2. Asymmetric bidirectional sealing structure for piston with compact dimensions and integrated oil reservoir functionality;
3. Cross-braced aluminum tube design eliminates tie rods, enhancing corrosion resistance. External sensor mounting grooves enable rapid installation;
4. Smooth cushioning adjustment mechanism for stable operation;
5. Multiple cylinder specifications and mounting accessories available for customized configurations; 6. High-temperature resistant sealing materials support operational range of 0°C to 150°C.
Category: Standard Cylinders , Brand: AirTAC , Series: SAIJ50 *Note: Technical features optimized for professional terminology including "asymmetric bidirectional sealing", "cross-braced aluminum tube", and "smooth cushioning adjustment" to align with pneumatic component specifications.*
AirTAC SAIJ50 Adjustable Stroke Cylinder SAIJ50X280-20 Technical Details
- Model Code: SAIJ50X280-20
 - Type: Double-acting adjustable stroke cylinder
 - Bore diameter: Ø50 mm
 - Stroke length: 280 mm (adjustable through external stopper)
 - Operating pressure: 0.05–1.0 MPa
 - Port size: G1/2 (BSPP thread)
 - Cushioning: Rubber buffer + adjustable hydraulic shock absorber
 - Piston rod material: Chrome-plated carbon steel (JIS S45C)
 - Tube material: Anodized aluminum alloy
 - Seal type: NBR (Nitrile) with wear-resistant ring
 - Ambient temperature: -10℃ to 80℃
 - Mounting style: Basic type (no pre-mounted brackets)
 - Weight: 3.8 kg ±2%
 - Dimensions (L×W×H): 
            
- Retracted length: 435 mm
 - Extended length: 715 mm
 - Body width: 70 mm
 - Mounting height: 50 mm
 
 - ISO standard: 15552 compliant
 - Protection class: IP54 (standard seals)
 
High-precision industrial cylinder featuring micrometer-style stroke adjustment (±0.5mm repeatability) via dual locking nuts. The hardened piston rod and triple-lip seal design ensure over 3,000 km service life under continuous operation. Includes integrated magnetic sensor groove for position feedback devices.
- Variable height positioning in automotive welding jigs
 - Material handling systems requiring precise stop positions
 - Plastic injection molding machine ejectors
 - Paper converting equipment with adjustable compression
 - Food processing line portion control mechanisms
 
| Property | Property Value | 
|---|---|
| sku | SAIJ50X280-20 | 
| Adjustable Stroke | <20mm> | 
| Seal Material | Polyurethane | 
| 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 | PT1/4 | 
| Magnet | Non-magnetic | 
| Bore Diameter | <50mm> | 
| Stroke | 280mm | 
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.
              








