Norgren KM/8021/M/170 Cylinder - ISO 6432, 20mm dia
Part Number: KM/8021/M/170
Quick Summary
KM/8021/M/170 is a corrosion resistant ISO roundline double-acting cylinder for food processing and automation applications. In demanding environments, engineers contend with contamination risk, cleaning requirements, and unpredictable service life that raise downtime and maintenance costs. This model is CE compliant and conforms to ISO 6432, with a magnetic piston for easy sensing and adjustable cushioning for controlled deceleration. Its rugged construction delivers reliable actuation across varying temperatures and pressures, helping to maintain consistent production cycles. The design supports fast installation, straightforward maintenance, and long service life, translating to lower total cost of ownership on food-grade lines and higher line productivity.
Product Information
Extended Description
KM/8021/M/170 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
170 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
The KM/8021/M/170 features a stainless steel barrel and a robust piston rod, delivering outstanding corrosion resistance in harsh cleaning regimes and acidic environments common in food processing. This translates into reduced replacement cycles and lower maintenance costs, while maintaining hygienic standards throughout lifetime operation. The magnetic piston enables direct position sensing without additional components, simplifying control schemes and improving feedback reliability in automation systems. Adjustable cushioning protects end stops and downstream equipment from impact, extending life in high-cycle applications and enabling smoother, quieter operation on busy lines. With ISO 6432 compatibility, a 20 mm bore, and a 170 mm stroke, installation is straightforward and retrofit projects are accelerated thanks to standard mounting footprints. The G1/8 port supports common compressed air fittings, while the nose mounting nut and piston rod locknut are included as standard for dependable mounting and ease of maintenance. The cylinder delivers up to 188 N of thrust, supporting precise linear actuation in compact spaces. All-metal construction paired with high-grade stainless materials (barrel: X5 Cr Ni 18 10; rod: X10 Cr Ni S 18 9) ensures reliable performance across -10 to 80 °C and 1 to 10 bar, making it a dependable choice for hygienic automation lines and highly regulated environments.
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FAQs
KM/8021/M/170 uses ISO 6432 mounting standards with a G1/8 port for compressed air connections. It includes a nose mounting nut and piston rod locknut, enabling quick, secure mounting in compact layouts. For retrofit projects, rely on the standard 20 mm bore and 170 mm stroke to match existing interfaces, minimizing rework and downtime.
The cylinder operates from 1 to 10 bar (15 to 145 psi) and tolerates temperatures from -10 to 80 °C (14 to 176 °F). With a theoretical thrust of 188 N, it provides reliable actuation for medium-duty cycles while maintaining precision and repeatability in demanding environments.
Yes. The stainless steel barrel (1.4301) and stainless piston rod (1.4305) offer high corrosion resistance and cleanability, essential in food-grade lines. The magnetic piston supports easy sensor integration, and the adjustable cushioning reduces wear on surrounding equipment, all contributing to compliant, efficient production.
The KM/8021/M/170 complies with ISO 6432 dimensions and is CE compliant, ensuring compatibility with European machinery safety requirements. Its magnetic piston and stainless construction also support regulatory expectations around hygiene, durability, and reliability in automated food processing lines.
The stainless steel construction, adjustable cushioning, and magnetic sensing enable longer service intervals and easier maintenance. Reduced corrosion-related wear, along with straightforward mounting and sensor integration, lowers downtime and spare-part costs, delivering a favorable total cost of ownership over the cylinder’s lifecycle in production environments.