Airtac SEJ Adjustable Cylinder SEJ63X40-20S
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 SEJ63X40-20S Technical Specifications
- Model: SEJ63X40-20S
- Bore size: 63 mm
- Stroke: 40 mm (±5mm adjustable)
- Mounting type: Basic type (Standardized foot & front flange)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion (dual-side)
- Port size: 1/4 NPT (G1/8 optional)
- Ambient temperature: -20℃ to +80℃
- Piston speed: 50–800 mm/s
- Material: Aluminum alloy barrel, CRCA steel rod
- Seal type: NBR/PU combination seals
- Weight: 2.8 kg (with standard accessories)
- Dimensions: 190mm(L) × 63mm(W) × 63mm(H) (at mid-stroke position)
- Rod end: M16×1.5 external thread
- Protection class: IP54 (standard wipers)
High-precision adjustable stroke cylinder featuring micrometer-style stroke adjustment mechanism (±5mm range) with locknut. The dual-cushion design minimizes end-impact in high-speed applications. Chrome-plated piston rod resists scoring and corrosion. Includes magnetic piston for sensor compatibility.
- Precision positioning in semiconductor handling equipment
- Variable height adjustment in packaging machinery
- Tooling fixture clamping with force control
- Automated assembly line part insertion
- Textile machinery tension control systems
Operation tip:
For optimal performance, lubricate with ISO VG32 hydraulic oil through
the air supply (1/1000 oil mist ratio recommended). Avoid full extension
adjustments under pressure to prevent thread damage.
| Property | Property Value |
|---|---|
| sku | SEJ63X40-20S |
| 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 | <40mm> |
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.