Airtac SEJ Adjustable Cylinder SEJ40X50-20
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 SEJ40X50-20 Adjustable Cylinder Specifications
- Model: SEJ40X50-20
- Bore size: 40mm
- Stroke: 50mm
- Mounting type: Compact ISO 6432 standard
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -20℃ to 80℃
- Cushion type: Adjustable rubber cushion (both ends)
- Piston speed: 50–1000 mm/s
- Seal material: NBR (nitrile rubber)
- Port size: 1/4" (G1/4)
- Rod thread: M10×1.25
- Weight: 1.2 kg (with standard accessories)
- Dimensions: 140mm(L) × 40mm(Bore diameter) × 32mm(Mounting hole spacing)
- Max lateral load capacity: 25N
- End cap material: Aluminum alloy with hard anodizing
- Rod material: Chrome-plated carbon steel
- ISO certification: 6432/DIN ISO 6431
High-precision adjustable pneumatic cylinder featuring dual-side cushioning control for smooth motion termination. The SEJ series incorporates a compact design with corrosion-resistant surface treatment, optimized for applications requiring precise stroke adjustment and position control. Includes built-in auto-lubrication design for maintenance-free operation when using lubricated air.
- Precision clamping fixtures in CNC machining centers
- Cartesian robot Z-axis positioning systems
- Pharmaceutical blister packaging machinery
- Electronics assembly press-fit operations
- Automated conveyor gate actuators
Installation note:
For optimal performance, maintain alignment tolerance within ±0.5mm during mounting.
Adjust cushion needles gradually (1/4 turn increments) while observing movement.
Requires 5μm filtered air with ISO 8573-1:2010 Class 3.4.2 air quality.
| Property | Property Value |
|---|---|
| sku | SEJ40X50-20 |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | <50mm> |
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.