Airtac SEJ Adjustable Cylinder SEJ100X250-40S
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 SEJ100X250-40S Adjustable Cylinder Specifications
- Model: SEJ100X250-40S
- Type: Double-acting adjustable stroke cylinder with cushioning
- Bore size: Ø100 mm
- Stroke: 250 mm (adjustable via external stopper)
- Operating pressure: 0.1–0.9 MPa
- Port thread: Rc1/2 (G1/2 optional)
- Cushioning type: External adjustable rubber bumper (40S code)
- Piston rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile) with wear-resistant ring
- Temperature range: -20℃ to 80℃
- Weight: 5.8 kg (excluding accessories)
- Dimensions: 300mm(L) × 100mm(Ø) × 120mm(Mounting width)
- Protection rating: IP54 (standard wiper design)
- Max thrust: 706 N @0.63 MPa
- Lubrication: Pre-lubricated (Optional oil-free operation)
High-precision industrial cylinder featuring dual shock absorption with 320° adjustable cushioning nuts. The 40S variant includes reinforced end caps and anti-rotation guide slots for vertical applications. Designed for heavy-duty cycles with 5,000km minimum service life under standard conditions. Requires 5μm filtered air and periodic lubrication (every 3 months in continuous use).
- Press machine stroke control systems
- Automated palletizing height adjustment
- Injection molding ejector mechanisms
- Steel coil handling equipment
- Textile machinery tension control
Installation note:
Mounting axis tolerance ≤0.2mm/m. For vertical installations exceeding 45° angle,
use auxiliary support brackets (sold separately). Cushion adjustment requires
15-20 full test cycles for optimal setting.
| Property | Property Value |
|---|---|
| sku | SEJ100X250-40S |
| Adjustable Stroke | <40mm> |
| 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 | PT 1/2 |
| Magnet | S-Magnetic |
| Bore Diameter | 100mm |
| 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.