Airtac SEJ Adjustable Cylinder SEJ40X150-40S
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 SEJ40X150-40S Adjustable Stroke Cylinder Specifications
- Model: SEJ40X150-40S
- Bore size: 40mm
- Stroke: 150mm (adjustable)
- Operating pressure: 0.15–0.8 MPa
- Operating medium: Dry air (ISO8573-1:2010 Class 3.4.3)
- Ambient temperature: -20℃ to 80℃
- Cushion type: Adjustable rubber cushion (both ends)
- Mounting style: 40S (front flange with integrated mounting slots)
- Port size: 1/4" NPT (dual ports at both ends)
- Piston rod material: Chrome-plated steel (S45C)
- Cylinder tube: Anodized aluminum alloy
- Seal material: NBR + Polyurethane (wear-resistant design)
- Weight: 1.65kg ±2%
- Dimensions (L×W×H): 250mm × 42mm × 42mm (extended length)
- Rod end thread: M10×1.25 (male)
- Repeat positioning accuracy: ±0.2mm
- Max theoretical thrust: 502N @0.6MPa
Precision adjustable stroke cylinder featuring dual-axis position locking screws for micrometer-level stroke adjustment (±5mm range). Integrated shock absorption system reduces end-impact noise by 15dB compared to standard models. Optional magnetic piston version (SEJ40X150-40S/M) available for position feedback.
- Packaging line product positioning gates
- Automotive component press-fit operations
- Semiconductor wafer handling robots
- Textile machinery tension control systems
- Precision clamping in CNC fixture setups
Installation guidelines:
For optimal performance, maintain ≤0.5mm alignment tolerance during mounting.
Lubricate rod weekly with ISO VG32 hydraulic oil in high-cycle applications (>500 cycles/min).
Stroke adjustment requires 2.5mm hex key (included).
| Property | Property Value |
|---|---|
| sku | SEJ40X150-40S |
| Adjustable Stroke | <40mm> |
| 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.