Airtac SEJ Adjustable Cylinder SEJ40X120-40S
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 SEJ40X120-40S Adjustable Cylinder Specifications
- Model: SEJ40X120-40S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 120mm (adjustable)
- Rod diameter: 16mm
- Operating pressure: 0.15–0.8 MPa
- Port size: 1/4" NPT (G1/8 optional)
- Cushioning: Adjustable rubber buffers on both ends
- Body material: Aluminum alloy (anodized)
- Rod material: Chrome-plated steel
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 2.48kg ±3%
- Dimensions (L×W×H): 240mm × 50mm × 50mm (extended length)
- Mounting type: Standard foot mounting (ISO 15552)
- Protection rating: IP54 (standard), IP67 optional
Precision-engineered adjustable stroke cylinder featuring micro-positioning capability through its unique threaded rod design. The dual chrome-plated piston rod enhances corrosion resistance, while the anti-rotation mechanism ensures stable linear motion. Requires 5μm filtered air and ISO VG32 hydraulic oil lubrication for optimal performance.
- Precision clamping fixtures in CNC machining centers
- Variable height positioning in automated assembly lines
- Material handling with adjustable gripping depths
- Packaging machine stroke adjustment systems
- Semiconductor equipment requiring micron-level positioning
Installation note:
Locking nut torque must be maintained at 8-10 N·m after stroke adjustment.
Use M5×0.8 hex socket screws for mounting. Lubricate adjustment threads monthly with MIL-PRF-81322 grease.
| Property | Property Value |
|---|---|
| sku | SEJ40X120-40S |
| 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 | 120mm |
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.