Norgren KM/8025/MF/40 Cylinder - ISO 6432, 25 mm bore

Part Number: KM/8025/MF/40
Manufacturer
Norgren
Part number
KM/8025/MF/40

Quick Summary

KM/8025/MF/40 Cylinder delivers reliable double-acting pneumatic actuation for food-processing and automation applications. In washdown environments, corrosion resistance and seal life are common pain points that drive maintenance costs. The unit conforms to ISO 6432, includes a magnetic piston as standard, and offers buffer cushioning for gentle, controlled strokes. With stainless steel barrel and piston rod materials, it balances durability with easy integration into existing systems, supporting longer service intervals and reduced downtime. The compact 25 mm bore and 40 mm stroke enable precise, fast travel without occupying excessive space on tight lines such as conveyors, dosing stations, and palletisers. Designed for hygienic environments, it helps maintain productivity while meeting industry expectations.

Product Information

Extended Description

KM/8025/MF/40 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
25 mm
Stroke Length
40 mm
Operation
Double acting
Cushioning
Buffer cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
294 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)
Range
KM/8000/M
Brand
IMI Norgren
Feature: ISO 6432 conformity with a 25 mm bore and 40 mm stroke. This standardized interface reduces integration effort and simplifies spare parts across automation frames. Application: Ideal for compact conveyors, robotic pick-and-place stations, and small dosing lines where space is at a premium. Feature: Stainless steel barrel and piston rod (1.4301/1.4305) deliver high corrosion resistance. Business impact: extends service life in hygienic, washdown environments, lowering maintenance costs. Application: food and beverage lines, pharmaceutical handling, and other sanitary settings. Feature: Magnetic piston as standard enables direct position sensing. Impact: easier integration with sensors and reliable end-of-stroke detection, reducing wiring complexity. Application: packaging and assembly lines with automated control loops. Feature: Buffer cushioning minimizes impact energy for smoother starts and stops. Impact: reduces wear onGuides and mounts, improving cycle accuracy and reducing downtime. Application: delicate components handling and high-speed packaging lines. Feature: G1/8 port size ensures compatibility with standard fittings. Impact: faster, simpler installation and easier field maintenance. Application: valve manifolds and general control circuits in automation cells. Feature: Operating temperature range -10 to 80 °C and operating pressure 1 to 10 bar provide broad process compatibility. Impact: minimizes risk of heat or pressure-related failures in varied environments. Application: industrial lines with diverse washdown, cleaning, or processing steps. Feature: Theoretical force of 294 N supports moderate loads without compromise on speed. Application: actuating clamps, pushers, and light-load actuations in packaging and assembly. Feature: Materials detailing—Barrel: X5 Cr Ni 18 10; Piston Rod: X10 Cr Ni S 18 9—combine hygiene with durability. Application: long service life in environments demanding sanitation and frequent cleaning.

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FAQs

KM/8025/MF/40 uses a standard ISO 6432 interface and features a nose mounting nut plus piston rod locknut as standard, enabling secure alignment with compatible end brackets and mounts. With a G1/8 port, it plugs into common valve manifolds and air lines. For best results, align the rod axis precisely and verify seal integrity during initial cycling to prevent misalignment.
The cylinder provides a 25 mm bore and 40 mm stroke, delivering approximately 294 N of theoretical force. It operates on compressed air within 1 to 10 bar (15 to 145 psi) and supports a temperature range from -10 to 80 °C, making it suitable for varied industrial environments and typical food-processing applications.
Yes. The unit employs a stainless steel barrel and piston rod with high corrosion resistance, and it is designed for hygienic environments common in the food and beverage sectors. Magnetic piston as standard supports reliable sensing in automated lines, while buffer cushioning reduces mechanical shocks during sanitization cycles, contributing to longer equipment life.
Plan routine inspection of seals and fittings, especially in washdown environments. The magnetic piston simplifies end-of-stroke sensing, reducing sensor misreads, while buffer cushioning minimizes peak loads and wear on internal components. Regular cleaning with industry-approved solvents (within temperature limits) and verifying port connections help sustain consistent performance and minimize downtime.
The official datasheet is available at the Norgren repository: https://cdn.norgren.com/pdf/en_1_5_025_KM_8000_M.pdf. This document provides full specifications, mounting dimensions, port configuration, materials, and recommended application notes to support your installation and maintenance planning.