Airtac SEJ Adjustable Cylinder SEJ63X75-20S
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 SEJ63X75-20S Adjustable Cylinder Specifications
- Model: SEJ63X75-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 63mm
- Stroke: 75mm (standard), adjustable range: 20-75mm
- Adjustment mechanism: External thread screw with lock nut
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Rubber buffer + adjustable cushion screw
- Mounting style: Basic type (no built-in mounts)
- Port size: 1/4" NPT (G1/8 optional)
- Operating temperature: -10℃ to 80℃
- Seal material: NBR (Nitrile rubber)
- Piston rod material: Chrome-plated carbon steel
- Weight: 2.4kg ±3% (excluding accessories)
- Dimensions:
- Extended length: 198mm
- Retracted length: 123mm
- Body diameter: 63mm
- Rod end thread: M12×1.25
Precision-engineered adjustable stroke cylinder featuring dual-position mechanical stops for mid-stroke positioning. The hardened stainless steel guide bushing ensures precise linear motion, while the triple-seal design (rod seal, piston seal, wiper) provides exceptional leak resistance. Includes anti-rotation mechanism for stable load handling.
- Precision clamping fixtures with variable workpiece sizes
- Automated conveyor gate positioning systems
- Plastic injection molding ejector mechanisms
- Textile machinery tension control devices
- Semiconductor wafer handling robots
Operation tip:
Lubricate adjustment threads monthly with ISO VG32 hydraulic oil.
Always depressurize system before stroke adjustment. Maximum side load:
150N at full extension. Requires 40μm filtered air with oil mist (1 drop/m³).
| Property | Property Value |
|---|---|
| sku | SEJ63X75-20S |
| 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 | 75mm |
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.