Norgren KM/8021/M/250 ISO Roundline Double Acting Cylinder - ISO 6432
Part Number: KM/8021/M/250
Quick Summary
KM/8021/M/250 is an ISO Roundline Double Acting stainless steel cylinder designed for reliable actuation in food automation. In practice, engineers wrestle with corrosion, wash-down requirements and contamination risks; this unit delivers high corrosion and acid resistance to extend service life in harsh environments. It conforms to ISO 6432 and features a magnetic piston for position sensing, with adjustable cushioning to protect moving parts. Built for hygienic manufacturing, it supports efficient maintenance and clean-in-place routines, helping your operation achieve consistent uptime and traceability while keeping installation simple with standard mounting and fittings.
Product Information
Extended Description
KM/8021/M/250 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
250 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: Stainless steel housing with high corrosion and acid resistance → Business Impact: Longer cylinder life and lower maintenance costs in challenging environments → Application: Food processing, packaging and pharmaceutical lines. Feature: Magnetic piston as standard → Business Impact: Enables reliable position sensing without external sensors, reducing wiring and installation time → Application: Inline automation and safety-critical sequencing. Feature: ISO 6432 conformity + 20 mm bore, 250 mm stroke → Business Impact: Standardized mounting and predictable travel for compact machine layouts → Application: Compact actuators in packaging and machine tools. Feature: Double acting with adjustable cushioning → Business Impact: Precise actuation with controlled deceleration, minimizing component wear and vibration → Application: High-speed pick-and-place and material handling. Feature: G1/8 port, nose mounting nut, piston rod locknut → Business Impact: Easy retrofits and secure mounting in crowded assemblies → Application: Retrofit projects and upgrade of legacy lines. Feature: Theoretical force 188 N; materials - barrel stainless steel AISI 304, piston rod AISI 303 → Business Impact: Robust load capacity with reliable longevity in sanitary environments → Application: Heavy-duty automation in food and beverage lines. Feature: Operating temp -10 to 80 °C and operating pressure 1 to 10 bar → Business Impact: Wide process compatibility and resilience against temperature and pressure fluctuations → Application: Industrial pneumatic systems with varying duty cycles. Overall, KM/8021/M/250 combines durability, compliance, and ease of installation to drive efficiency, regulatory alignment, and cost savings across automated lines.
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FAQs
KM/8021/M/250 uses standard ISO 6432 mounting, featuring a nose mounting nut and a piston rod locknut for secure, vibration-resistant installation. Ensure correct orientation for double-acting operation, connect the G1/8 air ports, and secure with the included mounting hardware. The magnetic piston aids sensing for straightforward integration with existing control systems.
The cylinder operates from 1 to 10 bar (15 to 145 psi) and performs effectively between -10 and 80 °C (-14 to 176 °F). This broad range supports diverse industrial environments, from cold automation zones to warmer processing lines, while maintaining consistent performance.
Yes. The unit features a stainless steel barrel (AISI 304) and a corrosion-resistant build, designed for hygienic and sanitary processing lines. Its magnetic piston enables reliable sensing, and adjustable cushioning reduces contact wear, supporting CIP/SIP routines and long-term cleanliness on food and beverage equipment.
The cylinder provides a theoretical force of 188 N, which supports reliable actuation for medium-load linear movements. When selecting this cylinder, ensure the application’s dynamic loads, speed requirements, and cushioning settings align with this force to maintain accuracy and prevent premature wear on moving components.
Regular inspections of the cushioning, seals and mounting hardware help prevent wear. The adjustable cushioning allows tuning for impact reduction, while the magnetic piston enables easy integration with sensors without extra wiring. Use compatible lubricants and follow clean-down procedures to maintain corrosion resistance and hygiene standards in your production line.