Airtac SEJ Adjustable Cylinder SEJ63X80-75
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 SEJ63X80-75 Adjustable Cylinder Specifications
- Model: SEJ63X80-75
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø63mm (±0.1mm tolerance)
- Stroke: 80mm (standard) with ±5mm adjustable range
- Adjustment mechanism: External mechanical stopper with locknut
- Operating pressure: 0.1–0.8 MPa
- Temperature range: -20℃ to 80℃
- Port size: PT1/4 (G1/4 optional)
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting style: Front/rear threaded (M12x1.25) or optional flange
- Material: Aluminum alloy barrel, chromium-plated piston rod
- Seal type: NBR seals with wear-resistant guide rings
- Weight: 2.3kg (excluding accessories)
- Dimensions: 242mm(L) × 82mm(W) × 82mm(H) (max extended length)
- Rod thread: M12x1.25 male thread
- Repeat positioning accuracy: ±0.5mm
Precision-adjustable pneumatic cylinder featuring dual-position mechanical stroke adjustment through rotating end caps. The through-rod design allows external position feedback device installation. Optimal for applications requiring mid-stroke position changes without reprogramming control systems.
- Variable height positioning in conveyor systems
- Tooling fixture adjustment in CNC machining centers
- Packaging machine product height compensation
- Press-fit assembly with depth control
- Automated warehouse stacker positioning
Installation note:
Lubricate piston rod with ISO VG32 hydraulic oil before initial use.
Maintain 0.3-1mm clearance between stopper and cylinder end during adjustment.
Use anti-vibration locknut compound on adjustment screws.
- Re-lubricate every 500,000 cycles or 6 months
- Inspect cushioning adjustment monthly
- Replace rod seals after 3,000km cumulative travel
| Property | Property Value |
|---|---|
| sku | SEJ63X80-75 |
| Adjustable Stroke | 75mm |
| 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 | 63mm |
| 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.