IMI Norgren RM/91020/M/45 Pneumatic Cylinder - Magnetic
Part Number: RM/91020/M/45
Quick Summary
Pneumatic cylinder RM/91020/M/45 delivers compact linear actuation for automated manufacturing lines. In tight spaces, engineers need reliable, low-maintenance actuators that minimize downtime and simplify routine servicing. CE compliance and IP-rated variants are common in Norgren lines, while SIL-rated options appear in safety-critical processes; verify certification in the datasheet. The design combines a 20 mm bore, 45 mm stroke, and a magnetic piston to support sensor integration and precise end-stop positioning. With an anodised aluminium barrel and stainless steel rod, the unit delivers corrosion resistance, long life, and compatibility with standard pneumatic fittings for quick, low-risk installation. Compact footprint supports faster line changes and reduces overall capital expenditure.
Product Information
Extended Description
RM/91020/M/45 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
45 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: One third the basic length of ISO/VDMA cylinders. Business impact: The compact footprint frees valuable space on the machine, reduces enclosure size, and shortens installation time. Application: Ideal for high-density packaging lines, pick-and-place modules, and automation cells where space is at a premium. Feature: Low friction, long-life seal design. Business impact: Reduces wear and leakage, extending service intervals and lowering maintenance costs. Application: Suited to high-cycle pick-and-place, packaging lines, and automotive assembly where consistent stroke and reliability matter. Feature: Fully non-corrodible specification. Business impact: Enhances life in humid, washdown, or exposure-prone environments by resisting corrosion and maintaining performance. Application: Food & beverage, pharma, or outdoor installations where environmental resistance is critical. Feature: Standard magnetic piston for reliable sensing. Business impact: Enables non-contact position feedback and straightforward integration with PLCs or sensors. Application: Systems requiring stop positioning, interlocks, or line synchronization with magnetic switches. Feature: Durable materials—anodised aluminium barrel and stainless steel rod. Business impact: Combats wear in continuous operation, supports longer life cycles, and reduces replacement costs. Application: General automation, conveyors, and packaging lines where long life and consistency matter. Feature: Compatibility and simple installation with standard M5 porting and compact form factor. Business impact: Reduces engineering time, enables faster line changes, and supports plug-and-play sensor integration. Application: Retrofit projects, updated lines, and new equipment where quick commissioning is essential. Feature: 161 N theoretical force and reliable performance. Business impact: Applies consistent actuation across a range of loads, improving repeatability and cycle time. Application: Medium-load indexing, clamping, and dosing tasks across packaging and assembly lines. Feature: Reduced total cost of ownership with maintenance-friendly design. Business impact: Fewer spare parts, longer service intervals, and higher uptime. Application: Continuous production environments across manufacturing and packaging where uptime is money. Feature: Verified fit with common automation standards. Business impact: Reduces engineering risk and accelerates supplier qualification. Application: Retrofit and new-build projects across industries where standard interface compliance matters.
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FAQs
RM/91020/M/45 uses an M5 port and a 20 mm bore with a 45 mm stroke, designed for compact mounting patterns common to DIN/ISO standard cylinders. It accepts Norgren mounting brackets and end-caps for face or through-bolt configurations. For installation, verify hole spacing, align correctly, and ensure a clean, dry compressed air supply to avoid leaks and wear.
Operating pressure for this cylinder is 2 to 10 bar (29 to 145 psi), and operating temperature spans -5 to 80 °C (23 to 176 °F). The compressed air medium ensures immediate actuation with predictable force. This combination supports high-speed cycles in general automation while maintaining seal integrity and consistent stroke length.
While the cylinder features an anodised aluminium barrel and a stainless steel piston rod for corrosion resistance, its suitability for washdown depends on enclosure protection and exposure. No explicit IP rating is listed in the basic data; for aggressive environments, confirm with the supplier and consider protective housing or IP-rated variants. Moisture and chemical exposure should be minimized.
RM/91020/M/45 uses a magnetic piston, enabling straightforward position sensing with external magnetic switches or sensors. This feature supports non-contact feedback and easy integration with PLCs for repeatable stop positions and reliable interlocks. For higher-resolution feedback, pair with suitable magnetoresistive or Hall-effect sensors in your control system.
With low-friction seals and stainless steel rod, the device delivers long life and reduced maintenance, translating to lower spare parts usage and less downtime. Its compact footprint enables more machines per line, accelerating ROI. The theoretical force of 161 N provides reliable actuation for mid-range loads, while magnetic sensing simplifies integration with existing control architectures.