2. Features custom-profiled bidirectional piston seals with compact dimensions and integrated oil reservoir design;
3. Integrated shock-absorbing pads on both end caps minimize directional change impact;
4. Multiple rear cap configurations for enhanced mounting flexibility;
5. Robust riveted composite enclosure structure securely joins stainless steel barrel with end caps;
6. Precision-engineered stainless steel tubing ensures high mechanical strength and corrosion resistance;
7. Comprehensive selection of cylinder sizes and mounting accessories available;
8. Full-range magnetic piston configuration across series.
Category: Adjustable Cylinders | Brand: AirTAC | Series: MACJ
AirTAC MACJ40X40-20S Stainless Steel Mini Adjustable Cylinder Specifications
- Model: MACJ40X40-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 20mm (adjustable)
- Operating pressure: 0.05–1.0 MPa
- Port thread size: M5×0.8
- Cushioning: Adjustable pneumatic cushion
- Material: Stainless steel cylinder tube (SUS304), aluminum end caps
- Seal material: NBR (nitrile rubber) with grease retention design
- Temperature range: -20℃ to 80℃
- Weight: 0.65 kg
- Dimensions (L×W×H):
- Basic length: 118mm (retracted)
- Extended length: 138mm (including rod)
- Body width: 40mm
- Height with mounting: 40mm ±0.5mm
- Rod thread: M10×1.25 (external)
- Mounting options: Basic type (no built-in mounts) with optional accessories
- IP rating: IP54 (standard), IP67 (with special seals)
Ultra-compact stainless steel cylinder featuring precision stroke adjustment via manual screw mechanism (±1mm accuracy). Corrosion-resistant construction with self-lubricating bearings ensures smooth operation in harsh environments. The 360° adjustable auto-stop function allows micro-positioning control down to 0.5mm increments.
- Semiconductor wafer handling robots
- Pharmaceutical tablet pressing machines
- Precision valve actuation in food processing
- Optical lens positioning systems
- Laboratory automation equipment
- Loosen both counter nuts using 8mm wrench
- Rotate adjustment screw (2mm pitch) clockwise to shorten stroke
- Tighten nuts alternately while maintaining alignment
- Verify position with included 0.1mm graduation marks
| Property | Property Value |
|---|---|
| sku | MACJ40X40-20S |
| 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 | PT1/8 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | <40mm> |
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.







