Norgren RM/91020/M/20 Pneumatic Cylinder - Magnetic Piston
Part Number: RM/91020/M/20
Quick Summary
Norgren RM/91020/M/20 is a compact single-acting pneumatic cylinder designed for precise linear actuation in small-footprint automation tasks. In space-constrained installations, engineers often struggle with fit, wear, and maintenance; this model’s reduced length and long-life seals help ease these challenges. Although the data doesn’t list specific certifications, the design emphasizes corrosion resistance and reliable sensing through a magnetic piston and non-corrodible components. The combination supports faster line changes, easier integration with sensors, and lower total cost of ownership. For teams standardizing on RM-series actuators, this cylinder offers predictable performance and straightforward compatibility across equipment and control systems.
Product Information
Extended Description
RM/91020/M/20 Norgren: One third the basic length of a corresponding ISO/VDMA model | Low friction, long life seal design | Fully non-corrodible specification | Standard magnetic piston
Medium
Compressed air
Operating Temperature
-5 ... 80 °C, 23 ... 176 °F
Operating Pressure
2 ... 10 bar, 29 ... 145 psi
Port Size
M5
Cylinder diameter
20 mm
Stroke Length
20 mm
Operation
Single acting
Cushioning
No cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
161 N
Materials - Barrel
Anodised aluminium alloy
Materials - Piston Rod
Stainless steel (austenitic)
Range
RM/91000/M
Brand
IMI Norgren
Feature: Ultra-compact length reduces machine footprint and enables higher actuator density in tight automation zones. Business Impact: frees valuable space, accelerates layout optimization, and lowers system cost per actuation point. Application: ideal for pick-and-place and precision positioning on compact packaging lines where every millimeter of space matters. Feature: 20 mm bore and 20 mm stroke with a theoretical force of 161 N provide reliable, repeatable travel for light-to-moderate loads. Business Impact: consistent actuation with minimal downtime, enabling faster cycle times and tighter tolerance control. Application: small-part transfer, clamping, and synchronized motions in assembly cells.Feature: Magnetic piston enables easy sensing and closed-loop integration. Business Impact: simplifies sensor wiring and improves feedback reliability, reducing debugging time during commissioning. Application: proximity sensor integration on RM-series control schemes in automated lines.Feature: Anodised aluminium barrel and stainless steel piston rod deliver corrosion resistance and long service life. Business Impact: lowers maintenance frequency and total cost of ownership in harsh or wash-down environments. Application: continual operation in demanding industrial settings with low friction wear.Feature: M5 port, operating pressure 2–10 bar, and temperature range -5 to 80 °C ensure compatibility with standard compressed-air systems. Business Impact: broad installation flexibility, easier procurement, and fewer custom modifications. Application: universal applicability across manufacturing cells and OEM equipment while maintaining performance stability.Feature: No cushioning keeps the design lean for faster cycle times, though customers should account for potential shock without external cushioning. Business Impact: reduces component count and potential leakage points while delivering quicker actuation. Application: high-speed pick-and-place where controlled mounting and speed tuning mitigate impact.
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FAQs
Installers should ensure secure, vibration-friendly mounting using standard brackets compatible with a 20 mm bore cylinder. Use clean, dry compressed air within 2–10 bar and verify proper alignment to avoid side loads. Proximity sensor placement is straightforward thanks to the magnetic piston, and sensor cables should be kept clear of moving parts to prevent wear.
The RM/91020/M/20 operates from 2 to 10 bar and performs across -5 to 80 °C (23 to 176 °F). This range supports general automation environments and standard factory air systems, while the stainless rod and coated barrel help maintain performance under thermal cycling and exposure to typical workshop contaminants.
Yes. The cylinder uses a magnetic piston, which is ideal for sensing with standard proximity switches. This enables straightforward feedback loops in PLCs or embedded controllers, reducing wiring complexity and improving reliability of position confirmation during automated sequences.
Yes, thanks to the long-life seal design and corrosion-resistant components. The compact form factor supports dense layouts, and the magnetic piston aids in reliable sensing for high-cycle operations. For ultra-high-speed cycles, ensure appropriate mechanical stops and avoid excessive shock by controlling actuation speed if needed.
With a 20 mm bore and 20 mm stroke, the theoretical force is 161 N, adequate for light-to-moderate actuations. Real-world performance depends on supply pressure and mechanical configuration. Plan for consistent supply at 2–10 bar and verify that your loads stay within the actuator’s travel and mounting limits for repeatable cycles.