Norgren RT/57225/M/250 Roundline Cylinder - Magnetic Piston
Part Number: RT/57225/M/250
Quick Summary
Norgren RT/57225/M/250 Roundline cylinder provides compact pneumatic actuation for automated manufacturing lines. In space-constrained panels, bulky cylinders challenge alignment, routing, and cycle reliability. Typical certifications for industrial pneumatics include CE compliance, SIL safety considerations, and robust IP-rated variants for harsh environments. With a 25 mm bore, 250 mm stroke and magnetic piston, this actuator supports precise control and easy integration, delivering lower total cost of ownership. By combining space savings, long-life seals, and versatile mounting options, it aligns with modern factory automation goals and scalable line upgrades.
Product Information
Extended Description
RT/57225/M/250 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
250 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)
Range
RT/57200/M
Series
Roundline
Brand
IMI Norgren
C0TA00618
Pneufit C Push-in fitting, Banjo flow control, Out, 6mm, R1/8
C01250618
Pneufit C Push-in fitting, Adaptor, Straight, External/Internal hex, 6mm, R1/8
C01470618
Pneufit C Push-in fitting, Adaptor, 90° Swivel elbow, 6mm, R1/8
QM/8025/32
UF - Universal Piston Rod Mounting 25mm bore
QM/57025/25
F - Piston Rod Clevis Mounting 25mm bore
QM/8025/38
AK - Piston Rod Swivel Mounting 25mm/32mm bore
M/P1501/89
Nut style N2
M/P13607
Nose nut style N
M/P40381
Foot mounting style C, 25mm bore
QM/33/025/22
Switch mounting brackets, 25mm bore
M/50/LSU/5V
M/50 magnetically operated reed switch, 5m cable
PA2-0006100
Polyamide tube, Natural, 100m, 6mm/4mm
PA2-0006025C
Polyamide tube, Natural, 25m, 6mm/4mm
M/3314
Tube cutter
Feature: Roundline 25 mm bore with 250 mm stroke is designed to save space and reduce enclosure length. Business Impact: Frees panel real estate and reduces machine footprint, enabling tighter layouts and simpler cable management. Application: Ideal for compact pick-and-place and linear actuation in automated assembly lines. Feature: Low friction, long-life seals. Business Impact: Extends service intervals and lowers maintenance costs while maintaining consistent performance under cycling. Application: High-cycle production environments where uptime matters. Feature: Standard magnetic piston. Business Impact: Enables straightforward integration with sensing and control systems, supporting quick switch mounting and reliable position feedback. Application: Process monitoring and PLC-based control in packaging and handling equipment. Feature: Stainless steel barrel and piston rod. Business Impact: Improves corrosion resistance and longevity in challenging environments, reducing replacement frequency. Application: Food, beverage, and harsh manufacturing settings requiring robust materials. Feature: Buffer cushioning. Business Impact: Dampens impact, minimizes vibrations, and protects downstream equipment during rapid indexing. Application: High-speed indexing and material transfer in automotive and consumer electronics lines. Feature: Mounting and fittings compatibility (QM mounting options; Rc1/8 port; Pneufit C fittings). Business Impact: Eases installation, reduces lead times, and simplifies retrofits with existing pneumatic systems. Application: Retrofit projects and new lines that demand flexible mounting and leak-free connections.
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FAQs
Install using the compatible QM universal piston rod mounting (QM/8025/32) or the clevis/swivel options (QM/57025/25, QM/8025/38) to achieve proper alignment. Ensure the port is Rc1/8, verify mounting orientation, and secure fittings with Pneufit C components for a leak-free connection. This setup supports easy retrofit into existing 25 mm bore systems.
The cylinder provides a theoretical 294 N of force. Real-world force depends on operating pressure within the 1 to 10 bar range and load on the piston rod. At higher pressures and with appropriate mounting, you can achieve near-maximum force for indexing and clamping tasks while considering friction, cushioning, and stick-slip factors.
Yes. The Roundline design offers up to 20% space savings compared with equivalent ISO/VDMA lengths, enabling compact actuation in tight enclosures and overhead layouts. The 25 mm bore with a 250 mm stroke provides substantial travel while preserving a small footprint, beneficial for compact automation cells.
Mounting options include UF universal piston rod mounting (QM/8025/32), piston rod clevis mounting (QM/57025/25), and swivel mounting (QM/8025/38). Accessories like Pneufit C push-in fittings (6 mm to 8 mm) and 25 mm bore switch brackets (QM/33/025/22) support reliable installation and easy integration with sensors and control valves.
The cylinder uses a stainless steel barrel and piston rod for corrosion resistance, buffer cushioning to reduce impact, and a magnetic piston for easy sensing and control integration. Operating in -10 to 80 °C and 1 to 10 bar compressed air, it minimizes wear and supports long service intervals in demanding manufacturing environments.