Airtac SEJ Adjustable Cylinder SEJ63X75-20SFTC
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 SEJ63X75-20SFTC Adjustable Cylinder Specifications
- Model: SEJ63X75-20SFTC
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø63mm (ISO standard)
- Stroke: 75mm (adjustable via mechanical stopper)
- Operating pressure: 0.05–1.0 MPa
- Medium: Dry air (lubricated or non-lubricated)
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting style: Front flange (ISO 15552 MF1 type)
- Sensor type: Built-in magnet for proximity switch (Reed sensor compatible)
- Port size: G1/4 (BSPP thread)
- Temperature range: -20℃ to 80℃
- Rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Weight: ~3.8kg (excluding accessories)
- Dimensions:
- Extended length: 223mm
- Retracted length: 148mm
- Body diameter: Ø63mm
- Rod diameter: Ø20mm
Precision-engineered adjustable stroke cylinder featuring twin adjustable cushions for smooth deceleration. The anodized body provides corrosion resistance in humid environments, while the chrome-plated rod ensures low friction operation. Includes integrated magnet for position feedback and standardized mounting patterns for easy integration.
- Variable stroke press mechanisms in assembly lines
- Material handling systems requiring precise positioning
- Packaging machinery with space-constrained stroke adjustment
- Automated welding fixtures needing impact absorption
- Semiconductor equipment requiring contamination-resistant design
Installation note:
Adjust cushion screws while pressurized for optimal deceleration tuning.
Maintain 0.5mm minimum clearance between stopper and piston during adjustment.
Lubricate rod weekly in high-cycle applications (>500,000 cycles/month).
| Property | Property Value |
|---|---|
| sku | SEJ63X75-20SFTC |
| 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.