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 SEJ80X50-30S Technical Specifications
- Model Code: SEJ80X50-30S
- Type: Double-acting adjustable stroke cylinder with mechanical lock
- Bore size: 80mm (±0.1mm tolerance)
- Stroke: 50mm (adjustable within 0-50mm range)
- Operating pressure: 0.1-1.0 MPa
- Piston speed: 50-800mm/s (lubricated condition)
- Cushioning: Adjustable hydraulic shock absorber (both ends)
- Mounting style: Standard front flange with 4×M8 threaded holes
- Rod end thread: M20×1.5 external thread
- Port size: 1/4" NPT (G1/4 optional)
- Ambient temperature: -20℃ to 80℃
- Material: Barrel - Aluminum alloy AL6063-T5; Piston rod - Chrome-plated S45C
- Seals: HNBR/Nitrile compound (standard), Fluorocarbon available for high-temp
- Weight: 3.2kg ±5% (without accessories)
- Dimensions (L×W×H):
- Retracted: 180mm × 80mm × 80mm
- Extended: 230mm × 80mm × 80mm
- ISO Standard: 15552 compliant
Heavy-duty adjustable stroke cylinder featuring dual-cushion control with micrometer-style adjustment screws (2mm per rotation). The anodized barrel surface provides corrosion resistance, while the chrome-plated piston rod ensures smooth operation. Includes built-in magnet for position sensing compatibility. Requires ISO VG32 hydraulic oil for cushion adjustment mechanism.
- Press machine stroke limitation systems
- Automated welding fixture positioning
- Packaging line product height adjustment
- Die casting ejection force control
- Palletizing robot end-effector alignment

Property | Property Value |
---|---|
sku | SEJ80X50-30S |
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 | S-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.