold diameter: 350 mm, year of last overhaul: 2020, Equipment: CE marking, documentation/manual, Schuko Intermediate Filter System “Eco Var 04” Professional dust extraction system Schuko Eco-Var 04 (year of manufacture 2004) – complete system including piping, control system, and emission permit. For sale is a powerful and fully functional industrial dust extraction system from the premium manufacturer Schuko, type Eco Var 04 (year of manufacture 2004). The system is ideally suited for woodworking companies for efficient extraction of chips and dust and is offered including an extensive pipe and control system infrastructure. Technical data & equipment • Manufacturer: Schuko • Model series: Eco Var 04 (intermediate filter system) • Year of manufacture: 2004 • Drive power: approx. 11 kW (powerful, efficient fan) • Discharge: Rotary valve airlock with 5 sealing lips (ensures safe, pressure-loss-free material discharge into containers, silos, or briquetting presses) Extensive accessories & infrastructure (included) • Pneumatic valves: approx. 20 units for automatic shut-off of individual machine connections. • Pipe & hose system: approx. 80 meters of robust extraction pipe including the corresponding flexible hoses. Tedjzddwgepfx Amrec • Pneumatic infrastructure: compressed air connections including all associated pneumatic hoses for valve control. Product advantages & condition • Complete package: No tedious searching for individual parts – from the filter system to the piping and the complete control and pneumatic system, everything is available for workshop installation. • Robust industrial quality: The Eco-Var series from Schuko is known for its durability, high filter area, and reliability in daily workshop use. • Energy-efficient: Thanks to the approx. 20 pneumatic valves, the extraction performance is only provided where work is currently being carried out, which saves a lot of energy. Note for buyers: The system is in a well-maintained and fully functional condition, appropriate for its age. Inspection can be arranged.

Condition: used, Hall extraction system, chip filter system, filter system, chip extraction, wood chip extraction, Radial fan, chip extraction blower, fan, extraction, chip blower -Handover: in its current state as inspected, without filter element -Manufacturer: Höcker -Motor power: 1.5 kW -Speed: 2870 rpm Tjdpof D Azhjfx Amroc -Inlet connection: Ø 147 mm -Outlet connection: Ø 515 mm -Base frame: on casters -Dimensions: 610/1100/H1405 mm -Weight: 68 kg

Condition: new, Year of construction: 2025, machine/vehicle number: 011/2020, STK-10000i is low-cost vacuum system from SAF TEKNIK and it offers very good filtration with a lot of power and airflow! It includes multiple filter columns and filter cleaning through vibrating. It also has a separator for bigger parts, which prevents damage to the whole system. TECH. SPECIFICATION: - Motor power: 11 KW Tjdpfx Ajf D S Tremrjc - NEW: Frequency inverter for main motor - Exhaust capacity: 10000 m3/h - Air speed: 41 m/s - filter area: 30 m2 - bin volume: 810 Liters - exhaust inlet diameter: 355 mm - weight: 740 kg - dimensions: 3170 mm X 1200 mm X 2330 mm OTHER VERSIONS, also available: - STK-6500 (6500 m3/h) - STK-8000 (8000 m3/h)

Condition: used, functionality: limited functionality, input voltage: 400 V, input frequency: 50 Hz, intake manifold diameter: 300 mm, actuation type: electric, Used stationary extraction system installed in a good, tightly sealed cabinet with external electrical control box. Automatic electric filter shaking. Dismantled, immediately available from Barneveld. 300mm connection. Tjdpfx Amjy Ihwtoroc

Condition: like new (used), Year of construction: 2025, functionality: fully functional, power: 7.5 kW (10.20 HP), input voltage: 400 V, input current: 13 A, input frequency: 50 Hz, type of input current: three-phase, volume flow: 5,089 m³/h, intake manifold diameter: 300 mm, actuation type: electric, overall weight: 952 kg, We are offering this like-new AL-KO POWER UNIT 300 P mobile dust extraction unit, manufactured in 2025, without warranty or the possibility of return. The unit is in perfect, fully functional condition. You are welcome to inspect the unit at our premises. The sale will be processed with an invoice. Type: POWER UNIT 300 P Article number: 195 677 03 Manufacturer's number: 2433409659/01 Year of manufacture: 2025 Intake nozzle: 300 mm Rated speed: 2900 1/min Todpfxsz E H Dus Amrec Rated volume flow: 5.089 m³/h Rated current: 13.7 A Vacuum at rated volume flow: 2.587 Pa Protection class: IP 54 Motor power: 7.5 kW Weight: 952 kg Voltage/current type/frequency: 400/3~/50 V/Hz Compressed air connection: 4.0 bar Fuse rating: 25 A Filter: 85101202 Kat M If you have any questions or require further information, please send us a message or call us.

