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 SEJ40X80-75 Technical Specifications
- Model: SEJ40X80-75
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 80mm (max)
- Adjustment range: 0-75mm (mechanical screw adjustment)
- Operating pressure: 0.15-1.0 MPa
- Temperature range: -20℃ to 80℃
- Port size: 1/4" NPT (M5x0.8 optional)
- Cushioning: Adjustable rubber buffer
- Mounting style: Basic foot mounting (ISO 15552 standard)
- Weight: 1.85kg ±2%
- Dimensions (L×W×H):
- Retracted: 200mm × 50mm × 50mm
- Extended: 280mm × 50mm × 50mm
- Material:
- Barrel: Aluminum alloy (hard anodized)
- Piston rod: Chrome-plated steel (Cr-Mo)
- Seal material: Nitrile Butadiene Rubber (NBR)
Precision-engineered adjustable stroke cylinder featuring dual-position mechanical locking mechanism with graduated scale (1mm increments). The through-rod design allows external stroke adjustment without disassembly. Corrosion-resistant construction with IP54 protection rating ensures reliable operation in humid environments. Requires 5μm filtered air with ISO VG32 lubrication.
- Variable height positioning in automated assembly lines
- Clamping force adjustment in CNC fixture systems
- Packaging machine product height compensation
- Printing press roller gap calibration
- Semiconductor handling equipment Z-axis control
| Property | Property Value |
|---|---|
| sku | SEJ40X80-75 |
| Adjustable Stroke | 75mm |
| 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 | 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.







