Airtac SEJ Adjustable Cylinder SEJ40X50-30S
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 SEJ40X50-30S Adjustable Miniature Cylinder Specifications
- Model: SEJ40X50-30S
- Bore size: 40mm
- Stroke: 50mm (adjustable)
- Operation type: Double-acting
- Operating pressure: 0.05–0.9 MPa
- Ambient temperature: -20℃ to 80℃
- Piston speed: 50–700 mm/s
- Cushioning: Adjustable rubber buffer (both ends)
- Mounting type: Basic type (axial foot mounting holes)
- Port size: M5x0.8 (standard) / NPT1/8 (optional)
- Rod end type: Female thread M10x1.25
- Seal material: NBR (Nitrile rubber)
- Body material: Anodized aluminum alloy
- Weight: 0.83 kg (complete assembly)
- Dimensions:
- Extended length: 163mm
- Retracted length: 113mm
- Body diameter: 40mm (nominal)
- Mounting hole spacing: 32mm (center-to-center)
Compact adjustable stroke cylinder with precision positioning capability, featuring dual-position locking screws for stroke adjustment (±1mm accuracy). The anodized surface provides corrosion resistance in humid environments. Integrated cushioning prevents end-impact damage during high-speed operation. Compatible with auto-switch sensors for position feedback.
- Precision clamping fixtures in CNC machining centers
- Label positioning mechanisms in packaging lines
- Valve actuation in chemical dosing systems
- Z-axis adjustment in 3D printing/pick-and-place machines
- Automated test equipment with stroke calibration
Installation note:
Lubricate with ISO VG32 hydraulic oil before initial use.
For stroke adjustment: Loosen locknut, turn adjustment screw (1mm per full rotation),
then re-tighten to 0.7–1.2 N·m torque. Maintain 0.5mm minimum residual stroke.
| Property | Property Value |
|---|---|
| sku | SEJ40X50-30S |
| Adjustable Stroke | 30mm |
| 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 | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | <50mm> |
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.