Condition: new, Year of construction: 2025, functionality: fully functional, power: 11 kW (14.96 HP), input voltage: 400 V, type of input current: three-phase, volume flow: 9,000 m³/h, suction capacity: 9,000 m³/h, intake manifold diameter: 300 mm, filter area: 165 m², noise level: 70 dB, total height: 2,500 mm, total length: 1,980 mm, total width: 990 mm, overall weight: 450 kg, space requirement height: 2,500 mm, space requirement length: 2,000 mm, space requirement width: 1,000 mm, warranty duration: 12 months, Equipment: documentation/manual, 1. Product Description The Airtech extraction unit is a horizontally installable, integrated dust separation system (cartridge filter unit) equipped with multiple filter cartridges. It is designed for applications with small to medium volume flows and offers high particle separation efficiency. Main Features: - Multiple filter cartridges arranged horizontally provide a compact and maintenance-friendly design. - Particularly suitable for industrial applications where constant and reliable dust extraction is required. Your Benefits - High filtration efficiency & air quality: The multi-stage filtration effectively retains fine dust particles, contributing to cleaner air and extending the service life of your production equipment. - Compact design: The horizontal layout saves space and simplifies integration into existing systems. - Low maintenance: Easy access to filter cartridges allows for efficient inspection, cleaning, or replacement. Tsdpfx Asxx Ia Homrsc Powerful: The 11 kW blower ensures strong suction power and stable extraction performance even in challenging applications. Delivery ex works / ex stock Installation and commissioning (optional): available on request by our trained technical staff. Spare parts (filter cartridges) as well as maintenance contracts can be offered separately to maximize system uptime.

Condition: new, SCHUKO Vacomat 140/160 XPe clean air extraction system Tedpfxsu R Szye Amrjc - Exhibition unit - Filter generation motorized, mobile, extraction side right or left, can be remounted ----- Technical data ----- Test mark: H3 / BGHM HO 193023, Extraction nozzle Ø: 1 x 140 / 160 mm, Nominal volume flow: 1,447 m³/h, max. negative pressure: 2,200 Pa, Filter area: 9.5 m², Residual dust content: < 0.1 mg/m³, Number of bags: 1 piece, Motor: 2.2 kW, Dimensions (LxWxH): 1,665 x 900 x 1,980 mm, Weight: 306 kg, Dust class M: AWN 16 - new exhibition machine -

Condition: used, Year of construction: 2003, Central extraction system Adlolph & Co. (JKF) with screw conveyor and rotary valve. Manufacturer: Adolph & Co. (JKF) Type: AC 2 LK Year of manufacture: 2003 Suitable for dust and chips Volume flow: approx. 16,000 m³/h With air recirculation 1 piece Sluice filter, galvanized - Year of manufacture 2003 - AC 2 LK - Filter area: approx. 150m² - Cleaning of the filters via a vibration motor - Filter housing made of galvanized sheet steel - 3 inspection doors - Pressure relief surfaces - Exhaust air connection according to local requirements - Filter base frame in welded steel construction, galvanized. - Including dry extinguishing line, C connection 3 pieces Extraction fans: 1 piece Manufacturer: JKF Type: JK - 40K L Motor power: 11.0 kW Speed: 2,400 rpm Air flow: ~ 10,800 m³/h 1 piece Manufacturer: JKF Type: JK - 30K L Motor power: 7.5 kW Speed: 2,900 rpm Air flow: ~ 7,500 m³/h 1 piece Manufacturer: JKF Type: JK - 30K L Motor power: 7.5 kW Speed: 2,900 rpm Air flow: ~ 7,500 m³/h1 piece Pipe components Air return - incl. galvanized ducts - Must be supplemented for a new location 1 piece Control cabinet With PLC Siemens control, in dustproof Todpjywd I Tefx Amrsc sheet steel standard housing, designed as a wall cabinet.Designed for: Installation dimensions: - Length: 5,250 mm - Width: 1,300 mm - Height: 4,650 mm (may vary depending on equipment) Electrical connection value: - Approx. varies depending on number of fans - 400 V/50 Hz - Control voltage 230 V AC/24 V DC - Location, not in stock

