2、Front/rear end caps feature threaded connection design;
3、Piston sealing adopts specialized bidirectional sealing structure with compact dimensions and integrated oil reservoir function;
4、Front end incorporates self-lubricating bearing guides for enhanced lubrication and directional stability;
5、Multiple rear mounting configurations enable flexible cylinder installation;
6、Available with various cylinder sizes and compatible mounting accessories for customized configurations.
Category: Adjustable Cylinders | Brand: Airtac | Series: MALJ20
AirTAC MALJ20X120-40-S Adjustable Miniature Cylinder Specifications
- Model: MALJ20X120-40-S
- Type: Double-acting adjustable cushion mini cylinder
- Bore size: 20mm
- Stroke: 120mm (±0.5mm tolerance)
- Cushion type: External adjustable pneumatic cushion (both ends)
- Mounting style: MALJ series standard foot-mount with through-hole
- Operating pressure: 0.1–0.9 MPa (15–130 PSI)
- Temperature range: -10℃ to 80℃ (non-freezing)
- Port size: M5x0.8 threaded (standard) / NPT1/8 optional
- Piston material: Aluminum alloy with hard anodizing
- Rod material: SUS304 stainless steel
- Seal type: NBR rubber (standard) / Fluorine rubber optional
- Weight: 820g ±3% (without accessories)
- Dimensions (L×W×H): 220mm × 40mm × 42mm (at mid-stroke position)
- Max theoretical thrust: 28.3kgf @0.5MPa
- Piston speed: 50–700mm/s (optimal range 100–500mm/s)
- ISO standard: 6432 (mini cylinder specifications)
Ultra-compact cylinder with precision-adjustable stroke and dual cushioning, featuring a space-saving design with 30% smaller footprint than standard ISO cylinders. The MALJ20 series utilizes a chromium-plated piston rod and integrated buffer adjustment screws for fine-tuning end-position deceleration. Requires lubrication-free operation when using NBR seals.
- Precision positioning in semiconductor handling robots
- Clamping mechanisms in CNC tool changers
- Valve actuation in compact analytical instruments
- Packaging machine ejector systems
- Automated microscope stage movement
| Property | Property Value |
|---|---|
| sku | MALJ20X120-40-S |
| 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 | 120mm |
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.









