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 SEJ125X450-10 Adjustable Cushioning Cylinder Specifications
- Model: SEJ125X450-10
- Bore size: 125mm
- Stroke: 450mm (±0.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Piston speed: 50–1000 mm/s
- Mounting style: Basic type (MF1)
- Port size: Rc1/4 (G1/4 optional)
- Rod end thread: M20×1.5
- Ambient temperature: -20℃ to 80℃
- Piston material: High-strength aluminum alloy (hard anodized)
- Rod material: Chrome-plated steel (Cr-Mo alloy)
- Seal type: NBR+PU combination seals
- Weight: 23.6kg (with rod)
- Dimensions: 682mm(L) × 136mm(W) × 136mm(H) (at mid-stroke position)
Heavy-duty adjustable cylinder with precision metered cushioning system, featuring dual adjustable needle valves for optimal deceleration control. The triple-lip rod seal ensures leak-free operation in high-cycle applications. Integrated wear bands maintain alignment stability under side load conditions.
- Press brake tool positioning systems
- Automotive welding fixture actuation
- Foundry equipment mold clamping
- Palletizing robot end-effector drives
- Steel coil handling equipment

Property | Property Value |
---|---|
sku | SEJ125X450-10 |
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 | Non-magnetic |
Bore Diameter | 125mm |
Stroke | 450mm |
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.