Airtac SEJ Adjustable Cylinder SEJ80X80-20
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 SEJ Adjustable Cylinder SEJ80X80-20 Specifications
- Model: SEJ80X80-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: 80 mm
- Stroke: 80 mm (adjustable via external stop screws)
- Max adjustable stroke reduction: 20 mm (minimum effective stroke 60 mm)
- Operating pressure: 0.1–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: G1/2 (ISO 228 standard)
- Mounting style: ISO 15552 MF1 flange with front/rear mounting holes
- Tube material: Aluminum alloy with hard anodized surface
- Rod material: Chrome-plated carbon steel (HCP® anti-corrosion treatment)
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Weight: 5.8 kg (without accessories)
- Dimensions: 249mm(L) × 88mm(W) × 88mm(H) (at full extension)
- Rod thread: M20×1.5 male thread
- Piston speed: 50–800 mm/s (lubricated operation)
- ISO standard: 15552 compliant
High-precision adjustable stroke cylinder featuring dual locking nuts for position retention. The SEJ series combines a reinforced rod end design with triple sealing layers for leak-proof operation in dusty environments. Includes magnetic piston for sensor compatibility and anti-rotation guide for precise linear motion.
- Variable height positioning in automotive assembly jigs
- Packaging line product ejection systems
- Plastic injection molding machine core pulls
- Adjustable clamping in CNC fixture setups
- Printing press roller engagement mechanisms
Installation note:
For optimal performance, align adjustment screws symmetrically and lubricate with ISO VG32-grade oil.
Avoid side load exceeding 15% of maximum thrust. Regular re-tightening recommended during initial 50 operating hours.
| Property | Property Value |
|---|---|
| sku | SEJ80X80-20 |
| 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 | PT3/8 |
| Magnet | Non-magnetic |
| Bore Diameter | 80 mm |
| Stroke | 80 mm |
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.