Norgren RT/57250/M/100 Roundline Cylinder - 1178 N
Part Number: RT/57250/M/100
Quick Summary
Norgren RT/57250/M/100 Roundline cylinder is a compact double-acting pneumatic actuator designed for space-saving motion control in automated assembly lines. Many engineers struggle with bulky cylinders that waste space and complicate installation, maintenance, and line balancing. Certification details are not provided in this data; please consult the official datasheet to confirm CE, SIL, or IP ratings for your region. This compact actuator combines magnetic piston, stainless-steel construction, and a proven sealing system to deliver reliable performance with minimal downtime, while supporting scalable automation with standard mounting options and versatile fluid-system compatibility. With a 50 mm bore and 100 mm stroke, it aligns with common plant air systems and helps reduce cycle times, maintenance costs, and system footprint.
Product Information
Extended Description
RT/57250/M/100 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
100 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)
Dimensions - Height
52.5 mm
Dimensions - Length
219 mm
Dimensions - Width
52.5 mm
Weight
0.7 kg
Country of Origin
Czechia
Range
RT/57200/M
Series
Roundline
Brand
IMI Norgren
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Feature: Compact space-saving design reduces overall footprint by approximately 20% compared to basic ISO/VDMA lengths. Business Impact: Enables denser layouts, higher machine throughput, and easier integration in tight conveyors or pick-and-place cells. Application: Packaging lines and robotic transfer stages where space is at a premium. Feature: Low-friction, long-life seals minimize wear and maintenance interventions. Business Impact: Extends service intervals, lowers spares usage, and reduces total cost of ownership. Application: High-cycle applications like filling, capping, and sorting with frequent actuation. Feature: High-strength double crimped end caps enhance mechanical integrity under repeated cycling. Business Impact: Improves reliability in rugged environments, reducing unplanned downtime. Application: Heavy-duty assembly fixtures and transfer devices. Feature: Standard magnetic piston enables full control-system versatility and straightforward sensing. Business Impact: Simplifies integration with position sensing for closed-loop control. Application: Inline monitoring and programmable logic controller (PLC) integration. Feature: Stainless steel barrel and martensitic piston rod deliver corrosion resistance for humid or washdown-friendly environments. Business Impact: Increases longevity in challenging plant conditions, lowering replacement costs. Application: Food & beverage, pharmaceutical, and outdoor automation. Feature: Broad mounting and fitting options (AK, Clevis, Trunnion, Foot, Nut Style N, UF) plus Pneufit C fittings and tubing. Business Impact: Accelerates installation, reduces engineering time, and improves retrofit flexibility. Application: Retrofit projects or multi-axis automation with varied mounting needs.
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FAQs
RT/57250/M/100 Roundline supports multiple mounting options listed in the spec set, including AK Piston Rod Swivel (QM/8040/38), Piston Rod Clevis (QM/57040/25), Trunnion (QM/55240/28), Foot (QM/57050/21), and UF Universal Mounts (QM/8040/32). For quickest retrofits, verify bore compatibility and mounting pattern vs your fixture and select the corresponding mounting accessory. This flexibility minimizes rework and accelerates installation in legacy systems.
Key performance specs include a 50 mm cylinder diameter, 100 mm stroke, 1–10 bar operating pressure (15–145 psi), Rc1/4 port size, and a theoretical force of 1178 N. The cylinder operates with a magnetic piston and buffer cushioning to manage impact. Design for high-cycle environments by ensuring your compressed-air supply maintains stable pressure within this range.
Yes, the unit uses stainless steel for the barrel and piston's martensitic rod, providing corrosion resistance in humid or challenging environments. Temperature tolerance ranges from -10 to 80 °C (14 to 176 °F). While not listing IP ratings in the data, these materials and coatings support reliable operation in many demanding industrial settings; confirm your specific cleanliness and protection requirements via the datasheet.
The cylinder can be equipped with a magnetically operated reed switch (M/50/LSU/5V) with a 5 m cable for inline position sensing. Switch mounting brackets (QM/33/050/22) simplify installation. This setup enables straightforward feedback to PLCs or motion controllers, reducing commissioning time and enabling reliable closed-loop control in automated tasks.
The Roundline design saves space (approx. 20% shorter than ISO/VDMA basics), reduces maintenance due to low-friction seals, and provides durable stainless steel construction. These factors translate to higher machine uptime, lower retrofit and spare-part costs, and quicker line changes—yielding faster payback in high-volume packaging, sorting, and assembly lines.