Norgren RM/91050/M/40 Pneumatic Cylinder - Magnetic piston
Part Number: RM/91050/M/40
Quick Summary
RM/91050/M/40 is a compact pneumatic cylinder for single-acting actuation in automation and pneumatics. Engineers often struggle with space constraints and short stroke options that wear quickly under high-cycle duty. Certification considerations for this class include CE compliance for European markets, IP-rated housings to withstand harsh environments, and SIL-compatible safety integration in suitable variants. This model’s durable design supports extended service in demanding applications. With a 50 mm bore, 40 mm stroke, G1/8 port, and a magnetic piston, it delivers reliable actuation in compact footprints, supporting cost-effective automation across packaging, assembly, and handling lines. Its fully non-corrodible specification further enhances long-term reliability in challenging production environments.
Product Information
Extended Description
RM/91050/M/40 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
G1/8
Cylinder diameter
50 mm
Stroke Length
40 mm
Operation
Single acting
Cushioning
No cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
1094 N
Materials - Barrel
Anodised aluminium alloy
Materials - Piston Rod
Stainless steel (martensitic)
Range
RM/91000/M
Brand
IMI Norgren
The RM/91050/M/40 delivers a notably compact form factor, with an overall length far shorter than many ISO/VDMA models. This space-saving design reduces machine footprint, simplifies enclosure layouts, and eases retrofits in tight cells. It’s ideal for high-density automation, packaging lines, and small robotic pick-and-place tasks where every millimeter counts. The unit ships with a standard magnetic piston for straightforward sensing and a robust, no-cushioning profile for clean, fast actuation. Low friction, long-life seals minimize wear and extend service intervals, lowering maintenance costs and reducing unplanned downtime. In high-cycle environments, consistent piston velocity and reliable response improve throughput and energy efficiency. The combination of durable seals and stainless components helps ensure predictable performance, better uptime, and simpler spare parts planning for OEMs and system integrators. Fully non-corrodible materials and finishes ensure robust performance in damp or dirty environments, translating to lower corrosion-related replacements and steadier operation in washdown zones. For OEMs pursuing lower total cost of ownership, the durability supports longer service intervals and easier maintenance scheduling, even in challenging food, beverage, or automotive assemblies. Magnetic piston enables simple, reliable position sensing with non-contact switches or sensors, reducing wiring complexity and enabling closed-loop control. This compatibility supports quick PLC integration while preserving compact dimensions. You can achieve robust detection without costly retrofits, simplifying diagnostics and improving fault visibility on fast-moving lines. Operating range covers −5 to 80 °C and 2 to 10 bar, with a G1/8 port for standard fittings, allowing flexible installation across diverse automation environments. The 50 mm bore and 40 mm stroke provide a rated theoretical force around 1094 N, delivering stable actuation for medium-load applications. The single-acting, no-cushioning design keeps response times snappy and maintenance simple.
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FAQs
RM/91050/M/40 uses standard pneumatic mounting conventions compatible with common ISO/VDMA brackets. When integrating, verify alignment with your machine frame or panel mounting, and ensure the G1/8 port position suits your valve manifold layout for minimal hose routing.
The cylinder operates from −5 to 80 °C (23 to 176 °F) and supports 2 to 10 bar (29 to 145 psi). This broad range supports diverse automation environments, from cool-room packaging lines to warm automotive assembly cells.
Yes. The magnetic piston enables easy, non-contact position sensing with proximity switches or sensors. This simplifies wiring and enables reliable feedback for PLCs and safety interlocks without added retrofits.
No internal cushioning is provided on RM/91050/M/40. If cushioning is required for your application, consider external damping solutions or a different stroke/velocity setting, and ensure your control system accounts for impact forces.
Best suited for high-density packaging, assembly, and pick-and-place tasks where a compact footprint and magnetic sensing simplify integration. Its 50 mm bore and 40 mm stroke deliver about 1094 N of theoretical force, supporting medium-load actuation with reliable repeatability in space-constrained lines.