Norgren RM/980/525 Pneumatic Cylinder - Adjustable Cushioning
Part Number: RM/980/525
Quick Summary
Norgren RM/980/525 pneumatic cylinder is a tie-rod, double-acting actuator for heavy-duty linear motion. In rugged manufacturing environments, achieving consistent stroke and reliable cushioning can stall production and accelerate wear. For confidence in safety and compliance, verify the CE, IP, and SIL ratings in the official RM/900 datasheet. The combination of a durable anodised aluminium barrel, a martensitic stainless steel piston rod, and adjustable cushioning delivers long service life with minimal downtime. This actuator integrates with standard mountings and G3/4 ports, offering predictable performance and streamlined maintenance for industrial automation. With a broad operating temperature range and 2 to 10 bar working pressure, it remains dependable across diverse environments. This aligns with industrial automation goals to improve cycle times, reduce waste, and simplify supplier parts management.
Product Information
Extended Description
RM/980/525 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
525 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 in bore and 525 mm stroke deliver a high theoretical force of 19417 N, enabling robust actuation on demanding cycles. Business impact: This capacity reduces cycle times and minimizes stall in heavy automation tasks. Application: Ideal for presses, long-stroke positioning, and clamping in material handling lines.Feature: Adjustable cushioning provides precise impact control. Business impact: Reduces shock, wear on seals, and downtime, lowering maintenance costs. Application: Suitable for high-speed pick-and-place and forming stations in manufacturing lines.Feature: Anodised aluminium barrel and martensitic stainless piston rod deliver corrosion resistance and high strength. Business impact: Non-magnetic construction minimizes interference with sensors and measurement devices. Application: Reliable in wash-down and varied temperature environments.Feature: Extensive mountings and standard G3/4 port enable flexible installation and alignment with existing frames. Business impact: Streamlines retrofits, reduces installation time, and lowers spare-part complexity. Application: Fits RM/900 range and common pneumatic fittings across automation equipment.Feature: RM/900 Martonair range with dedicated service kits, including QM/980/00 for RM/900, 8 inch cylinders. Business impact: Maintains uptime by simplifying maintenance planning and quick parts replacement. Application: Supports long lifecycle service in heavy industry environments.
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FAQs
To install RM/980/525, begin by confirming the port size is G3/4 and choose a compatible mounting option from the available configurations. Align the cylinder to minimize side loads, secure with appropriate clevis, flange, or foot mounts, and connect standard fittings. After mounting, cycle test to ensure smooth cushioning and full stroke without binding.
Key performance specs include an 8 in bore, 525 mm stroke, 2–10 bar operating pressure, G3/4 port, and a theoretical force of 19,417 N. The cylinder uses an anodised aluminium barrel and martensitic stainless rod, with adjustable cushioning and a non-magnetic construction, making it suitable for demanding automation tasks.
Yes, RM/980/525 is rated for -20 to 80 °C operation and a broad 2–10 bar pressure range. The anodised aluminium barrel and stainless piston rod provide corrosion resistance, while the non-magnetic design minimizes interference with nearby sensors. It is suitable for mixed-temperature industries and environments where wash-downs are required when properly installed.
Certification details, including CE, IP ratings, and SIL considerations, are provided in the official RM/900 datasheet. Since configurations vary, verify exact ratings for your installation by consulting the linked datasheet (RM/900 family) and the product service documentation. Contact your supplier if you need region-specific compliance.
Maintenance support includes the QM/980/00 service kits for RM/900, 8 inch cylinders, which simplify routine upkeep. Regular checks of cushioning adjustment, seals, and port fittings help prevent leaks and wear. This approach minimizes downtime and extends actuator life in high-cycle applications.