Description

MI Series: Stainless Steel Mini Cylinder

High-Precision Linear Motion Compliant with ISO 6432 Standards

The MI Series is a range of high-quality pneumatic mini cylinders designed for precision automation in demanding environments. Engineered in accordance with ISO 6432 standards (for bore sizes ø8–ø25), these cylinders feature a robust stainless steel construction and a space-saving design, making them ideal for high-cycle applications requiring corrosion resistance and mechanical reliability,.

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Technical Specifications

The series is built to operate under rigorous industrial conditions with the following parameters:

Feature	Specification Details	Source
Bore Sizes (mm)	8, 10, 12, 16, 20, 25, 32, 40	,
Acting Types	Double acting, Single acting (Push/Pull)
Fluid	Clean Air (filtered by 40μm element)
Operating Pressure (Double Acting)	0.15~~1.0 MPa (22~~145 psi)
Operating Pressure (Single Acting)	0.2~~1.0 MPa (28~~145 psi)
Proof Pressure	1.5 MPa (215 psi)
Temperature Range	-20°C to 70°C
Speed Range	50 to 800 mm/s
Cushion Type	Variable Cushion (MIC series) or Bumper (others)
Port Sizes	M5×0.8 (ø8–25), 1/8″ (ø32), 1/4″ (ø40)

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Key Performance Features

Riveted Rolling Packed Structure: The front and back covers are connected to the stainless steel block using a high-integrity riveted rolling packed structure, ensuring a reliable, leak-proof connection,.
High-Grade Materials: The cylinder barrel is constructed from SUS304 (for bore sizes 8–12) or SUS316L (for other sizes), while the piston rod is made of SUS304, providing excellent general working environment durability, even with corrosivity,.
Integrated Impact Protection: Front and back covers feature fixed bumper pads to reduce mechanical impact during direction changes.
Versatile Mounting Configurations: The series offers several back-cover modes, including Pivot (CA), Perpendicular 90° (U), Axial air-in (R), and Round-end (CM) types to facilitate convenient installation in diverse mechanical layouts,.

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Theoretical Cylinder Thrust (Newton)

Engineers can calculate required force based on operating pressure (MPa):

Bore Size	Action Type	0.3 MPa	0.5 MPa	0.7 MPa
12	Double (Push)	33.9 N	56.5 N	79.1 N
16	Double (Push)	60.3 N	100.5 N	140.7 N
25	Double (Push)	147.2 N	245.4 N	343.4 N
40	Double (Push)	377.0 N	628.3 N	879.6 N

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Model Variations

To meet specialized application needs, the series includes multiple configurations:

MI / MIC: Standard Double Acting / Double Acting with Variable Cushion.
MSI / MTI: Single Acting (Push) / Single Acting (Pull).
MID / MICD: Double Rod Type / Double Rod with Variable Cushion.
MIJ / MICJ: Adjustable Stroke Type / Adjustable Stroke with Variable Cushion.

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Construction Materials

Component	Material	Source
Piston Rod	SUS304 Stainless Steel
Barrel (ø8–ø12)	SUS304 Stainless Steel
Barrel (Others)	SUS316L Stainless Steel
Piston (ø8–ø12)	SUS303 Stainless Steel
Piston (Others)	Aluminum Alloy
Seals	NBR (Nitrile Rubber)
Covers	Aluminum Alloy

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Installation and Application Guidelines

Filtration Requirements: System air must be filtered to 40μm or below to prevent internal damage.
Lateral Loads: Avoid excessive side loads to the piston rod to maintain normal cylinder function and extend service life.
Low-Temperature Precautions: In freezing environments, anti-freezing measures must be taken to prevent moisture from compromising the system.
Storage: For long-term storage, apply anti-rust treatment to surfaces and use anti-dust caps for the air ports.
Mounting Accessories: A full range of accessories is available, including LB (Foot), FA (Flange), SDB (Pivot), and TC (Trunnion) types