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 SEJ40X25-10 Technical Details
- Model: SEJ40X25-10 (Standard Adjustable Stroke Series)
- Bore size: Φ40mm
- Stroke: 25mm ±1mm (Adjustable cushion range: 0-10mm)
- Operating pressure: 0.1~0.9 MPa
- Medium: Clean air (Lubricated or non-lubricated)
- Ambient temperature: -20℃ to 80℃
- Piston speed: 50~800 mm/s
- Mounting type: Basic (Standardized front/rear flange options)
- Cushioning: External adjustable rubber bumper (5-stage adjustment)
- Rod end: Female thread M16×1.5
- Material: Aluminum alloy body, CRMo steel piston rod
- Seal type: NBR + PU combination seals
- Weight: 1.8 kg ±3% (Without accessories)
- Dimensions: 178mm(L) × 55mm(W) × 55mm(H) (Full extension length)
- Protection class: IP40 (Dust protected)
- ISO compliance: 6432 standard
Precision-engineered adjustable stroke cylinder featuring micro-positioning capability through its patented cushion lock mechanism. The anodized surface treatment provides corrosion resistance for humid environments. Dual-purpose lubrication ports allow both oil and grease supply. Optional magnetic piston version available (SEJ40X25-10-M) for position sensing.
- CNC machine tool clamping mechanisms
- Pharmaceutical tablet press ejection systems
- Automated conveyor gate positioning
- Plastic injection molding ejectors
- Precision paper cutting machinery
- Battery assembly line press-fitting
| Property | Property Value |
|---|---|
| sku | SEJ40X25-10 |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | <25 mm> |
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.







