Norgren RM/950/M/300 Tie Rod Cylinder - Magnetic
Part Number: RM/950/M/300
Quick Summary
The Norgren RM/950/M/300 is a tie rod double-acting pneumatic cylinder designed for high-load linear actuation in automation applications. This model supports demanding tasks such as clamping, pressing, and transfer in manufacturing lines, delivering consistent force across long cycles. A common pain point is undersized actuators that cause slower cycles and increased maintenance; RM/950/M/300 mitigates that with a robust 5" bore and 300 mm stroke. CE-compliant design principles and magnetic sensing options help integrate into safety and automation systems, with optional IP-rated configurations and SIL-ready safety interfaces. By combining rugged construction with flexible mounting and service support, it delivers reliable performance and lower total cost of ownership for standard and harsh environments.
Product Information
Extended Description
RM/950/M/300 Norgren: Large range of bore sizes – ideal for a wide variety of industrial applications | Long established design – proven ruggedness and reliability | Extensive choice of mountings | Adjustable cushioning
Medium
Compressed air
Operating Temperature
-20 ... 80 °C, -4 ... 176 °F
Operating Pressure
2 ... 10 bar, 29 ... 145 psi
Port Size
G1/2
Cylinder diameter
5"
Stroke Length
300 mm
Operation
Double acting
Cushioning
Adjustable cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
7600 N
Materials - Barrel
Anodised aluminium
Materials - Piston Rod
Stainless steel (martensitic)
Range
RM/900
Series
Martonair
Brand
IMI Norgren
QM/950/00
Service kits for RM/900, 5"
Feature: Large bore and long stroke provide high theoretical force (7600 N) for demanding clamping and positioning. Business Impact: Improves cycle reliability and reduces unplanned downtime in metalworking and material handling. Application: Suitable for heavy-lift tasks and high-load positioning in automotive and packaging lines. Feature: Double-acting operation enables bidirectional actuation from a single unit. Business Impact: Increases cycle speed and reduces component counts, lowering system complexity. Application: Ideal for push/pull sequencing in automated assemblies. Feature: Adjustable cushioning smooths starts and stops. Business Impact: Protects workpieces and extending cylinder life while reducing vibration-induced wear. Application: Critical in precision assembly and sub-massembly stations. Feature: Magnetic piston and magnetic sensing capability enable easy integration with sensors. Business Impact: Simplifies machine feedback loops and improves position detectability without additional hardware. Application: Widely used in pick-and-place and position-critical applications. Feature: Anodised aluminium barrel and martensitic stainless steel rod deliver rugged longevity. Business Impact: Delivers corrosion resistance and long service intervals, lowering maintenance costs. Application: Harsh factory floors and washdown environments when paired with appropriate seals. Feature: Extensive mounting options and compatible service kits (QM/950/00). Business Impact: Reduces installation time and ensures hold-in-place reliability across robotic cells. Application: Quick retrofits and scalable automation across existing lines.
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FAQs
Installation is straightforward with the RM/950/M/300 due to its extensive mounting options designed for Martonair series cylinders. Begin by selecting compatible end brackets, clevis or flange mounts, and verify porting alignment to G1/2. Use the service kit QM/950/00 for routine maintenance and to ensure cushion adjustments are set for your load profile. Confirm clearance and proper pilot actuation wiring if sensors are used for position feedback.
This cylinder provides a theoretical force of 7600 N at standard operating conditions. It is designed for compressed air at 2 to 10 bar (29 to 145 psi). For peak loads, ensure supply pressure remains within this range and consider cushioning adjustments to manage dynamic loads. Always reference the datasheet to confirm performance for your specific mounting and load configuration.
Yes, its double-acting configuration and 5" bore support high-force actuation suitable for rapid, repeatable movements. The adjustable cushioning helps protect delicate components during deceleration, and the magnetic piston enables clean sensor feedback in automated lines. For high-speed sequences, ensure your air supply is conditioned and that mounting hardware minimizes friction and parasitic loads.
Key certifications to consider include CE for European market compliance and IP-related options for environmental protection, along with SIL-ready interfaces for safety integration. While the base unit emphasizes rugged construction and standard industry interfaces, verify the exact certification status and IP/rating variant in the datasheet or with your supplier to match regulatory requirements for your application and plant standards.
Maintenance focuses on regular lubrication checks, seal inspections, and cushion calibration using the QM/950/00 service kit. The modular design and magnetic sensing reduce downtime for troubleshooting and enable simpler fault diagnostics. Over time, the durable anodised barrel and stainless rod lower replacement frequency, improving total cost of ownership in high-cycle environments.