Norgren RM/980/300 Tie Rod Cylinder - 8in Bore, Adjustable Cushioning
Part Number: RM/980/300
Quick Summary
Norgren RM/980/300 is a tie rod pneumatic cylinder designed for heavy duty automation tasks in manufacturing and packaging. This model delivers robust linear actuation with a proven 8 inch bore and a 300 mm stroke, well suited for demanding clamp and transfer cycles. A common challenge in pneumatics is controlling impact and overshoot; the RM/980/300 mitigates this with adjustable cushioning, helping protect tooling and extend cylinder life. Built on the Martonair design lineage, it features a rugged anodised aluminium barrel and a stainless steel piston rod for durability in harsh environments. For global deployment, consult the datasheet to confirm certifications and installation guidelines; verify CE or IP requirements relevant to your market, ensuring reliable, compliant operation.
Product Information
Extended Description
RM/980/300 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
G3/4
Cylinder diameter
8"
Stroke Length
300 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: 8 inch bore and a theoretical force of 19417 N provide high load capacity and consistent acceleration. Business Impact: enables high throughput clamping, stamping and die transfer with predictable performance. Application: ideal for heavy duty lines in metal forming and packaging where peak force is required. Feature: Adjustable cushioning offers controlled deceleration and tooling protection. Business Impact: reduces overshoot, minimizes wear, and extends service life of actuators and tooling. Application: suitable for pick and place, stamping and transfer operations where gentle stopping is critical. Feature: G3/4 port size with double acting operation ensures compatibility with standard pneumatic circuits. Business Impact: simplifies installation and reduces retrofit time, lowering total cost of ownership. Application: field retrofits and new line integrations across general industry. Feature: Non magnetic construction with a stainless steel piston rod and anodised aluminium barrel provides durability in challenging environments. Business Impact: improves corrosion resistance and long term reliability, reducing maintenance frequency. Application: washdown areas, humid facilities, and outdoor or dirty environments. Feature: Range RM/900 and Martonair series provide extensive mounting options and proven system compatibility. Business Impact: lowers installation time, enhances modularity, and supports future scalability. Application: multi-axis automation, transfer lines, and configurations requiring adaptable mounting.
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FAQs
For proper installation, ensure compatible pneumatic fittings with G3/4 port threads and verify mounting hardware matches the cylinder’s stroke and bore. Check available mounting options in the RM/900 range, select appropriate end- or side-m mounting brackets, and confirm alignment to prevent side loads that could reduce cushion effectiveness.
The cylinder provides a theoretical force of 19417 N, enabling high load clamping, stamping, and die-handling tasks. Applications such as heavy transfer, press feeds, and packaging line indexing benefit from reliable stroke control and repeatable positioning under demanding loads.
Yes, with adjustable cushioning and a robust 8in bore, the RM/980/300 supports rapid cycle times while protecting tooling from impact. For peak speed, pair with matched sensors and proper lubrication and ensure pressure supply is stable within the 2–10 bar range.
Certification needs vary by region. Verify datasheet details and confirm CE marking and IP ratings relevant to your jurisdiction. As with pneumatic cylinders, system level compliance should consider installation, electrical interfaces, and downstream safety interlocks for your specific application.
Regular inspection of the piston rod seal, cushioning adjustment, and port cleanliness minimizes downtime. The heavy-duty design reduces maintenance frequency, while its durability and compatibility with RM/900 components support scalable automation and lower lifecycle costs through fewer replacements and smoother operation.