Mini Pneumatic Cylinder MI (Stainless Steel)

Hered MI Series Mini Stainless Steel Cylinder: Compact, corrosion-resistant actuators for demanding industrial applications. Available in bore sizes 8mm to 25mm, with double-acting (cushion/air buffer) and single-acting options. Features high-strength stainless steel construction, anti-collision pads, and versatile mounting options. ISO6432 compliant. Operating pressure: 0.11.0MPa (double-acting), 0.21.0MPa (single-acting). Temperature range: -20~70°C. Low-friction design with polyurethane dust seal for smooth operation and long service life. Ideal for food processing, pharmaceuticals, chemicals, and packaging in corrosive environments. Offers flexible installation, durability, and reliable performance. Choose Hered MI Series for compact, high-performance pneumatic actuation in challenging conditions. Contact Hered Pneumatic for expert guidance on selecting the optimal cylinder for your specific system requirements.

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Hered MI Series Mini Stainless Steel Cylinder

Hered Pneumatic Co., LTD.’s MI Series Mini Stainless Steel Cylinder is a compact, high-performance actuator designed for various industrial applications. Featuring corrosion-resistant construction, anti-collision pads, and versatile mounting options, this cylinder offers exceptional durability and flexibility in challenging environments.

Key Features

  • High-strength stainless steel tube body with surface strengthening treatment
  • Fixed anti-collision pads to reduce reversing impact
  • Multiple rear cover options for flexible installation
  • Riveted roller pack structure for reliable connection
  • Polyurethane axial dust seal for long service life
  • Low friction piston seal design for smooth operation
  • Compliant with ISO6432 standard

Specifications

  • Bore Sizes: 8, 10, 12, 16, 20, 25mm
  • Motion Patterns: Double-acting (Cushion Buffer/Air Buffer), Single-acting
  • Working Medium: Air (Filtered by 40 μm filter mesh)
  • Operating Pressure: 0.1-1.0 MPa (double-acting), 0.2-1.0 MPa (single-acting)
  • Proof Pressure: 1.5 MPa
  • Working Temperature: -20 to 70°C
  • Working Speed: 30~800mm/s (double-acting), 50~800mm/s (single-acting)

Symbol for MI Mini Cylinder

Specification for MI Mini Cylinder

Bore (mm) 8 10 12 16 20 25
Motion Pattern Double-acting Cushion Buffer, Single-acting Double-acting Cushion Buffer, Double-acting Air Buffer,Single-acting
Working Medium Air (Filtered by 40 μm filter mesh)
Working pressure range Double-acting 0.1~1.0MPa (14~145Psi)
Single-acting 0.2~1.0MPa (28~145Psi)
Proof Pressure 1.5MPa (215Psi)
Operating temperature range -20~70℃
Operating speed range Double-acting: 30~800 mm/s; Single-acting: 50~800 mm/s
Stroke Tolerance Range 0～100: +1.0/0; >100: +1.4/0
Buffer Type MIC: Adjustable Air Buffer Others：Cushion Buffer
Port Size M5×0.8 G1/8

Standard Stroke

Bore (mm) Standard Stroke Max. Stroke Allowable Stroke
Double-acting 8,10 10 15 20 25 30 40 50 75 100 125 150 150 200
12 10 15 20 25 30 40 50 75 100 125 150 175 200 200 300
Double-acting
Double-acting Air Buffer		 16 10 15 20 25 30 40 50 75 100 125 150 175 200 200 300
20,25 10 15 20 25 30 40 50 75 100 125 150 175 200 250 300 350 400 450 500 500 650
Single-acting 8,10,12 10 15 20 25 30 40 50 50 –
16,20,25 10 15 20 25 30 40 50 75 100 100 –

 

Ordering Code

Internal Structure

No. Item Material No. Item Material No. Item Material
1 Hex nut Carbon Steel 2 Piston rod Durionise Grinding Rod 3 Dust-proof ring TPU
4 Hex nut Carbon Steel 5 Front cover Aluminium Alloy 6 Crash Cushion Elastic material
7 Cylinder Barrel Stainless steel 8 Piston Seal NBR 9 Magnet ring Magnetic material
10 Wearing ring Wear Material 11 Piston Aluminium Alloy 12 Hex socket cap screw Carbon Steel

Overall and Dimensions

MI (Φ8~Φ25), MIC (Φ16、Φ20、Φ25)

Bore/Symbol A B C D D1 D2 E F G H I J K L P Q S U V W X
8 74 28 46 12 2 6 16 12 10 12 6 6 M4×0.7 M12×1.25 4 8 15 17 4 – M5×0.8
10 74 28 46 12 2 6 16 12 10 12 6 6 M4×0.7 M12×1.25 4 8 15 17 4 – M5×0.8
12 88 38 50 17 3 9 21 17 10 16 6 6 M6×1.0 M16×1.5 6 12 18 20 6 5 M5×0.8
16 94 38 56 17 4 9 21 17 10 16 6 6 M6×1.0 M16×1.5 6 12 20 22 6 5 M5×0.8
20 106 44 62 20 9 12 24 20 14 20 7.5 7.5 M8×1.25 M22×1.5 8 16 25 29 8 6 G1/8
25 115 50 65 22 11 12 28 20 15 22 8 8 M10×1.25 M22×1.5 8 16 30 33.5 10 8 G1/8

Bore/Symbol A1 A2 B C T
8 102 103 28 46 15
10 102 103 28 46 15
12 126 126 38 50 21
16 132 132 38 56 21
20 150 150 44 62 24
25 165 164 50 65 27

Bore/Symbol A B C D D1 E
Stroke 0~50 51~100 0~50 51~100
8 101 – 28 71 – 12 2 16
10 101 – 28 71 – 12 2 16
12 116 – 38 75 – 17 3 21
16 123 148 38 81 106 17 4 21
20 140 165 44 87 112 20 9 24
25 151 176 50 90 115 22 11 28

Construction

The MI series cylinders feature high-quality components, including:

  • Stainless steel cylinder barrel
  • Aluminum alloy front and rear covers
  • Durionise grinding rod for piston rod
  • NBR piston seals
  • TPU dust-proof ring
  • Wear-resistant materials for wearing rings

Applications

  • Food and beverage processing
  • Pharmaceutical manufacturing
  • Chemical processing
  • Packaging machinery
  • General industrial automation in corrosive environments

Installation and Use Guidelines

  • Select cylinders with sufficient output power for varying loads
  • Use appropriate cylinders for high temperature or corrosive conditions
  • Implement protective measures in high humidity or dusty environments
  • Clean pipelines before connection to prevent debris entry
  • Use filtered air (40μm or finer)
  • Take anti-freezing measures in low-temperature environments
  • Perform no-load testing before operation
  • Avoid lateral loads to maintain normal operation and prolong service life

For detailed specifications, model options, or customized solutions, please refer to the provided dimension tables and ordering codes. Our technical support team is available to assist you in selecting the optimal MI Series Mini Stainless Steel Cylinder for your specific application requirements.

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