Norgren RT/57250/JM/50 Roundline Cylinder - Magnetic
Part Number: RT/57250/JM/50
Quick Summary
RT/57250/JM/50 is a roundline double-acting pneumatic cylinder designed for compact automation in tight spaces. In modern machinery, bulky cylinders steal real estate and complicate sensor integration. The design features a standard magnetic piston for easy feedback, a high-strength double-crimp end cap, and stainless components that support reliable operation across changing conditions. These attributes reduce maintenance cycles, while the compact geometry aligns with ISO/VDMA guidelines to streamline installation, retrofit projects, and scalable line upgrades. For system integrators, this translates to faster commissioning, clearer position data, and lower total cost of ownership across varied production lines.
Product Information
Extended Description
RT/57250/JM/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
Rc1/4
Cylinder diameter
50 mm
Stroke Length
50 mm
Operation
Double acting
Cushioning
Buffer cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
1178 N
Materials - Barrel
Stainless steel (austenitic)
Materials - Piston Rod
Stainless steel (martensitic)
Range
RT/57200/M
Series
Roundline
Brand
IMI Norgren
Space-efficient design delivers a 20% footprint reduction compared with a basic length ISO/VDMA cylinder, freeing space for adjacent actuators and control hardware. This directly translates to faster line layouts and easier cabinet integration in electronics-driven automation cells. Magnetic piston enables straightforward sensor feedback without mechanical switches, simplifying control loops and reducing wiring complexity. Applications like pick-and-place require reliable position sensing; this feature supports clean integration with standard PLCs and sensors. Stainless steel barrel and piston rod offer corrosion resistance and extended life in challenging environments. In harsh washdown or humidity-prone lines, the rugged materials minimize maintenance and replacement costs. Buffer cushioning softens impact at end-of-stroke, reducing vibration and wear on end caps. This improves cycle life and allows higher-speed operation in packaging or automation tasks. Double-crimped end caps and high-strength construction provide robust pressure containment and long-term stability. The combination makes installation more straightforward and gives confidence in confined spaces and tight tolerances. Operating range of 1–10 bar and temperature -10 to 80°C, plus Rc1/4 port, ensures compatibility with most standard pneumatic systems. The 50 mm bore and 50 mm stroke offer a balanced actuating capability with a theoretical force up to 1178 N, enabling versatile actuation for clamps and fixtures.
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FAQs
The Roundline family supports common ISO/VDMA mounting patterns and can be configured with end mounting, clevis attachments, or foot brackets. For best results, align mounting surfaces to minimize side loads, choose compatible end caps, and verify port orientation to avoid interference with adjacent actuators.
Operating pressure is 1 to 10 bar (15 to 145 psi) and operating temperature ranges from -10 to 80 °C (14 to 176 °F). These specs ensure reliable actuation across typical factory air systems while preserving seal life and stroke performance.
Yes. The cylinder features a standard magnetic piston that enables non-contact position sensing with magnetic switches or sensors. This simplifies feedback loops, reduces wiring complexity, and improves accuracy in automated control schemes when paired with PLCs or vision systems.
Buffer cushioning minimizes end-of-stroke impact, reducing shock loads and wear on end caps and rods. This leads to quieter operation, higher cycle stability at elevated speeds, and longer component life in high-velocity packaging or assembly applications.
The design uses low-friction seals and corrosion-resistant stainless steel parts to extend service intervals. Regular inspection of seals, lubrication, and port cleanliness maintains performance. Overall, this translates to lower maintenance costs, reduced downtime, and improved uptime across multiple shifts in production environments.