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 SEJ40X125-30S Adjustable Cylinder Specifications
- Model: SEJ40X125-30S
- Type: Adjustable cushion double-acting cylinder
- Bore size: 40mm
- Stroke: 125mm (±0.5mm tolerance)
- Operating pressure: 0.15–0.9 MPa (21.7–130.5 PSI)
- Cushion type: External adjustable (both ends)
- Mounting style: Front flange with magnetic switch slot (ISO 15552 standard)
- Port size: M5x0.8 (G1/8 adaptor optional)
- Piston rod thread: M12x1.25
- Operating temperature: -20℃ to 80℃ (-4°F to 176°F)
- Material: Aluminum alloy barrel, chrome-plated steel piston rod
- Seal material: Heat-resistant NBR (Nitrile rubber)
- Weight: 0.92kg (2.03 lbs)
- Dimensions: 205mm(L) × 40mm(Bore) × 50mm(Mounting height)
- Stroke tolerance compensation: ±1mm adjustable via cushion screws
Precision-engineered ISO cylinder with dual adjustable pneumatic cushions, featuring integrated T-slot for magnetic sensors (PNP/NPN compatible). The anodized barrel surface provides enhanced corrosion resistance for humid environments. Includes built-in auto-lubrication design for maintenance-free operation up to 2,000km travel distance.
- Packaging machinery ejection systems
- CNC machine tool clamping devices
- Automated conveyor sorting arms
- Plastic injection molding ejectors
- Automotive assembly positioning units
| Property | Property Value |
|---|---|
| sku | SEJ40X125-30S |
| 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 | 125mm |
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.





