1. Manufactured in compliance with enterprise standards;
2. Features riveted integration between cylinder barrel/rear cover and piston/piston rod for compact reliability;
3. Barrel bore undergoes precision roller burnishing followed by hard anodizing for superior wear resistance and extended service life;
4. Patented asymmetric bidirectional piston sealing design with integrated lubrication reservoirs ensures space efficiency;
5. Optimized footprint minimizes installation spatial requirements;
6. Pre-machined sensor mounting grooves around barrel periphery enable tool-free sensor installation;
7. Multiple configurations available to accommodate specific application requirements.
Category: Slim Cylinders | Brand: AIRTAC | Series: SDAJ12~25
AirTAC SDAJ12~25 Series Adjustable Ultra-Thin Cylinder SDAJ20X55-40 Specifications
- Model: SDAJ20X55-40
- Series: SDAJ12~25 (Adjustable Stroke Type)
- Bore size: 20mm
- Stroke: 55mm (Adjustable range: 5-55mm)
- Operating pressure: 0.05-0.9 MPa
- Temperature range: -10℃ to 80℃
- Port size: M5x0.8 (Standard) / NPT1/8 (Optional)
- Cushioning: Adjustable air cushion
- Mounting type: Basic type (Standard) / Foot mounting (Optional)
- Material:
- Cylinder tube: Aluminum alloy (Hard anodized)
- Piston rod: Stainless steel (SUS304)
- Seals: NBR (Standard) / PU (Optional)
- Weight: 0.32 kg
- Dimensions (L×W×H):
- Retracted length: 84mm
- Extended length: 139mm
- Width: 34mm
- Height: 34mm
- Max speed: 50-750 mm/s
- Lubrication: Pre-lubricated (Non-relubrication design)
- Protection rating: IP54
Ultra-compact profile cylinder (only 34mm height) with stroke adjustment mechanism, featuring dual-position locking screws for precise stroke control. The T-slot mounting design enables quick installation in space-constrained applications. Special anti-rotation guide structure ensures stable linear motion.
- PCB handling robots in electronics manufacturing
- Precision clamping devices in semiconductor equipment
- Medical analyzer instrument mechanisms
- Compact packaging machine actuators
- Automated optical inspection (AOI) systems
| Property | Property Value |
|---|---|
| sku | SDAJ20X55-40 |
| Adjustable Stroke | <40mm> |
| 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°C to 70°C Speed Range: 30 to 500 mm/s |
| Port Size | M5×0.8 |
| Piston Rod Thread Type | Internal Thread |
| Magnet | Non-magnetic |
| Bore Diameter | <20mm> |
| Stroke | 55mm |
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.











