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Rexroth Pneumatics/Hydraulics

Miscellaneous articles

This category contains Aventics articles from the historical Rexroth pneumatics and hydraulics program, continued under Aventics part numbers. The range includes components with references 2738050250, 2738095250, 2738180150, 5340970300, and R412000333/R412000336, designed for pneumatic and hydraulic applications. These articles are available as spare and stock parts for existing systems where conversion to successor systems is not planned.

⚙ Rexroth origin series - components from the Bosch Rexroth program, continued under Aventics numbers
✓ R412000333 / R412000336 - pneumatic components with Aventics order references
✦ 273xxxx / 534xxxx series - hydraulic and pneumatic components for existing installations
📦 Stock parts supply - available while stock lasts, for service use without system conversion

The articles included are suitable for direct replacement in systems originally equipped with Bosch Rexroth pneumatic or hydraulic components. The part numbers originate from the Rexroth program and were transferred to the Aventics portfolio following the Emerson acquisition. For ordering, the exact part number from system documentation must be used. For new designs, more current Aventics or Bosch Rexroth successor products are available.

Typical applications: Maintenance and repair of older systems equipped with Bosch Rexroth pneumatic or hydraulic components, spare parts stocking for systems with a long remaining service life, and service interventions where modification of the system structure is to be avoided.

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What are Aventics Rexroth pneumatic and hydraulic systems and their primary industrial applications?
Aventics Rexroth pneumatic and hydraulic systems are precision fluid power components designed for industrial automation and control applications. These systems combine pneumatic air-powered actuators operating at standard pressures of 6-10 bar with hydraulic components capable of generating forces up to 350 bar for heavy-duty applications. Primary applications include automotive assembly lines, packaging machinery, materials handling systems, and process automation in chemical and pharmaceutical industries where reliable linear and rotary motion control is essential.
What technical criteria should engineers consider when selecting Aventics Rexroth pneumatic components?
Engineers must evaluate operating pressure requirements typically ranging from 2-16 bar for pneumatic systems, cylinder bore sizes from 12mm to 320mm depending on force requirements, and stroke lengths up to 2000mm for linear actuators. Connection specifications include standard port sizes G1/8 to G1 threading per ISO 228, media compatibility with compressed air quality per ISO 8573-1 Class 2:4:3, and ambient temperature ratings from -20°C to +80°C. Flow rates and response times must align with cycle requirements, particularly for high-speed packaging applications demanding sub-second actuation cycles.
Which international standards and certifications apply to Aventics Rexroth fluid power systems?
Aventics Rexroth systems comply with ISO 5598 for fluid power system terminology, ISO 4414 for pneumatic system safety requirements, and ISO 4413 for hydraulic system safety standards. Components meet CE marking requirements under Machinery Directive 2006/42/EC and Pressure Equipment Directive 2014/68/EU for pressurized systems. ATEX certification per Directive 2014/34/EU is available for explosive atmosphere applications, while IP65 protection rating per IEC 60529 ensures dust and water resistance in harsh industrial environments.
How do different Aventics product variants like R412000336 and R412000333 differ in specifications?
Aventics pneumatic components vary primarily in cylinder bore diameter, stroke length, and mounting configuration to match specific application requirements. Standard variants include compact cylinders with 12-63mm bore diameters for light-duty applications, medium-duty cylinders from 32-125mm bores for general automation, and heavy-duty variants up to 320mm bore for high-force applications requiring over 10kN thrust. Mounting options range from ISO 15552 standard tie-rod designs to ISO 21287 compact series with integrated position sensing and ISO 6432 miniature cylinders for space-constrained installations.
What installation requirements and system compatibility considerations apply to Aventics Rexroth components?
Aventics Rexroth components require compressed air supply filtered to ISO 8573-1 Class 2:4:3 with maximum particle size 5μm, pressure dew point -40°C, and oil content below 1mg/m³. Installation demands include minimum bend radii of 5x tube diameter for polyurethane tubing, torque specifications of 15-25 Nm for G1/4 fittings per DIN 3852, and vibration isolation for frequencies above 50Hz. System compatibility extends to major fieldbus protocols including PROFIBUS-DP, DeviceNet, and IO-Link for integrated position feedback and diagnostic capabilities in Industry 4.0 applications.
What safety ratings and environmental specifications do Aventics Rexroth systems provide?
Aventics Rexroth systems achieve IP65 protection rating per IEC 60529 standard against dust ingress and water jets, with optional IP67 rating for wash-down applications in food processing environments. Operating temperature range spans -20°C to +80°C for standard seals, extending to -40°C to +150°C with specialized fluorocarbon seals for extreme conditions. Maximum working pressure reaches 16 bar for pneumatic circuits with safety factor 4:1 per ISO 4414, while hydraulic variants operate up to 350 bar with burst pressure ratings exceeding 1400 bar for critical safety applications.
What maintenance intervals and service procedures are recommended for Aventics pneumatic systems?
Aventics pneumatic systems require filter element replacement every 8000-12000 operating hours or annually depending on air quality conditions per ISO 8573-1 standards, with automatic drain valve service every 2000 hours in high-humidity environments. Cylinder seals typically achieve 10-20 million cycles at rated pressure before replacement, with inspection recommended every 6 months for critical applications. Preventive maintenance includes monthly pressure regulator calibration verification, quarterly compressed air quality testing for particle count and oil content, and annual system pressure testing at 1.5x working pressure to validate safety integrity per ISO 4414 requirements.