Airtac SEJ Adjustable Cylinder SEJ50X200-100
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 SEJ50X200-100 Technical Details
- Model: SEJ50X200-100
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50 mm
- Standard stroke: 200 mm
- Adjustment range: 0-100 mm (external stroke adjustment)
- Operating pressure: 0.05-1.0 MPa
- Temperature range: -20℃ to 80℃
- Port size: M5x0.8 (G1/8 optional)
- Mounting style: Front/rear threaded (M12x1.25) or optional flange
- Rod material: Chrome-plated carbon steel (S45C)
- Cylinder tube: Aluminum alloy with hard anodized surface
- Cushioning: Adjustable rubber buffers at both ends
- Repeat positioning accuracy: ±0.5 mm
- Weight: Approximately 3.8 kg (without accessories)
- Dimensions (L×W×H):
- Basic length: 340 mm (stroke 200mm + adjustment range)
- Body diameter: Ø50 mm
- Rod end thread: M12x1.25 length 18mm
Precision-adjustable pneumatic cylinder featuring external stroke adjustment mechanism with lockable setting. The SEJ50 model combines 200mm base stroke with additional 100mm fine-tuning capability through a rotating collar with graduated scale (1mm increments). Includes magnetic piston for position sensing compatibility. Sealed with high-wear resistance NBR seals for maintenance-free operation.
- Variable height positioning in automated assembly lines
- Material handling systems requiring adjustable clamping force
- Packaging machinery with product size changeovers
- Die-casting machine ejector stroke adjustment
- Precision press-fit operations in automotive manufacturing
Operation Tip:
Always depressurize before adjusting stroke. For precise settings, rotate adjustment collar while observing the engraved scale. Apply thread locker (medium strength) after final position determination. Recommended lubrication: ISO VG32 turbine oil.
- Allow minimum 5mm clearance around adjustment mechanism
- Max lateral load: 150N at full extension
- For vertical mounting, use counterbalance valve when handling >5kg loads
- Ambient contamination level must not exceed ISO 8573-1:2010 Class 3
| Property | Property Value |
|---|---|
| sku | SEJ50X200-100 |
| Adjustable Stroke | 100mm |
| 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 | <50mm> |
| Stroke | <200mm> |
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.