Airtac MFJ Adjustable Mini Cylinder MFJ40X30-20S

Airtac

Airtac MFJ Adjustable Mini Cylinder MFJ40X30-20S

$65.83 $73.33
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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 Series Adjustable Miniature Cylinder MFJ40X30-20S Specifications

  • Model: MFJ40X30-20S
  • Type: Double-acting adjustable cushioning cylinder
  • Bore size: 40mm
  • Stroke: 30mm (±1.5mm adjustable)
  • Mounting style: Basic type (Standard) / Foot-mounted (Optional)
  • Operating pressure: 0.15–0.8 MPa
  • Port size: PT1/8 (M5×0.8 optional)
  • Cushioning type: Rubber bumper + adjustable needle valve
  • Piston material: Aluminum alloy (hard anodized)
  • Rod material: SUS304 stainless steel (chrome-plated optional)
  • Seal material: NBR (HNBR optional for high temp)
  • Temperature range: -20℃ to 80℃ (NBR seals)
  • Weight: 0.52kg (standard configuration)
  • Dimensions:
    • Body length: 102mm
    • Extended length: 132mm (stroke included)
    • Width: 40mm (mounting bracket excluded)
    • Height: 40mm (port axis to base)
  • Rod end: Female thread M10×1.25
  • Max theoretical force: 98N @0.5MPa (extend), 85N @0.5MPa (retract)
  • Protection rating: IP54 (standard), IP67 w/rod seal kit

Ultra-compact linear actuator with precision stroke adjustment, featuring dual cushioning control via rotary needle valves at both ends. The hardened piston rod and dual lip seals ensure leak-free operation in high-cycle applications. Optional magnetic piston version (MFJ40X30-20S/M) available for position sensing.

Typical Applications:
  • PCB handling robots in electronics assembly
  • Precision clamping mechanisms for CNC tooling
  • Cartesian coordinate actuators in packaging lines
  • Valve actuation in analytical instruments
  • Medical device positioning systems
Installation note: For optimal performance, maintain alignment within ±2° angular misalignment. Lubricate with ISO VG32 turbine oil when using non-lubricated air supply. Cushion adjustment requires 1.5mm hex key (included).


Property Property Value
sku MFJ40X30-20S
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 S-Magnetic
Bore Diameter <40mm>
Stroke 30mm
Shipping policies

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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