Airtac SEJ Adjustable Cylinder SEJ40X150-75S
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 SEJ40X150-75S Adjustable Cylinder Specifications
- Model: SEJ40X150-75S
- Type: Double-acting adjustable stroke cylinder
- Bore diameter: 40mm
- Stroke length: 150mm (maximum)
- Adjustment range: 0-75mm (50% stroke reduction capability)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable elastic cushioning at both ends
- Mounting style: Standard foot mounting (ISO 15552 compliant)
- Port size: M5x0.8 (1/8" NPT optional)
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: High-temperature NBR (Nitrile rubber)
- Operating temperature: -20℃ to 80℃ (dry air required below 0℃)
- Weight: 2.8kg ±3% (including mounting accessories)
- Dimensions:
- Body length: 275mm (fully retracted)
- Extended length: 425mm (maximum stroke)
- Width (foot mounting base): 52mm
- Height (including rod): 63mm
Heavy-duty adjustable stroke cylinder featuring a unique mechanical locking mechanism for precise stroke control. The SEJ series combines position feedback capability with manual stroke adjustment through its rotating external collar. Integrated cushioning adjustment screws allow fine-tuning of end-position deceleration. Corrosion-resistant construction with IP54 protection rating ensures reliable operation in dusty environments.
- Variable height positioning in automated assembly lines
- Material handling systems requiring adjustable clamping force
- Packaging machinery with variable product sizes
- Press-fit operations in automotive component assembly
- Electronics manufacturing with precision insertion tasks
Installation note:
Maintain 0.5-1mm clearance between adjustment collar and mechanical stops during setup.
Lubricate with ISO VG32 hydraulic oil if used in high-cycle applications (>500,000 cycles/year).
Requires 5μm filtered air with dew point -20℃ below ambient temperature.
| Property | Property Value |
|---|---|
| sku | SEJ40X150-75S |
| 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 | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 150mm |
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.