Airtac SEJ Adjustable Cylinder SEJ125X80-20
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 SEJ125X80-20 Adjustable Cylinder Specifications
- Model: SEJ125X80-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø125mm
- Stroke: 80mm (adjustable)
- Thread size: G3/4" (NPT optional)
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable rubber cushion
- Body material: Aluminum alloy (hard anodized)
- Rod material: Chrome-plated steel
- Seal material: NBR/PU combination
- Weight: 9.8kg ±3%
- Dimensions: 310mm(L) × 148mm(W) × 148mm(H)
- Mounting options: Basic type (MF1), front flange (MF3), rear clevis (MC2)
- ISO standard: 15552 compliant
High-precision industrial cylinder featuring dual-position stroke adjustment through external mechanical stops. The hardened piston rod and multi-layered sealing system ensure durability in high-cycle applications. Includes magnetic piston for position sensing compatibility. Requires 5-40μm filtered air with ISO 8573-1:2010 class 3.2.4 air quality.
- Die-casting machine ejection systems
- Automotive assembly line clamping units
- Paper converting equipment
- Plastic injection molding machine gates
- Heavy-duty material handling systems
Operation note:
Always lubricate through air supply (ISO VG32 equivalent oil mist) and
secure adjustment bolts with 25-30Nm torque after stroke setting.
Maximum side load capacity: 980N at mid-stroke.
| Property | Property Value |
|---|---|
| sku | SEJ125X80-20 |
| 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 | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | 80 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.