Airtac SEJ Adjustable Cylinder SEJ40X300-10S
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 SEJ40X300-10S Adjustable Cylinder Specifications
- Model: SEJ40X300-10S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 300mm (adjustable)
- Operating pressure: 0.1–0.9 MPa
- Cushioning type: Adjustable rubber buffer (both ends)
- Mounting style: Basic type (optional accessories available)
- Port size: M5x0.8 (standard), G1/8 optional
- Piston rod material: Hardened stainless steel (Hard chrome-plated)
- Cylinder tube: Aluminum alloy with hard anodized surface
- Seal material: NBR (Nitrile rubber)
- Ambient temperature: -20℃ to +80℃
- Weight: Approximately 2.85kg (with rod)
- Dimensions: 380mm(L) × 42mm(W) × 42mm(H) (retracted)
- Rod thread: M10x1.25 (external)
- Protection rating: IP40
- Lubrication: Pre-lubricated (use ISO VG32 or equivalent)
High-precision adjustable stroke cylinder featuring a unique mechanical stopper system for millimeter-level positioning accuracy. The anodized aluminum construction provides corrosion resistance in humid environments, while the chrome-plated piston rod ensures smooth operation under side load conditions. Includes magnetic piston for sensor mounting (10S suffix indicates built-in sensor slot).
- Automated assembly line positioning systems
- Packaging machine stopper mechanisms
- CNC fixture tooling with variable workpiece sizes
- Textile machinery tension control
- Glass processing equipment positioning
Installation note:
Adjust stroke by rotating end cap (use 3mm hex key). Maximum lateral load 15N.
For vertical mounting, orient with rod end downward to minimize seal wear.
Requires 5μm filtered air with oil content below 0.5mg/m³.
| Property | Property Value |
|---|---|
| sku | SEJ40X300-10S |
| Adjustable Stroke | <10mm> |
| 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 | 300mm |
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.