Airtac SEJ Adjustable Cylinder SEJ80X140-50S
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 SEJ80X140-50S Technical Details
- Model: SEJ80X140-50S
- Type: Double-rod adjustable stroke cylinder
- Bore size: 80mm (±0.1mm tolerance)
- Stroke length: 140mm (adjustable ±5mm)
- Operating pressure: 0.05-1.0 MPa
- Cushioning type: Adjustable elastic cushion (both ends)
- Mounting style: Front flange MA3/MS3 optional
- Rod diameter: 25mm (chrome-plated steel)
- Operating temperature: -20℃ to 80℃
- Port size: G3/8 (BSPP thread)
- Tubing connection: 12mm OD push-in fitting
- Body material: Aluminum alloy (anodized surface)
- Seal type: NBR+PU hybrid seals
- Weight: 4.2kg ±3% (without accessories)
- Dimensions: 250mm(L) × 120mm(W) × 100mm(H)
- Repeat accuracy: ±0.5mm
- Max piston speed: 700mm/s
- Protection class: IP54 (standard wiper design)
Heavy-duty adjustable cylinder with dual guided rods and position-locking mechanism. Features precision-ground piston rods with chrome coating (3-5μm thickness) for wear resistance. The 50S variant includes enhanced cushioning adjustment screws with hex socket heads and vibration-resistant lock nuts. Requires ISO 8573-1 class 3 compressed air.
- Variable height positioning in automotive welding jigs
- Pressure adjustment systems for plastic injection molds
- Material handling equipment with adjustable clamping force
- Printing machinery paper thickness compensation
- Food processing line product height alignment
Installation guidance:
Lubricate with ISO VG32 hydraulic oil before initial operation.
For vertical mounting, install auxiliary rod support brackets when
handling loads exceeding 15kg. Maintain 0.3-0.5mm clearance between
stopper plates during stroke adjustment.
| Property | Property Value |
|---|---|
| sku | SEJ80X140-50S |
| Adjustable Stroke | <50mm> |
| 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 | S-Magnetic |
| Bore Diameter | 80 mm |
| Stroke | <140mm> |
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.