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 SEJ63X60-20S Technical Specifications
- Model: SEJ63X60-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 63mm (±0.1mm tolerance)
- Stroke: 60mm (base stroke), ±20mm adjustable range
- Operating pressure: 0.05-0.8 MPa
- Cushioning: Rubber buffer + adjustable screw mechanism
- Mounting style: Standard foot mounting (MF1) with front flange option
- Port size: M5x0.8 (1/8") dual ports
- Piston rod material: SUS304 stainless steel (chrome-plated)
- Cylinder tube: Aluminum alloy with hard anodized finish
- Seal material: NBR (Nitrile) for standard temperature
- Temperature range: -20℃ to +80℃ (extended range with FKM seals)
- Weight: 1.8kg (excluding accessories)
- Dimensions: 160mm(L) × 63mm(W) × 63mm(H) (full extension)
- Rod end thread: M10x1.25 (female)
- Lubrication: Pre-lubricated (Grease-free operation possible)
- Repeat positioning accuracy: ±0.5mm
Precision-engineered adjustable stroke cylinder featuring dual-position mechanical stops for mid-stroke positioning. The hexagonal adjustment screws enable ±20mm stroke modification without disassembly. Corrosion-resistant construction with IP54 protection rating makes it suitable for harsh environments. Includes built-in magnetic sensor slots (M5 mounting) for position feedback integration.
- Automated production line positioning jigs
- Packaging machine stroke adjustment mechanisms
- Plastic injection molding ejector systems
- Semiconductor handling equipment
- Printing press paper feed adjustments
- Automotive assembly tooling

Property | Property Value |
---|---|
sku | SEJ63X60-20S |
Adjustable Stroke | <20mm> |
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 | 63mm |
Stroke | 60mm |
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.