Airtac SEJ Adjustable Cylinder SEJ80X50-40S
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 SEJ Adjustable Cylinder SEJ80X50-40S Technical Specifications
- Model: SEJ80X50-40S
- Bore size: Ø80 mm
- Stroke: 50 mm (adjustable)
- Mounting type: Fixed front flange (ISO 15552 standard)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: Rc1/4 (G1/4 optional)
- Piston rod thread: M20×1.5
- Ambient temperature: -10℃ to 70℃
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Seals: NBR + CR hybrid seals
- Weight: 3.8 kg ±2%
- Dimensions (L×W×H):
- Retracted: 250 mm
- Extended: 300 mm
- Flange width: 120 mm
- Overall height (with rod): 136 mm
Heavy-duty adjustable stroke cylinder with precision position locking mechanism. Features dual anti-rotation design and corrosion-resistant surface treatment (hard anodized barrel). Integrated magnet for position sensing compatibility. Lubricator-free operation with self-compensating wear resistance system.
- Die-casting machine ejection systems
- Automotive welding fixture positioning
- Plastic injection molding clamping
- Paper converting equipment actuators
- Automated palletizing height adjustment
Installation note:
Requires minimum 0.3 MPa initial pressure for stroke adjustment.
Lubricate piston rod weekly with ISO VG32 hydraulic oil in high-cycle applications (>500 cycles/hour).
Avoid side load exceeding 50N during operation.
| Property | Property Value |
|---|---|
| sku | SEJ80X50-40S |
| 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 | PT3/8 |
| Magnet | S-Magnetic |
| Bore Diameter | 80 mm |
| 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.