Airtac SEJ Adjustable Cylinder SEJ80X125-20
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 SEJ80X125-20 Technical Specifications
- Model: SEJ80X125-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø80 mm
- Stroke: 125 mm (adjustable)
- Operating pressure: 0.05-1.0 MPa
- Cushioning type: Adjustable elastic cushion (both ends)
- Mounting style: Basic type (MF1) with front thread
- Port size: Rc1/4 (NPT1/4 optional)
- Operating temperature: -20℃ to 80℃
- Piston rod material: Chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR + PU combination
- Weight: 3.8 kg ±2%
- Dimensions (L×W×H):
- Retracted length: 245 mm
- Extended length: 370 mm
- Mounting width: 105 mm
- Height with accessories: 92 mm
High-precision industrial cylinder featuring patented cushioning adjustment mechanism with 20° rotation range for fine-tuning stroke endpoints. The hardened piston rod (HRC 35-40) and multi-layered sealing system ensure over 3,000 km service life under standard conditions. Includes anti-rotation guide for stable linear motion in high-moment applications.
- Variable position clamping in CNC fixture systems
- Packaging line product height adjustment stations
- Die casting machine ejection force control
- Automotive welding jigs with position feedback
- Pharmaceutical tablet press compression units
Installation protocol:
Use M12×1.75 mounting bolts (Grade 8.8 or higher) with 45-50 N·m torque.
Lubricate with ISO VG32 hydraulic oil before initial operation. Maintain 0.3-0.6 MPa
air pressure during cushion adjustment for optimal performance.
| Property | Property Value |
|---|---|
| sku | SEJ80X125-20 |
| 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 | 125mm |
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.