Condition: ready for operation (used), Year of construction: 2009, A wood dust extraction and filtration system Krämer for saw lines is available. 1) Wood dust extraction unit Krämer VKA-P 100/650/55, air volume flow: 27000m³/h, pressure increase: 3800Pa, motor power: 55kW, V-belt length: 3550mm. 2) Filtration unit Krämer GFS Shake 160/25/250, filtration capacity: 30000m³/h, filter material: polyester needle felt, material discharge: TFS40/10/1.1. 3) Fan Krämer VFM-R 45/250/3, air volume flow: 3000m³/h, pressure increase: 2500Pa, motor power: 3kW. 4) Fan Krämer VFM-P 42/200/4, air volume flow: 2500m³/h, pressure increase: 3000Pa, motor power: 4kW. 5) Separator tank/filter hopper Krämer. 6/7) 2x axial fans. Including pipes and peripheral equipment. The motor flange on the discharge motor is defective. Documentation available. An on-site inspection is possible. Tjdsxl Elgjpfx Amroc

Condition: used, Year of construction: 2023, functionality: fully functional, Complete extraction system for the production line for log cutting LSH 350/4500. Commissioned in 01/2023. The equipment has no manufacturer, it consists of individual components. Configured based on calculations, documentation available. Tsdpfjxa Excex Amrjc

Condition: excellent (used), Year of construction: 2020, functionality: fully functional, power: 3 kW (4.08 HP), input voltage: 400 V, input current: 5 A, input frequency: 50 Hz, Equipment: CE marking, documentation/manual, For sale: Losman air cleaning units in excellent condition, suitable for applications such as removing oil mist generated in metalworking. The cleaned air is returned to the workspace, and the condensed coolant collected during filtration can be recycled. There are 2 units available, one of which is from 2014. Both units have had their filters replaced. Tjdpfx Aeyk Sknomroc

Year of construction: 2011, condition: good (used), Offer 24370 Sludge filtration system in a sea container + conveyor belt Technical data: - Sludge filter press JUNGHANS with cylinder unit - Flocculation system - Pumps - Separate conveyor belt for sludge removal, length 8.0 m - Control cabinet with electrical equipment - Water collection tray made of aluminum on the entire container floor - Lighting Tjdpfx Amet Srkperjc - Sea container with 4 doors - Space requirement for the container: approx. W 6.0 x H 2.4 x D 2.4 m - Weight: approx. 5000 kg - Space requirement for the conveyor belt: approx. W 8.0 x H 0.8 x D 1.0 m - Weight: approx. 1000 kg

Condition: excellent (used), Year of construction: 2022, Technical data: - Total filter capacity approx. 150 l/min - Filter fineness approx. 3 μm nominal - Dimensions (W x D x H) approx. 1400 x 1300 x 1100 mm - Tank capacity approx. 800 l Equipment: - 2 filter groups, individually backwashable, each with 1 TCF filter tower - 1 filter pump - 1 pneumatic unit - 1 manual sludge removal system with sludge bag - Internal system piping - Color RAL 7035 - 1 control cabinet, wired according to VDE standards, PLC control, operation and parameterization via touch panel 1 unit of machine supply pump for supplying the machine with filtered coolant as a submersible centrifugal pump Technical data: - Flow rate: approx. 70 l/min - Delivery pressure: approx. 5 bar - Drive: 400V, 50Hz 1 unit of cooling pump as a submersible centrifugal pump Technical data: Tjdpfozk Ek Tsx Amrec - Flow rate: approx. 80-120 l/min - Delivery pressure: approx. 1.5 bar - Drive: 400V, 50Hz, IE3

