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 SEJ100X40-30S Technical Specifications
- Model: SEJ100X40-30S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 100mm
- Stroke: 40mm (adjustable)
- Operating pressure: 0.05–1.0 MPa
- Piston speed: 50–800 mm/s
- Cushioning type: Adjustable elastic cushion (both ends)
- Port size: G3/8 (ISO standard)
- Mounting style: Front flange with threaded mounting holes (ISO 15552)
- Rod end type: External thread M20×1.5
- Piston material: Aluminum alloy with hard anodizing
- Seal material: NBR (nitrile rubber)
- Ambient temperature: -20℃ to 80℃
- Weight: 5.2 kg ±2%
- Dimensions (L×W×H): 220mm × 112mm × 112mm (full extension)
- Rod diameter: 25mm
- Protection class: IP54 (standard)
- Lubrication: Pre-lubricated (DOP mist compatible)
High-precision industrial cylinder featuring dual adjustable stroke control with mechanical locking mechanism. The SEJ100X40-30S combines hardened piston rods with chromium-plated surfaces (2-3μm thickness) for enhanced wear resistance in high-cycle applications. Includes built-in magnet for position sensing compatibility.
- Precision press fitting operations in assembly lines
- Variable height positioning in material handling systems
- Clamping force adjustment in CNC fixture setups
- Packaging machine ejection mechanisms
- Automated welding equipment positioners
| Property | Property Value |
|---|---|
| sku | SEJ100X40-30S |
| 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 | PT 1/2 |
| Magnet | S-Magnetic |
| Bore Diameter | 100mm |
| Stroke | <40mm> |
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.







