Airtac SEJ Adjustable Cylinder SEJ40X500-20S
2. Asymmetric bidirectional piston seal structure with compact dimensions and integrated oil reservoir function;
3. Rodless square aluminum tubing construction enhances corrosion resistance;
4. Adjustable cushioning mechanism ensures smooth stroke modulation;
5. Customizable configurations with multiple cylinder variants and mounting accessories;
6. High-temperature resistant sealing materials enable operational range of 0-150°C.
Category: Adjustable Cylinders | Brand: AirTAC | Series: SEJ
AirTAC SEJ40X500-20S Adjustable Cylinder Specifications
- Model: SEJ40X500-20S
- Type: Adjustable stroke single-acting cylinder
- Bore size: 40mm
- Stroke: 500mm (adjustable)
- Operating pressure: 0.05-1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushion type: Fixed rubber buffer + adjustable external stopper
- Port size: Rc1/8 (G1/8 optional)
- Rod end type: Double clevis with M20x1.5 thread
- Body material: Aluminum alloy (hard anodized)
- Rod material: Chrome-plated steel
- Seal material: NBR
- Weight: 3.8kg ±2%
- Dimensions (L×W×H): 630mm × 52mm × 52mm (retracted length)
- Max thrust: 123N @0.5MPa
- ISO standard: 6432
- Protection rating: IP54
Precision-adjustable pneumatic cylinder featuring dual-position locking mechanism with graduated scale for millimeter-level stroke control. The through-rod design allows external position feedback device installation. Optimized for heavy-duty cycles with wear-resistant scrape ring and integrated dust wiper.
- Automated welding positioners
- Paper converting machine tension control
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- Solar panel angle adjustment mechanisms
- Textile machinery clamp positioning
Installation note:
Lubricate guide rods with ISO VG32 hydraulic oil before initial operation.
For vertical mounting, install lock nut on adjustment screw to prevent
unintended stroke changes. Allow 20mm clearance behind cylinder for
full stroke adjustment.
| Property | Property Value |
|---|---|
| sku | SEJ40X500-20S |
| 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 | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 500mm |
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.