Airtac SEJ Adjustable Cylinder SEJ80X120-50S
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 SEJ Adjustable Cylinder SEJ80X120-50S Technical Specifications
- Model: SEJ80X120-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø80mm
- Standard stroke: 120mm
- Adjustable stroke range: 50-120mm (±25mm from center)
- Mounting style: Basic type (no built-in mounting)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable elastic cushion (both ends)
- Port size: Rc1/4 (NPT1/4 optional)
- Piston rod thread: M20×1.5
- Material:
- Tube: Aluminum alloy hard anodized
- Piston rod: Chrome-plated steel
- End caps: Cast aluminum
- Temperature range: -20℃ to 80℃
- Protection rating: IP54 (standard), IP67 (optional)
- Weight: 3.8kg ±2%
- Dimensions:
- Basic length: 254mm (at mid-stroke position)
- Max extended length: 304mm
- Body diameter: Ø92mm
- Mounting face width: 110mm
Precision-adjustable pneumatic cylinder featuring unique mechanical stroke adjustment mechanism with position lock nuts. The through-rod design allows external stroke indication and mechanical hard stop adjustment. Special wear-resistant guide rings ensure stable operation under side load conditions. Compatible with magnetic sensors (sensor groove included).
- Variable position clamping fixtures in CNC machining centers
- Adjustable lifting mechanisms in automated assembly lines
- Precision material feeding systems with variable stroke requirements
- Packaging machine pusher mechanisms requiring position fine-tuning
- Automotive welding jigs with multiple positioning points
- Printing press roller engagement controls
Installation note:
Always lubricate with ISO VG32 hydraulic oil before initial operation.
Use locknuts on both ends of adjustment screws after positioning.
Maximum side load capacity 250N at mid-stroke. Align cylinder axis within ±0.5° of load direction.
| Property | Property Value |
|---|---|
| sku | SEJ80X120-50S |
| 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:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT3/8 |
| Magnet | S-Magnetic |
| Bore Diameter | 80 mm |
| Stroke | 120mm |
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.