Norgren RM/950/400 Pneumatic Cylinder - Large 5-inch Bore
Part Number: RM/950/400
Quick Summary
Norgren RM/950/400 pneumatic cylinder is designed to deliver reliable linear actuation for heavy-duty automation and material handling. Operators often struggle with shock loads, misalignment, and wear at end-of-stroke, and adjustable cushioning helps mitigate these issues. While specific certifications are not listed here, RM/900 family products typically support CE compliance and robust duty cycles; verify regulatory status for your region. The model also offers mounting versatility and a rugged build that aligns with high-cycle manufacturing environments, enabling operators to achieve consistent performance with lower maintenance. This combination of strength, cushioning adjustability, and standard mounting options supports predictable uptime, simplifies procurement, and reduces total cost of ownership in demanding production lines.
Product Information
Extended Description
RM/950/400 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
400 mm
Operation
Double acting
Cushioning
Adjustable cushioning
Magnetic/Non-magnetic
Non-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: 5-inch cylinder bore and 400 mm stroke provide substantial force and stroke reach for varied actuations → Business Impact: enables handling larger parts and longer travel without upsizing components, reducing system complexity → Application: material handling, clamping, and positioning on automated assembly lines. Feature: Double acting operation with adjustable cushioning offers controlled retraction and extension → Business Impact: minimizes shock loads, extends component life, and improves cycle repeatability → Application: push, pull, and clamp tasks in robotic cells and conveyors. Feature: G1/2 port size and standard mounting compatibility promote quick integration → Business Impact: reduces installation time and stock of fittings, enabling faster deployment → Application: retrofits and new lines using widely available pneumatic fittings. Feature: Non-magnetic construction and anodised aluminium barrel with stainless steel rod → Business Impact: enhanced corrosion resistance and reduced magnetic interference in precision environments → Application: packaging, electronics assembly, and conveyors with nearby sensors. Feature: High theoretical force of 7600 N and robust Martonair series design → Business Impact: confidence in handling high-load cycles with consistent performance → Application: clamping, pressing, and actuation in heavy industry. Feature: Range RM/900 and service kit QM/950/00 support → Business Impact: streamlined part sourcing and maintenance, lowering downtime → Application: lifecycle management in mid to large-scale automation projects.
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FAQs
The RM/950/400 uses a standard G1/2 port, enabling quick connection to common pneumatic hoses and fittings. Plan for alignment with existing mounting brackets, verify port to actuator alignment, and use compatible fasteners to maintain seal integrity during high-cycle operations. The 5-inch bore offers substantial force, so ensure mounting supports are rated for the expected loads.
Operating temperature is specified from -20 to 80 °C (-4 to 176 °F), and operating pressure ranges from 2 to 10 bar (29 to 145 psi). This enables use across diverse industrial environments while maintaining consistent actuation performance and cushioning effectiveness.
Yes. With a 5-inch bore and a theoretical force of 7600 N, this cylinder delivers strong linear actuation suitable for high-load clamping, pushing, or pulling tasks. The adjustable cushioning also helps manage impact at end-of-stroke, protecting machinery and tooling.
Service is supported by the QM/950/00 kit for RM/900 series cylinders, ensuring parts and guidance are available for routine maintenance and wear-part replacement. This promotes longer life and consistent performance across the RM/900 family.
The RM/950/400 offers extensive mounting options and compatibility with standard pneumatic fittings, simplifying integration into existing lines. The non-magnetic construction, anodised barrel, and stainless piston rod improve longevity and sensor compatibility in automated systems.