Norgren RT/57225/M/50 Roundline Cylinder - Magnetic Piston
Part Number: RT/57225/M/50
Quick Summary
Norgren RT/57225/M/50 Roundline cylinder is a compact, double-acting pneumatic actuator designed for precise linear motion in automation systems. Engineers often struggle with limited mounting space and compatibility when upgrading lines or robots, which can slow cycle times and complicate maintenance. In this class of cylinders, CE-compliant design and durable materials are common considerations, with stainless components delivering corrosion resistance in demanding environments. This combination of compact geometry and magnetic actuation reduces footprint while enabling easy integration with existing controls, sensors, and mounting options—delivering tangible business value through faster setup, reduced downtime, and lower total cost of ownership.
Product Information
Extended Description
RT/57225/M/50 Norgren: Saves 20% space over the basic length of a corresponding ISO/VDMA cylinder | Low friction, long life seals | High strength, double crimped end cap design | Standard magnetic piston for full control system versatility
Medium
Compressed air
Operating Temperature
-10 ... 80 °C, 14 ... 176 °F
Operating Pressure
1 ... 10 bar, 15 ... 145 psi
Port Size
Rc1/8
Cylinder diameter
25 mm
Stroke Length
50 mm
Operation
Double acting
Cushioning
Buffer cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
294 N
Materials - Barrel
Stainless steel (austenitic)
Materials - Piston Rod
Stainless steel (martensitic)
Dimensions - Height
26.5 mm
Dimensions - Length
152.5 mm
Dimensions - Width
26.5 mm
Weight
0.34 kg
Country of Origin
Czechia
Range
RT/57200/M
Series
Roundline
Brand
IMI Norgren
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Feature: Space-efficient geometry with a 25 mm bore and 50 mm stroke in a compact envelope. Business Impact: Saves up to 20% space vs a basic ISO/VDMA cylinder, freeing panel and machine room real estate for additional actuators and easier routing of air lines. Application: Ideal for tight automation cells, online pick-and-place, and compact conveyor integrations. Feature: Corrosion-resistant stainless steel barrel and martensitic piston rod paired with low-friction seals. Business Impact: Extends service life in washdown and harsh environments, reducing downtime and maintenance costs. Application: Food & beverage, packaging lines, and automotive assembly areas. Feature: Magnetic piston with standard reed-switch sensing compatibility (M/50/LSU/5V option). Business Impact: Enables reliable position feedback with simple wiring, improving control loop accuracy and cycle repeatability. Application: Sensorized positioning in automated lines and quality checks. Feature: Buffer cushioning for smoother stops and reduced mechanical shock. Business Impact: Minimizes wear on end caps, fixtures, and guides, extending life and repeatability. Application: High-cycle indexing, precise clamping operations, and robotic pick-and-place tasks. Feature: Versatile mountings including UF universal piston rod mounting and foot/nose options. Business Impact: Quick installation and simple retrofits with existing control schemes; compatible with Pneufit C fittings and Rc1/8 ports. Application: Retrofit projects and scalable line layouts in constrained spaces.
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FAQs
To install, select a mounting scheme compatible with a 25 mm bore. Use available options such as UF universal piston rod mounting or foot mounting styles for 25 mm bore cylinders, and connect with Rc1/8 fittings. Ensure correct alignment to prevent side loads, then secure with appropriate mounting hardware and test stroke clearance before commissioning the control system.
The cylinder provides a theoretical force of 294 N at its rated conditions. Force scales with system pressure within the 1 to 10 bar range, so increasing pressure increases push force up to the specification. Consider duty cycle, cushioning, and load inertia when selecting the operating pressure for your application.
Yes, the design uses a stainless steel barrel (austenitic) and stainless piston rod (martensitic) which improves corrosion resistance. This makes it well-suited for washdown and demanding environments typical in food & beverage, packaging, and automotive assembly. Always verify your specific IP rating needs and ensure proper sealing and maintenance for longevity.
Available mountings include UF universal piston rod mounting, foot mounting, nose nut styles, and swivel options. The flexibility supports multiple installations and simplifies retrofit. For sensor integration, consider using 5V reed-switch options like M/50/LSU/5V with a 5 m cable to enable reliable position feedback in compact spaces.
The combination of low-friction seals, a stainless barrel, and a magnetic piston reduces wear and maintenance intervals, lowering downtime. ROI is boosted by space savings, faster setup, and compatibility with modular mounts and sensing options, enabling easier system upgrades and extended service life in challenging environments.