Airtac SEJ Adjustable Cylinder SEJ80X830-30
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 SEJ80X830-30 Technical Specifications
- Model: SEJ80X830-30
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø80 mm
- Stroke: 830 mm (adjustable through built-in stopper)
- Operating pressure: 0.05-1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting type: Basic type (no pre-mounting accessories)
- Port size: Rc1/4 (G1/4 optional)
- Weight: 12.7 kg ±2%
- Dimensions:
- Extended length: 1,220 mm
- Retracted length: 390 mm
- Body diameter: 95 mm
- Rod diameter: Ø25 mm
- Material:
- Tube: Aluminum alloy (hard anodized)
- Piston rod: Chrome-plated steel
- Seals: NBR + PU combination
- Lubrication: Pre-lubricated (relubrication interval: 2,000 km)
- Protection rating: IP54 (standard wiper design)
High-precision industrial cylinder featuring stepless stroke adjustment capability through its unique mechanical stopper system. The SEJ series combines heavy-duty construction with precision machining, offering 0.1mm-level positioning repeatability. Includes wear-compensation seals and impact-absorbing end caps. Requires 40μm filtered air with ISO VG32 hydraulic oil mist lubrication (0.1-0.3 cc/min recommended).
- Variable-height positioning in packaging conveyor systems
- Press machine die height adjustment mechanisms
- Automated warehouse stacker crane lifts
- Solar panel tilt angle adjustment systems
- Plastic injection molding ejector control
Operation note:
Always engage position lock screws after stroke adjustment.
For full-stroke applications exceeding 700mm, install intermediate
support brackets every 400mm. Maximum side load capacity: 350N at rod end.
| Property | Property Value |
|---|---|
| sku | SEJ80X830-30 |
| Adjustable Stroke | 30mm |
| 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 | 830mm |
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.