Airtac SEJ Adjustable Cylinder SEJ80X50-40
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 SEJ80X50-40 Adjustable Cylinder Technical Specifications
- Model: SEJ80X50-40
- Bore size: 80mm
- Stroke: 50mm (±20mm adjustable range)
- Adjustment mechanism: External threaded stopper with locknut
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable elastic cushion (both ends)
- Mounting style: Standard MF1/MF2 foot mounting (optional flange/clevis)
- Rod end type: Female thread M30×1.5
- Tube material: Aluminum alloy with hard anodizing
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 3.7kg (without accessories)
- Dimensions:
- Extended length: 256mm
- Retracted length: 206mm
- Body diameter: 95mm
- Mounting base: 125mm×80mm
- ISO standard: 15552 (formerly ISO 6431)
Heavy-duty adjustable stroke cylinder featuring precision-machined end locks for position customization. The double-acting design includes wear-resistant guide bushings and chromium-plated piston rod (20μm thickness). Requires minimal lubrication with AirTAC PAG oil (ISO VG32 equivalent).
- Die casting machine ejection systems
- Automotive welding fixture positioning
- Packaging line product height adjustment
- Plastic injection molding clamp force control
- Material handling equipment stroke customization
Installation guidelines:
Align cylinder axis within 0.2mm angular misalignment tolerance.
Apply 242 Loctite® on adjustment threads during final positioning.
Maintain 50mm minimum clearance for stopper adjustment access.
| Property | Property Value |
|---|---|
| sku | SEJ80X50-40 |
| 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 | Non-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.