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 MACJ Stainless Steel Mini Adjustable Cylinder MACJ20X300-40S Specifications
- Model: MACJ20X300-40S
- Type: Single-acting spring return (adjustable stroke)
- Bore size: 20mm
- Stroke length: 300mm (±5mm adjustable)
- Adjustment range: ±5mm via threaded end cap
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -10℃ to 150℃
- Port size: M5x0.8 (standard) with NPT1/8 adaptor included
- Material: SUS304 stainless steel body/piston rod
- Seal material: NBR (Nitrile) with optional FKM (Fluorocarbon)
- Mounting style: Basic type (no built-in mounting features)
- Weight: 1.8kg (including accessories)
- Dimensions: 380mm(L) × 50mm(W) × 50mm(H) (full extension)
- Rod end: Female M6x1.0 thread
- Cushioning: Adjustable pneumatic cushion at both ends
- Protection rating: IP67 (standard wiper seal)
Compact stainless steel cylinder featuring corrosion-resistant construction and micro-positioning capability through its unique stroke adjustment mechanism. The through-rod design allows external stroke limitation via hex wrench adjustment, making it ideal for precision alignment tasks. Requires 5μm filtered air with ISO VG32 lubricant for optimal performance.
- Semiconductor wafer handling systems
- Food processing line positioning jigs
- Medical device assembly with cleanroom requirements
- Optical lens alignment mechanisms
- Pharmaceutical packaging adjustments
- Relubricate every 500,000 cycles or 6 months
- Inspect cushion seals every 200km of cumulative stroke
- Use only non-chlorinated cleaning solvents
| Property | Property Value |
|---|---|
| sku | MACJ20X300-40S |
| Adjustable Stroke | <40mm> |
| 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 | <20mm> |
| Stroke | 300mm |
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.







