Airtac SEJ Adjustable Cylinder SEJ125X250-10S
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 SEJ125X250-10S Adjustable Cylinder Specifications
- Model: SEJ125X250-10S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 125mm
- Stroke: 250mm (mechanically adjustable)
- Mounting style: Standard MF1 flange mounting
- Operating pressure: 0.05–0.8 MPa
- Cushioning: Air cushion adjustable (both ends)
- Port size: 1/2" NPT (G3/8 optional)
- Seal material: NBR + PU combination
- Temperature range: -20℃ to 80℃
- Protection rating: IP40 (IP67 with optional wiper)
- Repeat positioning accuracy: ±0.5mm
- Max piston speed: 500mm/s
- Weight: 10.5kg (without accessories)
- Dimensions: 400mm(L) × 180mm(W) × 180mm(H) (fully retracted)
Heavy-duty adjustable stroke cylinder with precision-ground chrome-plated rod and aluminum alloy end caps. Features dual-position locking mechanism with graduated scale for stroke adjustment (±5mm fine-tuning capability). Includes built-in magnetic sensor slot for position feedback. Designed for high-moment load applications requiring mid-stroke positioning.
- Variable height work platforms in automotive assembly
- Press brake tooling positioning systems
- Palletizing robot end-effector adjustment
- Sheet metal bending machine stroke control
- Die casting machine ejector mechanisms
Operation note:
Always degrease piston rod before initial use. Lubricate with ISO VG32 hydraulic oil.
For stroke adjustment: Loosen lock nut, rotate adjustment screw (1 full turn = 2mm stroke change),
then torque lock nut to 35N·m. Avoid exceeding 80% of max stroke during continuous operation.
| Property | Property Value |
|---|---|
| sku | SEJ125X250-10S |
| Adjustable Stroke | <10mm> |
| 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 | <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.