Airtac SEJ Adjustable Cylinder SEJ40X150-20S
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 SEJ40X150-20S Adjustable Cylinder Specifications
- Model: SEJ40X150-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 150mm (adjustable via stopper)
- Working pressure: 0.1-0.9 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Standard (basic type) with front flange option
- Port size: PT1/4 (NPT1/4 optional)
- Rod material: Chrome-plated carbon steel (STS420 equivalent)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Operating temperature: -20℃ to +80℃
- Protection rating: IP54 (standard), IP67 with optional wiper
- Weight: 1.85kg ±3%
- Dimensions:
- Extended length: 312mm
- Retracted length: 162mm
- Body diameter: 40mm
- Mounting base: 58mm × 58mm
- Stroke adjustment range: 0-150mm (mechanical stopper)
- Max theoretical thrust: 480N @0.63MPa
High-precision adjustable stroke cylinder featuring a dual-position locking mechanism for mid-stroke positioning. Equipped with wear-resistant guide bushings and integrated shock absorbers, optimized for repetitive positioning tasks. Includes magnetic piston for sensor compatibility (sensor not included).
- Precision clamping fixtures in CNC machining centers
- Variable height adjustment in automated assembly lines
- Material handling systems requiring position feedback
- Packaging machines with adjustable compression force
- Semiconductor wafer handling equipment
Installation notes:
- Lubricate with ISO VG32 turbine oil before operation
- Ensure perpendicular alignment of adjustment screws
- Maintain 0.5mm minimum clearance around magnetic sensor slots
- Re-torque mounting bolts after 50 operating cycles (2.5N·m)
| Property | Property Value |
|---|---|
| sku | SEJ40X150-20S |
| Adjustable Stroke | <20mm> |
| 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.