Norgren KM/8021/M/50 Stainless Steel Cylinder - ISO 6432
Part Number: KM/8021/M/50
Quick Summary
Norgren KM/8021/M/50 stainless steel cylinder is a double-acting pneumatic actuator designed for precise, corrosion‑resistant actuation in automated lines. In demanding environments, operators often contend with components that corrode, leak, or fail CIP cycles, driving maintenance costs and downtime. With ISO 6432 conformance, a magnetic piston for reliable sensing, and food‑industry suitability, this cylinder delivers durable performance in challenging applications. Its adjustable cushioning and versatile mounting options reduce mechanical shock and simplify installation, helping OEMs and maintenance teams shorten setup times and lower spare-parts inventories while maintaining production efficiency.
Product Information
Extended Description
KM/8021/M/50 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
50 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
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Pneufit 10 Push-in fitting, Banjo flow control, Regulating out, 6mm, G1/8
KQM/8020/24
L - Rear Hinge Mounting 20mm bore
M/P72404
Foot mounting style C
KQM/8020/25
F - Piston Rod Clevis Mounting 20mm bore
QM/33/020/22
Switch mounting brackets, 20mm bore
M/50/LSU/5V
M/50 magnetically operated reed switch, 5m cable
Stainless steel build delivers high corrosion and acid resistance, extending service life in food processing and clean-in-place environments, which translates to lower maintenance costs and less downtime. The magnetic piston is standard, enabling straightforward position sensing and easier automation integration without additional sensors or wiring. Conformance to ISO 6432 guarantees interchangeability with a wide range of standardized mounts and accessories, allowing quick replacement and reduced spare parts stocking. Adjustable cushioning minimizes impact loads, protecting delicate workpieces and extending cylinder life in packaging and conveyance lines. The 20 mm bore and 50 mm stroke provide a compact yet capable actuator footprint, while the G1/8 port supports common pneumatic fittings for fast, reliable installation. This cylinder also pairs well with Pneufit 10 push-in fittings and established Norgren mounting kits for streamlined retrofits and upgrades.
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FAQs
Install KM/8021/M/50 using compatible 20 mm bore mountings such as rear hinge (KQM/8020/24) or piston rod clevis (KQM/8020/25). Ensure G1/8 port connections match your system fittings. For quick retrofits, pair with Pneufit 10 push-in fittings and standard switch mounts (QM/33/020/22) to maintain alignment and minimize downtime.
KM/8021/M/50 supports magnetic sensing with the M/50 magnetically operated reed switch (5 m cable). Use the switch mounting bracket QM/33/020/22 for secure placement and reliable feedback in automation loops, reducing wiring complexity and enabling straightforward integration with PLCs.
Yes. The cylinder features a stainless steel barrel (1.4301) and piston rod (1.4305), delivering high corrosion resistance and suitability for CIP-like washdown scenarios. Its magnetic piston assists with non-contact sensing, and ISO 6432 compatibility ensures reliable interchangeability with cleanroom and food-industry manufacturing setups.
The actuator operates from -10 to 80 °C (14 to 176 °F) and supports 1 to 10 bar (15 to 145 psi). This broad range makes it suitable for typical factory environments and washdown cycles, while maintaining stable performance across varying production conditions.
Theoretical force is 188 N. The barrel is made from X5 Cr Ni 18 10 (1.4301: AISI 304), and the piston rod from X10 Cr Ni S 18 9 (1.4305: AISI 303). Port size is G1/8 with a 20 mm bore and 50 mm stroke, providing a compact yet capable actuation suitable for standard automation tasks.