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 SEJ40X80-50S Adjustable Cylinder Specifications
- Model: SEJ40X80-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 80mm (adjustable via external stopper)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion
- Port size: 1/4" NPT (G1/8 optional)
- Rod material: Stainless steel (SUS304)
- Tube material: Aluminum alloy (hard anodized)
- Seal material: NBR + PU combination
- Temperature range: -20℃ to 80℃
- Weight: 1.25kg (excluding accessories)
- Dimensions: 160mm(L) × 50mm(W) × 50mm(H) (retracted position)
- Mounting type: Basic type (axial foot mounting holes M6×1.0)
- Rod end: Female thread M10×1.25
- IP rating: IP54 (standard wiper design)
Precision-adjustable cylinder featuring dual-position locking mechanism with ±0.5mm repeatability. The anodized barrel provides enhanced wear resistance, while the integrated shock absorber minimizes end-impact noise. Includes 5-position adjustable stroke collar with graduated scale for fine-tuning without disassembly.
- Precision positioning in semiconductor handling equipment
- Variable clamping force adjustment in CNC fixtures
- Packaging line product height compensation systems
- Automated door stroke limitation in cleanrooms
- Press tool depth control with quick-change setups
| Property | Property Value |
|---|---|
| sku | SEJ40X80-50S |
| 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 | <40mm> |
| Stroke | 80 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.







