Norgren RM/980/500 Tie Rod Cylinder - 8in Bore
Part Number: RM/980/500
Quick Summary
Norgren RM/980/500 is a tie rod double acting pneumatic cylinder used for high-force linear actuation in manufacturing and automation environments. In real-world plants, reliability and predictable cushioning are critical to maintain uptime and avoid damaged components during heavy cycles. While certification specifics can vary by installation, this model aligns with common CE readiness and safety practices for industrial pneumatic actuators, supporting robust performance in regulated environments. With an 8" bore and 500 mm stroke, and features such as adjustable cushioning, it delivers strong performance while enabling flexible mounting and straightforward maintenance, translating to improved throughput and reduced maintenance costs. This combination of power, adaptability, and serviceability makes RM/980/500 a versatile choice for heavy-duty automation tasks.
Product Information
Extended Description
RM/980/500 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
G3/4
Cylinder diameter
8"
Stroke Length
500 mm
Operation
Double acting
Cushioning
Adjustable cushioning
Magnetic/Non-magnetic
Non-magnetic
Theoretical Force
19417 N
Materials - Barrel
Anodised aluminium
Materials - Piston Rod
Stainless steel (martensitic)
Range
RM/900
Series
Martonair
Brand
IMI Norgren
QM/980/00
Service kits for RM/900, 8"
Feature → Business Impact → Application: The RM/980/500’s 8 inch bore delivers high theoretical force (19,417 N), enabling reliable handling of demanding loads in stamping, forming, and press operations, reducing cycle times and improving overall line throughput in metalworking. This translates to tangible productivity gains for high-load applications where precision and repeatability are essential. Feature → Business Impact → Application: Tie-rod construction provides rigid alignment and durable mounting options, enhancing stroke accuracy and lifecycle in conveyor transfers, robotic pick-and-place cells, and machine tending, while simplifying retrofit and integration with existing frames. Feature → Business Impact → Application: Adjustable cushioning minimizes impact at end-of-stroke, protecting delicate parts and reducing vibration transfer to surrounding machinery, which lowers maintenance costs and extends actuator life in packaging lines and automated inspection stations. Feature → Business Impact → Application: Stainless steel piston rod and anodised aluminium barrel offer corrosion resistance and long-term stability in harsh manufacturing environments, supporting reliable operation in food processing, chemical handling, and outdoor automation environments. Feature → Business Impact → Application: The G3/4 port and 2–10 bar operating range ensure compatibility with standard plant air systems, enabling quick installation and minimal system rework when retrofitting older lines, with broad mounting compatibility for easy integration into complex automation layouts. Feature → Business Impact → Application: The RM/900 series lineage and Martonair branding provide established spare parts, service kits, and documented maintenance procedures, reducing downtime and improving total cost of ownership in multi-product lines. Feature → Business Impact → Application: Non-magnetic construction reduces risk of sensor interference in precision automation, making the cylinder suitable for proximity sensors and encoder-supported positioning in pick-and-place and measurement applications.
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FAQs
For a straightforward retrofit, align the cylinder with existing mounting holes and use the standard tie-rod mounting options compatible with the 8" bore. Connect to a compressed air supply within the 2–10 bar range and a G3/4 port as specified. Use the available service kit QM/980/00 to ensure seals and cushions are maintained during installation. Verify end-of-stroke cushioning settings to balance deceleration with cycle speed.
The RM/980/500 delivers a theoretical force of approximately 19,417 N at full stroke, enabling high-load applications. Adjustable cushioning lets you tailor deceleration to the load, reducing impact on fixtures and the workpiece, lowering vibration, and extending service life. For best results, calibrate cushioning to the specific mass and stroke profile of the application, and verify performance under typical operating temperatures of -20 to 80 °C.
Yes. The 8" bore and 500 mm stroke provide robust actuation for stamping and material handling, while the double-acting design supports precise bidirectional motion for gripping and controlled placement. Its rugged construction, corrosion-resistant barrel, and non-magnetic design reduce contamination risks near sensors, making it well-suited for automated assembly and packaging lines as well as robotic grippers.
Certification specifics depend on installation and regional requirements. The RM/980/500 is designed for industrial use with standard pneumatic specs and can support CE-ready configurations when installed per local safety standards. For regulated environments, verify applicable certifications with your compliance team and confirm enclosure IP ratings and sensor compatibility in your specific deployment.
The RM/980/500 benefits from readily available service kits, such as QM/980/00, which simplify routine maintenance and reduce downtime. Regular servicing preserves cushion performance and seal integrity, extending cycle life and stabilizing throughput. With robust materials (anodised barrel, stainless rod) and reliable spare parts, overall maintenance costs stay predictable, supporting a favorable return on investment in high-cycle automation lines.