Airtac MFJ Adjustable Mini Cylinder MFJ40X125-20

Airtac

Airtac MFJ Adjustable Mini Cylinder MFJ40X125-20

$75.34 $82.84
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Description
1. Complies with JS standards;
2. Features an asymmetric bidirectional sealing structure for piston sealing, offering compact dimensions with integrated oil reservoir functionality;
3. Integrated fixed cushions on both end covers minimize impact during directional changes;
4. Multiple rear cover configurations simplify installation and enhance mounting flexibility;
5. Crimped and wrapped assembly ensures robust connection between stainless steel barrel and end covers;
6. Precision-engineered stainless steel barrel provides exceptional strength and corrosion resistance;
7. MF series achieves shorter overall length than ISO6432 standard cylinders while maintaining identical bore/stroke specifications;
8. Comprehensive range of cylinder variants and mounting accessories available for customized solutions.
Category: Adjustable Cylinders | Brand: AirTAC | Series: MFJ Adjustable cylinders

AirTAC MFJ Adjustable Miniature Cylinder MFJ40X125-20 Technical Details

  • Model: MFJ40X125-20
  • Bore size: Ø40mm
  • Stroke: 125mm (adjustable)
  • Operating pressure: 0.05–0.9 MPa
  • Port size: M5×0.8 (standard) / NPT1/8 (optional)
  • Cushion type: Adjustable rubber buffer (both ends)
  • Mounting style: Basic type (no built-in mount)
  • Temperature range: -10℃ to 70℃
  • Piston material: Aluminum alloy (hard anodized)
  • Rod material: Stainless steel (SUS304)
  • Seal type: NBR rubber (oil/moisture resistant)
  • Weight: 1.45kg ±3%
  • Dimensions:
    • Extended length: 230mm (stroke fully extended)
    • Retracted length: 105mm
    • Body width: 55mm
    • Mounting hole spacing: 30mm (vertical) × 22mm (horizontal)

Ultra-compact linear actuator featuring micrometer-grade stroke adjustment (via 20mm adjustable collars) and impact absorption. The double-acting design with chrome-plated rod resists side loads up to 2.5N·m. Includes built-in magnet for position sensing compatibility.

Ideal Applications:
  • Precision clamping in SMT component placement
  • Medical device actuator (dental chairs, surgical robots)
  • Pharmaceutical blister packaging machines
  • Semiconductor wafer handling systems
  • Cleanroom-compatible automation (low particle emission)
Operation note: Lubricate with ISO VG32 hydraulic oil before initial use. Avoid lateral force exceeding 15% of maximum thrust (240N at 0.5MPa). For vertical mounting, install rod-end down to prevent piston drift.


Property Property Value
sku MFJ40X125-20
Adjustable Stroke <20mm>
Mounting Type Without Mounting Accessories
Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore Operating Temperature:-20-70°C Speed Range:30-800mm/s
Port Size PT1/4
Magnet Non-magnetic
Bore Diameter <40mm>
Stroke 125mm
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Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:

  • Received the wrong item.
  • Item arrived not as expected (ie. damaged packaging).
  • Item had defects.
  • Over delivery time.
  • The shipper does not allow the goods to be inspected before payment.

The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.

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