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 Series Stainless Mini Adjustable Cylinder MACJ20X70-30S Specifications
- Model: MACJ20X70-30S
- Bore size: 20mm
- Stroke: 70mm
- Adjustment range: ±5mm (total stroke adjustment capacity)
- Operating pressure: 0.05–1.0 MPa
- Medium: Clean compressed air (lubricated or non-lubricated)
- Ambient temperature: -20℃ to 80℃
- Port size: M5×0.8 (standard) with NPT1/8 adapter optional
- Cushioning: Rubber buffer + adjustable needle valve
- Mounting type: 30S (basic front flange with axial mounting holes)
- Material: Stainless steel (SUS304) barrel, aluminum alloy end caps
- Rod thread: M6×1.0 external thread
- Weight: 0.68kg (including all accessories)
- Dimensions:
- Extended length: 138mm
- Retracted length: 68mm
- Body diameter: 32mm
- Mounting hole spacing: 25mm (horizontal) × 15mm (vertical)
- ISO standard: Compliant with ISO 6432 (miniature cylinder specifications)
- Protection class: IP67 (when used with appropriate rod seal)
Precision-engineered stainless steel mini cylinder with integrated stroke adjustment mechanism. Features corrosion-resistant construction and dual cushioning system for smooth operation in compact installations. The self-locking adjustment screw maintains position stability during vibration-prone operations. Requires 5μm filtered air (40μm max particle size).
- Precision clamping in semiconductor wafer handling
- Medical device actuation (sterilization-compatible)
- Food processing equipment with washdown requirements
- Optical lens positioning systems
- Cleanroom automation components
- Laboratory automation sample handling
| Property | Property Value |
|---|---|
| sku | MACJ20X70-30S |
| Adjustable Stroke | 30mm |
| 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 | 70mm |
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.







