Airtac SEJ Adjustable Cylinder SEJ125X50-30
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 SEJ125X50-30 Adjustable Cylinder Specifications
- Model: SEJ125X50-30
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø125mm
- Stroke: 50mm (adjustable)
- Operating pressure: 0.05–1.0 MPa
- Mounting style: MF1 (front flange with mounting holes)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Piston speed: 50–750 mm/s
- Port size: G1/2
- Ambient temperature: -5℃ to 70℃
- Seal material: Polyurethane (PU) with wear-resistant ring
- Rod material: Chrome-plated steel (Cr-Mo)
- Weight: 3.8 kg (excluding accessories)
- Dimensions: 228mm(L) × 145mm(W) × 145mm(H)
- ISO standard: 15552 (VDMA 24562)
- Protection rating: IP54 (standard wiper design)
A heavy-duty adjustable stroke cylinder featuring precision-machined guide rods and dual-position locking mechanism. The SEJ series incorporates a unique stroke adjustment system with ±3mm micro-positioning capability through its threaded end caps. Its reinforced aluminum body with integrated mounting bosses ensures vibration resistance in high-cycle applications.
- Press machine die height adjustment systems
- Automated welding fixture positioning
- Palletizing robot end-of-arm tooling
- Injection molding machine ejector mechanisms
- Sheet metal bending equipment
Operation note:
For optimal performance, maintain lubrication via ISO VG32 hydraulic oil mist (1–2 drops/m³).
Adjust cushioning screws clockwise to increase damping force during stroke-end deceleration.
| Property | Property Value |
|---|---|
| sku | SEJ125X50-30 |
| Adjustable Stroke | 30mm |
| 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 | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | <50mm> |
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.