Airtac SEJ Adjustable Cylinder SEJ125X250-50S
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 SEJ125X250-50S Adjustable Cylinder Specifications
- Model: SEJ125X250-50S
- Type: Adjustable stroke double-acting cylinder
- Bore size: 125mm
- Stroke: 250mm (adjustable ±5mm)
- Adjustment mechanism: External screw-type stroke limiter
- Mounting style: Front/rear pivot brackets with cushion locknuts
- Operating pressure: 0.1-0.9 MPa
- Temperature range: -20℃ to 80℃
- Port size: 1/2" NPT (G1/2 optional)
- Seal material: Nitrile rubber (NBR) with wear-resistant guide rings
- Piston rod material: Chrome-plated carbon steel
- Cushioning: Adjustable air cushion at both ends
- Weight: 12.5kg (without accessories)
- Dimensions: 450mm(L) × 125mm(Ø) × 200mm(H) (max extended length)
- Accessories: Includes mounting brackets, cushion adjustment wrench
Heavy-duty adjustable stroke cylinder featuring precision-machined aluminum barrel and corrosion-resistant components. The dual cushioning system with micrometer-style adjustment enables precise end-position control, while the reinforced rod end accommodates radial loads. Designed for applications requiring variable stroke configuration without disassembly.
- Variable height positioning in packaging machinery
- Press tooling with adjustable clamping force
- Automated material handling systems
- Plastic injection molding ejectors
- Customizable lifting mechanisms
Installation note:
Lubricate rod weekly with ISO VG32 hydraulic oil. Maintain 0.5mm minimum
lateral clearance during alignment. Use locknuts with 25-30N·m torque.
Adjust cushion screws in 1/4 turn increments during commissioning.
| Property | Property Value |
|---|---|
| sku | SEJ125X250-50S |
| Adjustable Stroke | <50mm> |
| 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.