Norgren RM/91040/M/40 Pneumatic Cylinder - Magnetic Piston
Part Number: RM/91040/M/40
Quick Summary
Pneumatic cylinder RM/91040/M/40 provides compact, single-acting actuation for automated handling tasks. In space-constrained lines, long-lead components and wear-prone parts slow cycles; this model saves space with a short, robust design and a magnetic piston for reliable sensing. The datasheet confirms durable materials and magnetic, non-corrodible construction, with operating range 2-10 bar and a 40 mm bore; verify any regional CE/SIL/IP requirements via the datasheet. For OEMs seeking repeatable performance in assembly and packaging, the RM/91040/M/40 offers low-friction seals and easy sensor integration, delivering consistent actuation with minimal maintenance.
Product Information
Extended Description
RM/91040/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
40 mm
Stroke Length
40 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: Magnetic piston enables precise, repeatable sensing without external components. Benefit: Improves position feedback and reduces wiring complexity, boosting cycle accuracy in automation and robotics applications. Application: sensor-ready actuators on pick-and-place lines and transfer units. Feature: 40 mm bore and 40 mm stroke provide a compact footprint with a balanced force profile. Benefit: Maximizes machine density while delivering reliable force within tight spaces, supporting compact automation cells and small-format robots. Application: tight-tolerance material handling and packaging lines. Feature: One-third the basic length versus a typical ISO/VDMA model. Benefit: Space savings translate to shorter machine frames and easier integration into existing enclosures, reducing enclosure footprint and installation costs. Application: retrofits and OEM line upgrades where footprint is critical. Feature: Anodised aluminium barrel and stainless steel piston rod offer corrosion resistance and durability. Benefit: Longer service life in harsh environments, lower maintenance, and fewer unexpected downtimes. Application: humid or dusty production lines and outdoor enclosures. Feature: Operating pressure range of 2–10 bar with G1/8 port size. Benefit: Compatibility with standard plant air systems and valves, simplifying installation and valve selection. Application: general automation and conveyor systems with common pneumatic hardware. Feature: No cushioning is specified, which supports higher-speed actuation, but requires careful control. Benefit: Higher cycle rates when speed is managed through system controls; avoids unnecessary cushioning maintenance. Application: fast indexing in automated assembly with proper speed profiling. Feature: Theoretical force of 687 N provides a strong actuation profile for mid-load tasks. Benefit: Ensures reliable push/pull strokes in standard handling and clamping applications, improving throughput. Application: clamping fixtures and push-off operations in packaging lines. Feature: Magnetic version aids straightforward sensing and integration with presence-detection systems. Benefit: Simplifies automation wiring and improves end-of-stroke signaling for PLC or safety circuits. Application: machine safety interlocks and inline measurement setups.
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FAQs
Yes. The cylinder uses a G1/8 port and a 40 mm bore, aligning with common pneumatic manifolds and mounting patterns. For reliable integration, ensure proper alignment of the magnetic piston with sensors and verify the mounting hole spacing matches your frame. Consider adding external cushioning if your cycle profile demands gentler deceleration.
Key specs include a 40 mm bore, 40 mm stroke, operating pressure range of 2–10 bar, and a theoretical actuation force of 687 N. The medium is compressed air, and the piston is magnetic with an anodised aluminium barrel and stainless steel rod, enabling robust, repeatable performance in automation tasks.
The cylinder is single-acting with no built-in cushioning, which favors higher speeds when speed is precisely controlled by the system. For rapid indexing, pair it with appropriate flow control and, if needed, external cushioning or end-of-stroke velocity management to minimize impact and wear.
The provided data does not list explicit CE, SIL, or IP ratings. Please consult the official datasheet or contact Norgren directly to confirm regional certifications and ensure compliance for your application and location.
The design uses a non-corrodible, long-life seal system, an anodised barrel, and a stainless steel rod, which together reduce corrosion-related wear and maintenance. The magnetic piston also simplifies sensor integration, potentially lowering wiring and diagnostics time, improving overall uptime and return on investment.