Airtac SEJ Adjustable Cylinder SEJ125X25-20S
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 SEJ125X25-20S Adjustable Stroke Cylinder Specifications
- Model: SEJ125X25-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø125mm
- Stroke: 25mm (adjustable range ±20mm)
- Operating pressure: 0.1–0.8 MPa
- Port size: PT1/2 (G1/2 optional)
- Mounting style: Front flange mounting (MF1)
- Cushioning: Adjustable pneumatic cushion
- Piston rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR
- Ambient temperature: -10℃ to 80℃
- Weight: 3.8kg (excluding accessories)
- Dimensions: 200mm(L) × 125mm(W) × 125mm(H)
- Protection rating: IP40
- Lubrication: Pre-lubricated (recommended oil mist lubrication)
High-precision adjustable stroke cylinder with micrometer-style positioning lock, featuring dual-axis end lock nuts for precise stroke adjustment (±20mm). The heavy-duty construction with double-sealed piston ensures reliable operation in high lateral load applications. Includes built-in magnet for position sensing compatibility.
- Precision clamping fixtures in CNC machining centers
- Variable height positioning in automated assembly lines
- Pressure adjustment mechanisms in plastic molding machines
- Material handling systems requiring force modulation
- Packaging equipment with adjustable compression settings
Installation note:
Use locknuts (included) to secure stroke adjustment mechanism after calibration.
Maintain 0.5mm minimum clearance between rod end and workpiece during shock loading applications.
Requires 5μm filtered air with ISO 8573-1:2010 Class 3.4.2 air quality.
| Property | Property Value |
|---|---|
| sku | SEJ125X25-20S |
| 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°C to 70°C Speed Range: 30 to 500 mm/s |
| Port Size | PT 1/2 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | <25 mm> |
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.