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 Series Adjustable Cylinder SEJ50X125-50S Technical Specifications
- Model: SEJ50X125-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50 mm
- Standard stroke: 125 mm
- Adjustment range: ±5 mm (total 10 mm stroke adjustment)
- Operating pressure: 0.05~0.8 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning type: Adjustable cushioning (both ends)
- Mounting style: Basic type (no built-in mounts)
- Port size: Rc1/4 (NPT1/4 optional)
- Rod material: Hard anodized aluminum alloy
- Tube material: Aluminum alloy with hard coat
- Seal material: NBR/PU compound seals
- Weight: 2.8 kg ±3%
- Dimensions (L×W×H):
- Extended length: 282 mm
- Retracted length: 157 mm
- Body diameter: Ø50 mm
- Rod end thread: M16×1.5
Precision-adjustable pneumatic cylinder featuring micro-stroke fine-tuning capability through integrated mechanical stops. The anodized surface treatment provides exceptional corrosion resistance in humid environments. Includes dual shock-absorbing chambers for smooth end-of-stroke deceleration, reducing impact noise by 15-20 dB compared to standard cylinders.
- Variable position clamping in CNC fixture systems
- Pressure-sensitive assembly operations (electronics PCB pressing)
- Web tension control in printing/converting machinery
- Height adjustment mechanisms for packaging fillers
- Precision glass handling systems (photovoltaic panel production)
- Loosen both lock nuts (M10) using 14mm wrench
- Rotate adjustment screws (max 5 full turns)
- Test stroke with 0.3MPa air pressure
- Re-tighten nuts to 4.5±0.5 N·m torque
| Property | Property Value |
|---|---|
| sku | SEJ50X125-50S |
| Adjustable Stroke | <50mm> |
| 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 | <50mm> |
| 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.







