What are Aventics pneumatic maintenance units and what industrial applications do they serve?

Aventics pneumatic maintenance units are integrated compressed air preparation systems combining filtration, pressure regulation, and lubrication components for industrial pneumatic applications. These modular units like the NL6-ACT and MU1 series serve manufacturing automation, packaging machinery, automotive assembly lines, and process control systems where consistent air quality at 6-10 bar operating pressure is critical. The membrane dryers from AS3-ADD and NL4-ADD series remove moisture to dew points below -40°C, while pressure regulators maintain stable downstream pressure within ±0.5% accuracy for precise actuator control.

What technical criteria determine the selection of Aventics maintenance unit components for specific flow requirements?

Selection of Aventics maintenance components depends primarily on volumetric flow rate, operating pressure range, and required air quality specifications. The NL2-ADD membrane dryers handle flows from 50 L/min to 200 L/min with G1/4 connections, while larger AS3-ADD units process up to 950 L/min through G1/2 ports. Pressure regulators like the MU1-RGS-G200 series operate from 0.5 to 16 bar input pressure with maximum flow coefficients of 8.0 m³/h, and filter elements achieve particle retention down to 0.01 µm for critical applications requiring ISO 8573-1 Class 1 air quality.

Which international standards and certifications apply to Aventics pneumatic maintenance units?

Aventics maintenance units comply with ISO 8573-1 compressed air quality classification standards, defining particle size, moisture content, and oil vapor specifications across nine purity classes. Components meet EN ISO 13849 safety requirements for pneumatic control systems and carry CE marking under the Machinery Directive 2006/42/EC. Filter housings conform to PED 2014/68/EU pressure equipment directive for operating pressures above 0.5 bar, while membrane dryers achieve IP54 ingress protection rating per IEC 60529 standards. ATEX-compliant versions are available for Zone 2 explosive atmosphere applications under directive 2014/34/EU.

What are the differences between Aventics AS3-ADD, NL4-ADD, and NL2-ADD membrane dryer series?

The Aventics membrane dryer series differ primarily in flow capacity, connection size, and regeneration method. NL2-ADD units handle 50-200 L/min through G1/4 connections with external purge air regeneration, while AS3-ADD series process 400-950 L/min via G1/2 ports using internal purge regeneration at 10-15% of inlet flow. NL4-ADD dryers operate at intermediate flow rates of 500-660 L/min with G1/2 connections and achieve pressure dew points of -40°C at 7 bar inlet pressure. All series use selective permeable membrane technology but differ in housing materials and mounting configurations.

What installation requirements and system compatibility considerations apply to Aventics maintenance units?

Aventics maintenance units require installation in vertical orientation with flow direction arrows observed, minimum 150mm clearance for filter element replacement, and ambient temperatures between -10°C to +60°C. Connection threads follow ISO 228-1 parallel thread standard with G1/8 to G2 port sizes depending on component series. System compatibility requires inlet pressure 1-2 bar above regulated output pressure for stable operation, and downstream piping should maintain velocity below 10 m/s to prevent pressure drops. Modular design allows series connection using standard mounting rails per DIN 24338, with electrical connections for pressure switches meeting IP65 protection requirements.

What safety ratings and operating parameter ranges are specified for Aventics pneumatic maintenance components?

Aventics maintenance units operate safely within 0.5 to 16 bar pressure range with proof pressure testing at 1.5 times maximum working pressure per ISO 4414 pneumatic safety standards. Components achieve IP54 or IP65 ingress protection depending on series, with operating temperatures from -10°C to +60°C for standard versions and extended -40°C to +80°C for special applications. Pressure relief valves activate at 110% of maximum setting to prevent over-pressurization, while burst discs provide secondary protection at 4 times working pressure. Filter housings withstand 40 bar proof pressure testing and feature tamper-evident drain valves meeting industrial safety requirements.

What maintenance intervals and service life expectations apply to Aventics pneumatic maintenance unit components?

Aventics filter elements require replacement every 6-12 months depending on contamination levels and operating hours, with differential pressure indicators signaling when 0.35 bar pressure drop is exceeded. Membrane dryers have no scheduled maintenance requirements beyond annual inspection of fittings and purge valve operation, with membrane modules typically lasting 3-5 years under normal operating conditions. Pressure regulator diaphragms should be inspected annually and replaced every 2-3 years or after 2 million cycles, while drain valves require monthly operation to prevent sediment buildup. Service life extends to 10+ years with proper maintenance following ISO 4414 pneumatic system guidelines and manufacturer specifications.

