Norgren KM/8020/M/400 Cylinder - ISO 6432 Standard
Part Number: KM/8020/M/400
Quick Summary
Norgren KM/8020/M/400 cylinder provides compact, corrosion-resistant actuation for automated food and beverage lines. End users struggle with corrosion, downtime and maintenance in demanding production environments. This unit conforms to ISO 6432, features a magnetic piston, and is well suited for food-grade applications requiring hygienic stainless steel hardware. With buffer cushioning, nose mounting options, and a robust 20 mm bore, it delivers reliable, cost-effective performance in automated assembly and packaging lines. Designed for easy installation in constrained spaces and compatible with standard G1/8 ports, it helps OEMs reduce maintenance time while increasing line uptime and process consistency.
Product Information
Extended Description
KM/8020/M/400 Norgren: High corrosion and acid resistance | Magnetic piston as standard | Conforms to ISO 6432 | Suitable for applications in the food industry | Buffer or adjustable cushioning | Nose mounting nut and piston rod locknut as standard
Medium
Compressed air
Operating Temperature
-10 ... 80 °C, 14 ... 176 °F
Operating Pressure
1 ... 10 bar, 15 ... 145 psi
Standard
ISO 6432
Port Size
G1/8
Cylinder diameter
20 mm
Stroke Length
400 mm
Operation
Double acting
Cushioning
Buffer cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
188 N
Materials - Barrel
X5 Cr Ni 18 10 (1.4301: AISI 304)
Materials - Piston Rod
X10 Cr Ni S 18 9 (1.4305: AISI 303)
Country of Origin
Germany
Range
KM/8000/M
Brand
IMI Norgren
High corrosion and acid resistance translates into longer service life and lower maintenance costs in demanding environments. This is achieved by a stainless steel barrel (304) and a robust piston rod, enabling reliable operation across CIP/SIP cycles. In food-processing and packaging lines, that means fewer replacements and less downtime during critical runs. Magnetic piston as standard improves position sensing and control accuracy, reducing misalignment and wasted cycles. In automated pick-and-place tasks, precise feedback supports tighter tolerances and improved throughput. The 20 mm bore with 400 mm stroke offers a compact profile for tight spaces while maintaining adequate force (188 N) for mid-range actuation. Buffer cushioning ensures smooth actuation, minimizing shock and vibration. This protects adjacent equipment and extends life of seals and bearings, especially on high-speed conveyors and indexing machines. The ISO 6432 standardization and G1/8 port compatibility simplify panel integration and replacement in existing lines. Materials selection supports chemical resistance and hygiene: barrel in 304 stainless steel and piston rod in corrosion-resistant alloy. This combination is favorable for clean-in-place workflows and reduces contamination risk on food-contact surfaces. The magnetic piston aids non-contact sensing, improving reliability in electronically monitored systems. Double-acting operation provides push and pull actuation in a compact cylinder footprint, enabling versatile motion control in compact automation cells. For OEMs, the standard mounting options including nose mounting nut and piston rod locknut streamline installation and maintenance across multiple machine platforms.
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FAQs
KM/8020/M/400 is designed around the ISO 6432 standard and uses a G1/8 port, ensuring straightforward replacement or integration into existing installations. Its 20 mm bore and 400 mm stroke fit common compact automation cells, enabling quick retrofits on lines that rely on standard CP foundation footprints. For new layouts, the standard mounting features simplify alignment and ensure consistent performance across multiple axes.
In standard air at 1–10 bar, this cylinder delivers up to 188 N of theoretical force with dependable double-acting operation. It operates across -10 to 80 °C and is built with corrosion-resistant stainless steel components to tolerate CIP/SIP cycles. The result is reliable actuation with predictable response times, minimal stiction, and stable performance in harsh industrial environments.
Yes. The 20 mm bore stainless steel barrel and corrosion-resistant piston rod are tailored for food industry hygiene, including frequent cleaning cycles. The magnetic piston provides robust position sensing for automated controls, while buffer cushioning reduces mechanical stress during high-speed cycles. All materials are chosen to withstand sanitizing agents and maintain sanitary surfaces in contact with products.
The magnetic piston allows non-contact position sensing, improving feedback accuracy for PLCs and servo controllers. This reduces misreads and false faults, enabling tighter tolerances and smoother control in indexing and pick-and-place tasks. For maintenance, magnetic sensing reduces wear on physical proximity switches and simplifies diagnostics, supporting faster fault isolation and reduced downtime.
With its corrosion-resistant construction and standardization to ISO 6432, the cylinder offers longer service intervals and lower replacement costs. The magnetic piston improves control reliability, reducing waste and rework. Cushioning and robust mounting options minimize shock-induced wear, extending seal life and downtime between maintenance events. Over the lifecycle, these factors translate to lower total cost of ownership and higher production uptime.