Norgren RM/92050/JM/20 Cyl - Magnetic Piston
Part Number: RM/92050/JM/20
Quick Summary
Norgren RM/92050/JM/20 is a compact pneumatic cylinder for precise linear actuation in automation systems. Space constraints and wear-prone short-stroke cylinders are common pains, but this model trims length without sacrificing force. Key certifications to confirm in the datasheet include CE marking, IP-rated variants for hostile environments, and SIL-ready integration for safety-critical systems. Built for reliable performance, it uses low-friction seals, a non-corrodible body, and a magnetic piston that enables versatile control architectures. Its compatibility with standard pneumatic controls and the RM/92000/M range supports scalable automation, while reducing maintenance and total cost of ownership.
Product Information
Extended Description
RM/92050/JM/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 for full control system versatility
Medium
Compressed air
Operating Temperature
-5 ... 80 °C, 23 ... 176 °F
Operating Pressure
1 ... 10 bar, 14 ... 145 psi
Port Size
G1/8
Cylinder diameter
50 mm
Stroke Length
20 mm
Operation
Double acting
Cushioning
No cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
1178 N
Materials - Barrel
Anodised aluminium alloy
Materials - Piston Rod
Stainless steel (martensitic)
Range
RM/92000/M
Brand
IMI Norgren
Feature – 50 mm bore with a 20 mm stroke delivers one-third the length of a comparable ISO/VDMA cylinder, enabling more compact machinery. Business Impact – This reduction in envelope translates to smaller panels, easier routing of pneumatic lines, and lower overall capital and installation costs. Application – Ideal for tight-spot pick-and-place, fixture actuation, and compact automation in electronics, medical devices, and consumer-packaging lines. Feature – Low-friction, long-life seal design minimizes stick-slip and heat generation. Business Impact – Extends service intervals, reduces maintenance interventions, and improves energy efficiency on high-cycle machines. Application – Well-suited for continuous operation lines, conveyors, and indexing equipment where uptime and predictable wear patterns matter. Feature – Fully non-corrodible construction with an anodised aluminium barrel and martensitic stainless steel piston rod. Business Impact – Delivers robust performance in wash-down, humid, and dusty environments, lowering the risk of corrosion-related leaks and downtime. Application – Food & beverage, pharmaceutical packaging, and outdoor machinery where exposure to moisture or cleaning agents is common. Feature – Magnetic piston enables full control-system versatility and direct feedback capability. Business Impact – Supports reliable position sensing, easier integration with sensors and PLCs, and faster commissioning of automation tasks. Application – Feedback-enabled control loops in automated assembly lines, robotic end-effectors, and precision alignment stages. Feature – G1/8 port and 1–10 bar operating pressure cover standard pneumatic supply ranges. Business Impact – Allows straightforward compatibility with common regulators, air hoses, and safety devices, cutting installation time and inventory complexity. Application – General-purpose actuation across compact machines, packaging lines, fixture systems, and laboratory automation setups. Feature – No cushioning. Business Impact – Enables faster response, sharper return-to-base, and improved repeatability at high speeds. Application – High-speed pick-and-place, packaging verification, and precision alignment tasks in tight-space automation.
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FAQs
When installing the RM/92050/JM/20, ensure proper mounting orientation to align with your fixture and actuator travel. Use compatible G1/8 connectors and regulators, verify air supply pressure (1–10 bar), and plan for space for the magnetic piston sensor if feedback is required. A bracketed, level mounting surface minimizes side loads and extends seal life.
The cylinder delivers 1178 N theoretical force with a 50 mm bore and 20 mm stroke, and benefits from low-friction seals for extended service intervals. In high-cycle automation, expect consistent repeatability, reduced energy consumption due to efficient sealing, and reliable actuation in demanding pick-and-place or indexing tasks.
Yes, the design uses a non-corrodible barrel and martensitic stainless steel piston rod, which improves resistance to moisture and cleaning agents. While the materials support tougher environments, confirm the exact IP rating and wash-down suitability with the datasheet configuration used in your plant and ensure proper sealing options remain consistent with your regulatory needs.
The magnetic piston enables direct feedback for position sensing, facilitating accurate control loops with standard sensors and PLCs. This simplifies commissioning, improves repeatability, and reduces the need for external sensors on many automation tasks, making it easier to achieve reliable closed-loop control in automated assembly lines.
Regularly inspect the seals for wear in high-cycle use, keep the port and fittings clean to prevent contamination, and verify the operating pressure remains within 1–10 bar. Use clean, dry compressed air and schedule periodic lubrication per the distributor’s guidance to sustain performance and minimize the risk of leaks or stick-slip.