Norgren RM/980/75 Tie Rod Cylinder - 8 inch Bore
Part Number: RM/980/75
Quick Summary
The Norgren RM/980/75 tie rod cylinder delivers robust linear actuation for factory automation and material handling. Its adjustable cushioning helps reduce impact, noise, and wear during high-cycle operation, lowering maintenance and downtime. For compliance, look for CE marking, IP protection ratings and SIL safety considerations as part of the datasheet. Beyond seals and mountings, the RM/980/75's rugged anodised barrel and martensitic stainless rod support reliable long-term service across varied industrial environments.
Product Information
Extended Description
RM/980/75 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
75 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 provides high thrust for demanding tasks. Business Impact: Enables heavy lifting, stamping and clamping with fewer cycles needed to achieve the same result. Application: High-force pneumatic acts in automotive, metalworking, and packaging lines. Feature: Double acting operation allows precise control in both extend and retract strokes. Business Impact: Improves cycle times and positioning accuracy, reducing cycle time variance. Application: Pick-and-place, transfer, and push applications on automated assemblies. Feature: Adjustable cushioning minimizes end-of-stroke shock and vibration. Business Impact: Extends component life, lowers maintenance costs, and reduces vibration-induced wear in tooling. Application: Precision end-of-stroke control in CNC-assisted processes. Feature: Non-magnetic construction with an anodised aluminium barrel and martensitic stainless rod. Business Impact: Improves sensor compatibility and corrosion resistance in harsh environments. Application: Food-grade or clean-room-adjacent lines where non-magnetic materials matter. Feature: Wide range of operating conditions—-20 to 80 °C and 2 to 10 bar. Business Impact: Broadens installation possibilities, reduces climate-related risk, and simplifies inventory planning. Application: Outdoor or factory-floor installations with variable ambient conditions. Feature: G3/4 port size and extensive mounting options streamline installation. Business Impact: Faster commissioning, reduced custom hardware requirements, and easier retrofits. Application: Retrofit projects and new lines with standard fittings. Feature: Theoretical force up to 19,417 N supports high-load cycles. Business Impact: Improves reliability in stamping, clamping, and pressing tasks, boosting throughput. Application: Heavy-duty pneumatic actuations in tooling and automation cells. Feature: Availability of service kits QM/980/00 for RM/900 family ensures maintenance efficiency. Business Impact: Simplifies upkeep, minimizes downtime, and extends life of the cylinder. Application: Regular maintenance programs and OEM service schedules.
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FAQs
The RM/980/75 supports extensive mounting configurations designed for tie-rod cylinders. With a G3/4 port and various bracket choices, installation is straightforward on vertical or horizontal axes. Ensure correct orientation to maintain rod alignment, verify stroke travel, and pair with appropriate mounting feet or clevis kits for your application. Always consult the datasheet for recommended mounting accessories and torque specs.
The RM/980/75 delivers a theoretical force of 19,417 N, making it suitable for high-load tasks. It operates with compressed air at 2 to 10 bar (29 to 145 psi) and tolerates ambient temperatures from -20 to 80 °C. For best results, match the force needs to your load profile and verify porting and regulator settings during commissioning.
Yes. The 8 inch bore and adjustable cushioning are specifically intended for demanding high-cycle environments. The double-acting design provides reliable actuation in both directions, while the cushioning can be tuned to minimize impact on tooling and workpieces, improving lifecycle and repeatability in stamping and clamping processes.
Check the official datasheet and supplier documentation for CE marking, IP ratings, and any SIL-related safety notes relevant to your region and application. While this model is designed for rugged industrial use, certification availability can vary by lot and configuration, so confirm the exact version in your purchase documentation.
Service kits QM/980/00 support RM/900-series components, simplifying inspection, seals replacement, and preventive maintenance. Regular maintenance reduces leakages and wear, lowers downtime, and extends service life, delivering a favorable return on investment through steadier performance and fewer unexpected outages in automation cells.