Airtac SEJ Adjustable Cylinder SEJ50X180-50
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 Series Adjustable Cylinder SEJ50X180-50 Technical Specifications
- Model: SEJ50X180-50
- Bore size: Ø50 mm
- Stroke: 180 mm (max)
- Adjustable stroke range: 0-50 mm (fine-tuning via external screw)
- Operating pressure: 0.15–0.8 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Front flange (ISO 15552 standard), optional foot mounting
- Port size: M12x1.25 (standard), G1/8 available on request
- Piston rod material: Chrome-plated steel (S45C)
- Cylinder tube: Anodized aluminum alloy
- Seal material: NBR (standard), optional FKM for high temp
- Weight: 2.85 kg (without accessories)
- Dimensions:
- Total length (retracted): 280 mm ±2mm
- Extended length: 460 mm (180mm stroke)
- Body width: 70 mm
- Mounting flange thickness: 15 mm
- Rod end thread: M20x1.5
High-precision adjustable stroke cylinder with mechanical position locking, featuring dual adjustable cushions for smooth deceleration. The modular design allows easy integration with position sensors (magnetizable piston). Built-in dust wiper prevents contamination in harsh environments.
- Variable position clamping in CNC tool changers
- Precision web tension control in printing machinery
- Adjustable stopper systems in automotive assembly lines
- Packaging machine product height adjustment mechanisms
- Glass cutting equipment with position compensation
Operation guidance:
Always lubricate with ISO VG32 turbine oil (1-2 drops per port) before initial use.
For fine adjustment: Loosen lock nut, rotate adjustment screw (1 full rotation = 2mm stroke change),
then retighten to 3.5±0.5 N·m torque. Avoid over-compression beyond marked scale.
| Property | Property Value |
|---|---|
| sku | SEJ50X180-50 |
| 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 | PT1/4 |
| Magnet | Non-magnetic |
| Bore Diameter | <50mm> |
| Stroke | 180mm |
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.