Norgren RT/57240/MF/25 Roundline Cylinder - Magnetic Piston
Part Number: RT/57240/MF/25
Quick Summary
Norgren RT/57240/MF/25 Roundline cylinder is a compact, double-acting pneumatic actuator designed for precise linear motion in automated assembly and packaging lines. In tight installations, traditional cylinders waste space and complicate sensor integration, increasing cycle times and maintenance. Designed with CE conformity and compatibility for European markets, this unit also features a magnetic piston for easy end-of-stroke sensing and robust stainless steel components for harsh environments. With low-friction seals and buffer cushioning, it delivers reliable performance while reducing downtime and service costs, enabling more predictable throughput in modern fluid and automation systems. This makes it a strong fit for compact automation, pick-and-place, and high-cycle manufacturing applications.
Product Information
Extended Description
RT/57240/MF/25 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
40 mm
Stroke Length
25 mm
Operation
Double acting
Cushioning
Buffer cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
754 N
Materials - Barrel
Stainless steel (austenitic)
Materials - Piston Rod
Stainless steel (martensitic)
Range
RT/57200/M
Series
Roundline
Brand
IMI Norgren
Feature → Business Impact → Application: The 40 mm bore and 25 mm stroke deliver higher force in a compact package, reducing the need for larger cylinders and enabling stable, repeatable motion in tight automation spaces. Benefit: Improved cycle reliability and footprint reduction in packaging lines and small-assembly cells. Application: Use in inline pick-and-place and dimpling stations where space is at a premium and repeatability matters. Feature → Business Impact → Application: Buffer cushioning minimizes impact force and noise, extending seal life and reducing vibration-induced wear. Benefit: Lower maintenance costs and longer service intervals in high-speed cycling environments. Application: Conveyor feeders and high-speed transfer modules where smooth deceleration preserves parts and tooling. Feature → Business Impact → Application: Magnetic piston enables straightforward sensor feedback and end-of-stroke detection with standard control hardware. Benefit: Simplified wiring, faster commissioning, and improved process visibility. Application: Sensing-based control loops in robotic pick-and-place and palletizing lines. Feature → Business Impact → Application: Stainless steel (austenitic) barrel and martensitic piston rod resist corrosion and wear in challenging environments. Benefit: Longer life in washdown-ready or damp industrial settings, reducing replacement cycles. Application: Food and beverage packaging lines and general purpose automation exposed to moisture. Feature → Business Impact → Application: Rc1/8 port sizing and a 1–10 bar operating pressure range provide broad compatibility with common pneumatic systems. Benefit: Easy integration with existing supply lines and standardized components. Application: Retrofit projects and new lines where standard pneumatic interfaces are required. Feature → Business Impact → Application: The Roundline design saves up to 20% space versus basic ISO/VDMA cylinders, enabling denser layouts. Benefit: Higher machine density without sacrificing performance. Application: Compact automation cells, automated assembly stations, and small-bore machinery where footprint matters.
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FAQs
Use the standard mounting features of the Roundline series and connect via Rc1/8 porting. Ensure proper end-cap orientation for double-acting operation, align with sensor feedback points enabled by the magnetic piston, and verify bore and stroke match your application. Check enclosure protection and mounting clearances to avoid binding during actuation.
The cylinder is rated for an operating pressure of 1 to 10 bar (15 to 145 psi) and operates from -10 to 80 °C (14 to 176 °F). This makes it suitable for standard pneumatic systems and many harsh manufacturing environments, especially when combined with corrosion-resistant stainless steel components.
Yes. The double-acting design, buffer cushioning, and low-friction seals support high-cycle operation with reduced impact on parts. The magnetic piston provides reliable end-of-stroke sensing for precise cycle control, helping maintain throughput while minimizing wear on seals and rod surfaces.
Key differentiators include a 40 mm bore with a 25 mm stroke in a compact Roundline format, magnetic piston for sensor integration, and stainless steel barrel and rod for corrosion resistance. Additionally, it offers up to 20% space savings over equivalent ISO lengths, improving machine density and footprint efficiency.
The magnetic piston supports standard sensor feedback methods, enabling easy end-of-stroke detection with common proximity sensors or magnetic switches. Plan sensor placement on the cylinder body per your control architecture, and verify the control logic is configured for the magnetic switch outputs to ensure reliable position feedback.