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 MACJ25X250-40S Specifications
- Model: MACJ25X250-40S
- Type: Double-acting adjustable stroke mini cylinder
- Bore size: 25mm
- Stroke: 250mm (adjustable)
- Operating pressure: 0.05–1.0 MPa
- Operating temperature: -20℃ to 80℃
- Port thread: M5×0.8 (standard) / NPT1/8 optional
- Cushion adjustment: Double-sided adjustable rubber cushion
- Material: Stainless steel cylinder tube (SUS304) / Aluminum alloy end caps
- Seal material: NBR (Nitrile rubber)
- Weight: 1.2kg ±5%
- Dimensions: 300mm(L) × 40mm(W) × 40mm(H) (full extension)
- Rod thread: M6×1.0 (external)
- Mounting type: Basic type (no built-in mounts)
- Protection rating: IP40
- Lubrication: Pre-lubricated (Daphne Alpha Z2 grease)
Ultra-compact stainless steel cylinder with precision stroke adjustment mechanism, featuring corrosion-resistant construction for harsh environments. The through-rod design allows external stroke adjustment via locknuts (included). Optimized for low-friction operation with self-compensating seals.
- Cleanroom automation equipment
- Semiconductor manufacturing tools
- Precision clamping in CNC fixtures
- Pharmaceutical packaging lines
- Food processing machinery (washdown environments)
- Optical lens positioning systems
| Property | Property Value |
|---|---|
| sku | MACJ25X250-40S |
| 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 | <25 mm> |
| Stroke | <250MM> → <250mm> |
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.







