Norgren KM/8021/M/125 ISO roundline cylinder - ISO 6432
Part Number: KM/8021/M/125
Quick Summary
Norgren KM/8021/M/125 is a stainless steel ISO roundline double-acting cylinder for food-industry automation. In demanding washdown environments, corrosion resistance and reliable actuation reduce unplanned downtime and product contamination risks. The unit conforms to ISO 6432, ships with a magnetic piston as standard, and is built for sanitary, high‑pH or acidic processes. Its adjustable cushioning and nose mounting options enable precise stroke control and easy installation on compact assemblies. With a 20 mm bore and 125 mm stroke, it delivers consistent motion across repeated cycles, while the 1 to 10 bar operating range supports flexible system design. By combining robust materials with proven standards, this cylinder lowers maintenance costs and improves line uptime for manufacturers.
Product Information
Extended Description
KM/8021/M/125 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
125 mm
Operation
Double acting
Cushioning
Adjustable 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
Feature → Business Impact → Application: The KM/8021/M/125 uses a stainless steel barrel and piston rod to deliver exceptional corrosion resistance, extending service life in aggressive cleaning cycles and acidic environments. This translates to lower replacement costs and reduced maintenance frequency on food packaging lines where hygiene and reliability are paramount. Application: food processing, sanitary conveyors, and packaging equipment benefit from durable actuation without compromising sanitation. The next feature highlights ISO 6432 conformity and standard porting: with ISO 6432 compatibility and G1/8 ports, this cylinder integrates seamlessly into existing pneumatic circuits and standard fittings, reducing installation time and the need for custom adapters. Application: compact machinery and retrofits where space and compatibility matter. The magnetic piston provides feedback capability without external sensors, enabling easier position sensing and improved line control; this supports automation teams in achieving higher cycle accuracy and traceability on packaging or sorting lines. Application: automated inspection and pick-and-place stations. Adjustable cushioning lets technicians tailor impact and rebound to match cycle speed, minimizing wear and vibration; the result is longer component life, quieter operation, and higher uptime in high-speed pick-and-place or clamping tasks. Application: high-cycle manufacturing and bottling equipment. The combination of a 20 mm bore, 125 mm stroke, and a robust stainless steel body enables reliable extended-stroke actuation in constrained spaces, supporting precise control of clamps, grippers, or ejectors in tight lines. Application: compact actuators in inline assembly. Overall, these design choices address common objections about hygiene, durability, and installation complexity, delivering measurable gains in efficiency, compliance, and total cost of ownership for modern production environments.
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FAQs
KM/8021/M/125 uses a G1/8 port and ISO 6432 mounting standard, enabling quick integration with common fittings and existing manifolds. The included nose mounting nut and piston rod locknut simplify attachment to end effector assemblies, reducing setup time and risk of misalignment in production lines.
The cylinder features a 20 mm bore and a 125 mm stroke with a nominal theoretical force of 188 N. It operates over 1 to 10 bar, suitable for mid‑range automated tasks. These specs support repeatable motion in pick-and-place, clamping, and shuttle applications.
Yes. Its stainless steel (AISI 304) barrel and corrosion‑resistant design are tailored for hygienic washdowns and acidic cleaning cycles common in food and beverage lines. The magnetic piston also aids in non-contact position sensing, supporting traceability and clean operation in sanitary zones.
The cylinder comes with a nose mounting nut and piston rod locknut as standard, plus adjustable cushioning for motion tuning. Typical concerns—alignment, fitment with existing spacers, or end‑of‑stroke impacts—can be addressed by using the adjustable cushioning to tailor deceleration and reduce vibration.
ISO 6432 conformity ensures standardized footprints and mounting interfaces, simplifying spare parts availability and cross‑brand compatibility. This supports predictable maintenance routines and regulatory compliance in industries requiring consistent part interchangeability and traceable components.