Airtac SEJ Adjustable Cylinder SEJ125X150-20S
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 SEJ125X150-20S Adjustable Stroke Cylinder Specifications
- Model: SEJ125X150-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 125mm
- Stroke: 150mm (adjustable)
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable rubber cushion (both ends)
- Mounting style: Basic type (no built-in mount)
- Port size: Rc1/2 (G1/2 optional)
- Operating temperature: -20℃ to 80℃
- Rod material: Chrome-plated steel
- Tube material: Aluminum alloy
- Seal material: NBR (nitrile rubber)
- Weight: ~12.5kg
- Dimensions: 335mm(L) × 125mm(W) × 125mm(H)
- Piston rod diameter: 35mm
- Maximum lateral load: 950N
- ISO standard: 6432 (mounting dimensions)
High-precision industrial cylinder featuring external stroke adjustment mechanism with ±1mm repeatability. The 20S variant includes dual-position magnetic sensors (NPN/PNP selectable) for position feedback. Corrosion-resistant design with IP54 protection rating ensures reliable operation in harsh environments.
- Automated production line positioning systems
- Die-casting machine ejector mechanisms
- Packaging equipment with variable product sizes
- Automotive assembly tooling fixtures
- Plastic injection molding machine core pulls
Installation note:
Use locknuts on adjustment screws after setting stroke length.
Lubricate through air port (ISO VG32 recommended) during initial setup.
Allow 50mm clearance for stroke adjustment mechanism maintenance.
| Property | Property Value |
|---|---|
| sku | SEJ125X150-20S |
| 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 | 150mm |
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.