Norgren RM/980/850 Pneumatic Cylinder - 8in Bore
Part Number: RM/980/850
Quick Summary
Norgren RM/980/850 Pneumatic Cylinder enables precise linear actuation in automation lines, packaging, and material handling. When your system demands rugged reliability under high-cycle duty, this cylinder minimizes downtime and maintenance costs. The design aligns with CE marking requirements and offers configurations suitable for rugged environments, with non-magnetic construction reducing EMI concerns. With adjustable cushioning, a robust anodised aluminium barrel, and a stainless steel piston rod, it delivers long service life, predictable performance, and lower life-cycle costs. The RM/980/850 also integrates smoothly with RM/900 mounting families and standard G3/4 ports, helping OEMs accelerate installation and support scalable automation projects.
Product Information
Extended Description
RM/980/850 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
850 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: Tie rod double-acting cylinder with an 8 inch bore and 850 mm stroke delivers substantial force for large workpieces and extended strokes. Business Impact: Theoretical force of 19,417 N supports high-load actuation with consistent repeatability, reducing the need for oversized substitutes and improving cycle times. Application: Ideal for machine frames, large pick-and-place heads, and gantry systems in heavy-duty automation. Feature: Adjustable cushioning provides controlled deceleration at end-of-stroke, minimizing shock and wear. Business Impact: Extends cylinder life and reduces maintenance intervals, lowering lifecycle costs. Application: Particularly valuable in packaging lines and automated assembly where frequent stops demand precise stopping force and repeatable performance. Feature: Port Size G3/4 and compatibility with RM/900 range mounts streamline installation. Business Impact: Quick setup reduces downtime and simplifies stocking with standard components. Application: Easy integration into existing pneumatic circuits and modular lines, with common mounting patterns supporting fast changeouts and scalable configurations. Feature: Construction uses anodised aluminium barrel and martensitic stainless steel piston rod, with non-magnetic options. Business Impact: Combines light weight with corrosion resistance and EMI-friendly, non-magnetic properties for sensitive equipment. Application: Suitable for harsh factory environments, medical or sterile lines where non-magnetic actuation is critical. Feature: Wide operating range includes -20 to 80 C and 2 to 10 bar. Business Impact: Maintains performance across manufacturing environments and vacuum conditions, while the G3/4 porting supports standard compressed air supply. Application: Fits general-purpose automation in metalworking, plastics, and packaging sectors, aligning with RM/900 series for broader system compatibility. Feature: Availability of service kits QM/980/00 and extensive Norgren RM/900 ecosystem support maintenance and spares. Business Impact: Reduces downtime, simplifies field servicing, and extends equipment lifetime through documented service procedures. Application: OEMs and technicians rely on familiar components to minimize turnarounds and maintain peak line performance.
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FAQs
The RM/980/850 uses standard G3/4 porting and is designed to integrate with the RM/900 mounting family. This enables quick installation on existing frames and allows reuse of common pneumatic lines and fittings, reducing downtime during changeovers. The cylinder’s 8" bore and 850 mm stroke complement typical RM/900 configurations for large or high-cycle applications.
This model delivers a theoretical force of 19,417 N, making it suitable for heavy lifting and long-stroke actuation. It operates between 2 and 10 bar (29–145 psi) and handles temperatures from -20 to 80 °C (-4 to 176 °F), enabling consistent performance across most industrial environments.
Yes. The double-acting design, along with adjustable cushioning, minimizes impact and wear at end-of-stroke, supporting high-cycle packaging lines. Non-magnetic construction helps reduce EMI in sensitive equipment, and compatibility with standard RM/900 mountings simplifies replacement and routine maintenance on packaging and material-handling systems.
Norgren designs common industrial pneumatic products to meet European CE expectations, with configurations available for rugged environments. Always verify the specific configuration against the datasheet for exact certifications and compliance notes, as standards can vary by region and option set.
Service access is supported by QM/980/00, service kits for RM/900, 8" cylinders, enabling field and workshop maintenance with OEM-approved parts. This alignment with the RM/900 ecosystem helps minimize downtime, speeds repairs, and preserves long-term performance through standardized spares and documented procedures.