Norgren RM/91040/M/5 Pneumatic Cylinder - Magnetic Piston
Part Number: RM/91040/M/5
Quick Summary
RM/91040/M/5 is a compact pneumatic cylinder used for precise single-acting actuation in automation and manufacturing lines. In constrained spaces, engineers often struggle to balance footprint with available stroke and durability; this model addresses that by delivering 687 N of force in a 40 mm bore while maintaining a minimal overall length. Designed with a magnetic piston, anodised aluminium barrel, and a stainless steel piston rod, it supports rugged, long-life operation. This actuator aligns with common CE safety standards and industry durability expectations, and many applications also consider IP ratings for harsh environments. The combination of compact size with high reliability makes it a practical solution for high-speed pick-and-place, clamping, and other automated tasks.
Product Information
Extended Description
RM/91040/M/5 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
40 mm
Stroke Length
5 mm
Operation
Single acting
Cushioning
No cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
687 N
Materials - Barrel
Anodised aluminium alloy
Materials - Piston Rod
Stainless steel (austenitic)
Range
RM/91000/M
Brand
IMI Norgren
Feature: 40 mm bore with a 5 mm stroke provides a compact footprint while maintaining predictable travel; Business Impact: Enables installation in tight machine frames without compromising actuation force; Application: Suitable for compact conveyor lines and small fixtures where space is at a premium. Feature: Single acting design with no cushioning simplifies the pneumatic circuit and reduces maintenance cycles; Business Impact: Lower total cost of ownership and faster cycle times due to straightforward actuation; Application: Basic pick-and-place and release actions in assembly cells. Feature: Magnetic piston allows restricted-position sensing and easier integration with control systems; Business Impact: Improves feedback accuracy and reduces misalignment or timing errors in automation sequences; Application: PLC or sensor-based control in inline equipment. Feature: Anodised aluminium barrel and stainless steel piston rod deliver corrosion resistance and longevity; Business Impact: Extends service life in harsh environments and lowers replacement costs; Application: Washdown or outdoor installations where ingress protection is a consideration. Feature: Port size G1/8 and operating range 2–10 bar ensure compatibility with standard pneumatic systems; Business Impact: Smooth integration with existing plant air supplies and reduced adapter requirements; Application: General automation lines and modules using common air standards. Feature: Theoretical force of 687 N ensures reliable actuation for moderate loads; Business Impact: Confident performance for clamping, pushing, or positioning tasks without oversizing hardware; Application: Medium-duty automation fixtures and fixtures requiring precise push motion.
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FAQs
When installing RM/91040/M/5, ensure a secure mounting to compatible bracket patterns and verify the G1/8 port alignment with your pneumatic manifold. The unit’s compact form factor suits tight enclosures, but allow space for maintenance clearance and unobstructed rod travel. Use standard mounting hardware and verify tightness per OEM guidelines to avoid misalignment during high-speed cycles.
Expect a theoretical force up to 687 N at the rated operating pressure range of 2 to 10 bar. The 40 mm bore and 5 mm stroke provide precise actuation with a simple single-acting design and no cushioning, which translates to reliable, repeatable motion for straightforward push/pull tasks in automation lines.
Yes, its 40 mm bore with a 5 mm stroke delivers a compact footprint ideal for confined spaces. The absence of cushioning reduces hydraulic-like lag, supporting faster response times. For high-speed cycles, ensure your supply pressure remains within 2–10 bar and that your control system can handle the magnetic piston feedback for accurate positioning.
The barrel is made from anodised aluminium, and the piston rod is stainless steel (austenitic). These materials provide robust corrosion resistance and long service life in challenging environments, contributing to lower maintenance intervals and reduced downtime in continuous operation facilities.
With a G1/8 port and a 2–10 bar operating range, the cylinder is compatible with standard plant air supplies and typical pneumatic circuits. This compatibility minimizes the need for custom fittings, simplifies installation, and supports straightforward integration into existing automation layouts and control logic.