Maintenance units and components

Compressed air preparation

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Aventics 0821302584 (NL4-RGS-G012-GAN-MAN-060-SS) Druckregelventil, Serie NL4-RGS
€219.79
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Aventics 0821302803 (NL6-RGS-G034-GAU-MAN-100-SS) Druckregelventil, Serie NL6-RGS
€219.79
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Aventics R412007313 (AS3-ACD-G012-GAU-080-SSS-HO-05) Wartungseinheit, 2-teilig, Serie AS3-ACD
€219.16
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Aventics R412007282 (AS3-SSU-G012-PVN) Befülleinheit, elektrisch betätigt, Serie AS3-SSU
€218.01
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Aventics R412007277 (AS3-SSU-G038-PVN) Befülleinheit, elektrisch betätigt, Serie AS3-SSU
€218.01
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Aventics 0821303807 (NL6-FLS-G100-PNB-HO-40,00) Filter, Serie NL6-FLS
€217.62
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Aventics 0821303801 (NL6-FLS-G034-PNB-HO-40,00) Filter, Serie NL6-FLS
€217.62
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Aventics 0821300352 (NL4-FRE-G012-GAU-100-SSS-HO-05) Filter-Druckregelventil, Serie NL4-FRE
€217.62
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Aventics 0821300382 (NL4-FRE-G034-GAU-100-SSS-HO-05) Filter-Druckregelventil, Serie NL4-FRE
€217.62
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Aventics R412007044 (AS3-FLC-G038-SSS-AC-00,01) Feinst Filter, Serie AS3-FLC
€216.43
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Aventics R412007053 (AS3-FLC-G012-SSS-AC-00,01) Feinst Filter, Serie AS3-FLC
€216.43
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Aventics 0821300453 (NL2-ACT-G014-GAU-100-PNB-AO-05) Wartungseinheit, 3-teilig, Serie NL2-ACT
€216.00
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Aventics R412010794 (NL4-FLC-G012-PBS-HO-00,01) Feinst Filter, Serie NL4-FLC
€216.00
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Aventics R412010786 (NL2-FLC-G014-SSN-AO-00,01) Feinst Filter, Serie NL2-FLC
€215.79
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Aventics R412009004 (AS5-FLS-G034-PBP-AO-40,00) Filter, Serie AS5-FLS
€215.38
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Aventics R412009013 (AS5-FLS-G100-PBP-AO-40,00) Filter, Serie AS5-FLS
€215.38
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Aventics 0821300946 (NL2-SSU-G014-SOE-024-SS) Befülleinheit, elektrisch betätigt, Serie NL2-SSU
€214.98
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Aventics R412007327 (AS3-ACT-G012-GAU-080-PBP-HO-05) Wartungseinheit, 3-teilig, Serie AS3-ACT
€214.67
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Aventics R412007318 (AS3-ACT-G038-GAU-080-PBP-HO-05) Wartungseinheit, 3-teilig, Serie AS3-ACT
€214.67
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Aventics R412009275 (AS5-SSV-G100-FIS-INT) Befüllventil, pneumatisch betätigt, Serie AS5-SSV
€214.46
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Aventics 0821300799 (NL1-SSU-G014-SOE-CON-SS) Befülleinheit, elektrisch betätigt, Serie NL1-SSU
€213.49
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Aventics R412007035 (AS3-FLP-G012-SSS-AC-00,30) Vor- Filter, Serie AS3-FLP
€213.07
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Aventics R412007026 (AS3-FLP-G038-SSS-AC-00,30) Vor- Filter, Serie AS3-FLP
€213.07
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Aventics R412006574 (MU1-RGS-G100-GAN-100-MAN) Druckregelventil, Serie MU1-RGS
€212.72
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Aventics Maintenance Units and Components for Pneumatic Applications

Discover the complete range of Aventics maintenance units and components, designed to enhance the performance and reliability of your pneumatic systems. These high-quality products ensure optimal air preparation and are essential for maintaining efficient operation in various industrial settings. Whether you're looking for filters, regulators, or lubricators, Aventics offers reliable solutions tailored to meet your specific needs.

Ensure the longevity and efficiency of your pneumatic systems with Aventics' state-of-the-art maintenance components. Engineered for precision and durability, these components are perfect for industries that require consistent performance under demanding conditions. From small workshops to large manufacturing plants, Aventics has the right maintenance solutions to optimize your air pressure systems.

With Aventics maintenance units, you can expect superior air quality and reduced downtime. These components are designed to prevent contamination and ensure the smooth operation of pneumatic equipment, minimizing the risk of costly repairs and operational interruptions. Invest in Aventics for long-term savings and enhanced equipment performance.

Aventics pneumatic maintenance units are built with the latest technology to provide efficient and effective air preparation. The range includes versatile options that can be easily integrated into existing systems, offering flexibility and convenience. By choosing Aventics, you're opting for innovation and quality that meets the rigorous demands of today's industrial environments.

Optimize your pneumatic systems with Aventics maintenance units and components, which are engineered to deliver consistent performance and reliability. These products are essential for maintaining the integrity of your air pressure systems, ensuring they operate at peak efficiency. Trust Aventics to provide the solutions you need for effective air preparation and maintenance.