Condition: new, With air flow rates of up to 22,000 m³/h, the stationary compact filter systems of the ECO JET series offer a wide range of applications. They are the ideal extraction solution for machines in various manufacturing sectors and industries, including larger processing machines. Eligible for BAFA funding according to Module 4. Tsdpfx Ajwwtuiemrec ECO JET series systems are equipped with fans arranged on the clean air side, which draw the dust- and chip-laden air towards the filter unit. In the most powerful DUO models, two fans are connected in parallel. A flange at the filter unit inlet enables the connection of custom duct diameters. The aerodynamically optimized airflow in the separation chamber allows coarse particles to be separated directly, without reaching the filter bags. Residual dust collected by the filters is automatically cleaned by the AL-KO OPTI JET® filter cleaning system, with the separated material discharged into mobile collection containers located beneath the filter. Applications: - Extraction from production machines, machining centers, and ductwork systems with multiple suction points - Direct extraction for continuous operation - In sectors such as wood processing, joineries, carpentry workshops, furniture manufacturing, plastics manufacturing and processing, paper production, orthopedic industry, and many more Advantages: - Wide selection of standard extraction systems with numerous customer-specific customization and options - Consistently high suction performance thanks to integrated pre-separator and AL-KO OPTI JET filter cleaning system - Heating cost savings, as 100% recirculation operation is possible in many cases - Small footprint due to compact design - Suitable for indoor and outdoor installation - Available in ATEX-compliant versions - Extensive range of accessories and numerous options for individual device configuration - Eligible for BAFA funding according to Module 4

Year of construction: 2021, condition: excellent (used), Filter system, air conditioning unit, air conditioning, fan, ventilator, electric motor, blower, electric motor, blower, radial fan, emergency ventilation fan, flue gas fan, axial fan, axial fan, axial fan, axial fan -Filter unit (from an air conditioning system) -Manufacturer: Wolf -Type: KG Top 4040 Tjdpfx Amjxd Unhorsc -Power: Fan 4x 5.0 kW -Volume flow: 47000 m³/h -Dimensions: 2950/2800/H2800 mm -Weight: 1400 kg

Condition: used, This listing is for 1 of 4 Liferiver EX3600 Extraction System. The unit is in full working condition and is ready for immediate release. The Liferiver EX3600 is a cutting-edge, fully automated nucleic acid extraction system designed to enhance laboratory efficiency and convenience. Here’s a detailed overview of its standout features and applications: Key Features: - Versatile Sample Volume: The EX3600 can process a wide range of sample volumes, from 20 to 200 microliters, making it suitable for diverse applications and sample types. - High Throughput: Capable of handling up to 24 samples in a single run, the EX3600 significantly boosts productivity, particularly in high-demand research environments. - User-Friendly Interface: The integrated LCD screen provides clear, real-time monitoring of the extraction process, allowing users to easily track progress and make adjustments as needed. - UV Sterilization: Equipped with a UV lamp, the system ensures sterilization of the working area, which is crucial for preventing contamination and maintaining sample integrity. - Quick Processing Time: The entire nucleic acid extraction process takes approximately 20 minutes, enabling rapid turnaround for critical experiments, such as those in diagnostics or research settings. Tjdpfx Amsxxyf Isroc - Magnetic Bead Technology: Featuring a magnetic bar for efficient handling of magnetic beads, the EX3600 streamlines the extraction process, reducing manual intervention and minimizing errors. Applications: - Whole Blood and Plasma: Ideal for clinical applications, particularly in genetic testing or infectious disease diagnostics. - Serum Samples: Useful in biomarker discovery and research. - Cells: Supports cellular research and analysis. - Food Samples like Milk: Perfect for food safety testing and microbiological analysis. - Fecal Samples: Essential for studies in microbiome research or gastrointestinal health. - Specialized Use: - The EX3600 is particularly effective for extracting viral RNA, making it a valuable tool in the fight against infectious diseases, including COVID-19 detection. Trained laboratory personnel can prepare samples before utilizing the automated system, ensuring consistent and reliable results.

Condition: used, Year of construction: 2008, machine/vehicle number: 1001877, functionality: fully functional, power: 22 kW (29.91 HP), volume flow: 14,100 m³/h, intake vacuum (max.): 450 mbar, suction capacity: 14,100 m³/h, intake manifold diameter: 450 mm, filter area: 125 m², actuation type: electric, total height: 5,800 mm, total length: 2,100 mm, total width: 2,100 mm, overall weight: 2,000 kg, Equipment: CE marking, documentation/manual, dust extraction, Schuko Ecovar extraction system, 14,000 m³/h – complete and operational Complete Schuko Ecovar industrial extraction system for sale, including a 22 kW main fan, a 7.5 kW transport fan, and the corresponding control system. The system is currently in operation and can be inspected while it is running. Due to an expansion of our capacity, this system will be replaced by a larger, new Schuko extraction system. An interesting complete system for companies looking for a powerful used extraction/filtration system with a capacity of approximately 14,000 m³/h. Key features * Capacity: approx. 14,000 m³/h * Filter area: 125 m² * Main fan: 22 kW * Transport fan: 7.5 kW * 100 filter hoses * Electric/pneumatic filter cleaning * Antistatic filter material * Includes the corresponding control system * Complete system * Currently in use and can be inspected while running Technical data for the filter system Brand: Schuko Type: Ecovar 04 22020/25/125, through-flow Design: overpressure, static Number of elements: 1 Material extraction: transport fan Filter material: antistatic polyester needle felt, BIA, AWN 05 Diameter of filter hoses: Ø 160 mm Length of filter hoses: 2,500 mm Number of filter hoses: 100 pieces Filter fabric area: 125 m² Filter cleaning: electric/pneumatic Weight: approx. 2,000 kg Dimensions of the filter system (L × W × H): approx. 2,100 × 2,100 × 6,000 mm Main fan Brand: Schuko Type: S 450/O/L2 Connection diameter: Ø 450 mm Capacity: 14,100 m³/h at 3,412 Pa Motor power: 22 kW Drive: direct Transport fan Brand: Schuko Type: TSK 250/O/S4 Connection diameter: Ø 250 mm Capacity: 4,500 m³/h at 3,344 Pa Motor power: 7.5 kW Drive: indirect Design: reinforced Condition and availability The extraction system is currently operational and is being sold only because it is being replaced by a new Schuko system with a larger capacity. This provides the opportunity to inspect the system while it is running before dismantling. Availability upon consultation. Dismantling and transport upon consultation. Serious interest? Please feel free to contact us for additional information, photos, technical data, or to arrange an appointment to inspect the system while it is running. Tjdpfx Aez Egzmsmrsc

Condition: reconditioned (used), Year of construction: 1994, machine/vehicle number: 941108, functionality: fully functional, total height: 2,520 mm, total length: 2,580 mm, total width: 1,000 mm, Compact dust extraction system with 3 chip collection bags – WITHOUT fan Nominal air flow rate: 5000 m³/h with existing fan – up to 7500 m³/h possible Filter area: 37.5 m² Filtration technology: AL-KO Opti-Jet system consisting of compressed air cleaning (sequence-controlled) and surface filtration Chip collection capacity: 8 solenoid valves Suction nozzle: DN 355 mm Compressed air connection: 1", compressed air, water and oil-free Minimum compressed air consumption 8.5 bar: 1140 NL/cleaning cycle Tedpfx Aezqan Homrsc Operating pressure: maximum 8.5 bar Fire extinguisher connection: 1 x 1 1/2" Dimensions WxD approx: 2572 x 981 mm Height approx: 2520 mm Weight without filter approx: 457 kg JET cleaning: A pressure surge on the inside of the filter achieves effective cleaning of the filter hoses on the outside. Easy maintenance: large access doors facilitate filter maintenance, additional inspection covers High-quality filter material: oil and water-repellent surface coating of the filter, for problematic dusts (paint sanding dust, wet dust), filter washable Uniform bag filling: infinitely adjustable distribution flaps enable uniform bag filling Suitable fan: see item no. 7458 D=250 mm - 5000 m³/h extraction capacity With a fan D=350 mm, up to 7500 m³/h extraction capacity is possible!!!

Condition: used, Year of construction: 2018, Nominal flow rate: 5087 m³/h Negative pressure Pa: 2300 Motor: 7.5 kW Dimensions: 1080 x 820 x 860 mm Weight: 154 kg Storage location: Nattheim Todpfx Amevxk Aneroc