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 SEJ63X75-20 Double Rod Adjustable Cushion Cylinder Specifications
- Model: SEJ63X75-20
- Type: Double rod cylinder with adjustable cushion
- Bore size: 63 mm
- Stroke: 75 mm
- Operating pressure: 0.1-0.9 MPa
- Port size: Rc1/4 (NPT1/4 optional)
- Cushion type: Adjustable rubber cushion (both ends)
- Piston rod material: Chrome-plated carbon steel (HRC 35-45)
- Tube material: Aluminum alloy with hard anodized surface
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 2.7 kg (dry, without accessories)
- Dimensions: 195mm(L) × 63mm(W) × 63mm(H) (excluding mounting brackets)
- Mounting type: Front flange mounting (ISO 15552 standard)
- Piston rod thread: M12×1.25 (both ends)
- Max theoretical force: 280N @0.63MPa
- Lubrication: Pre-lubricated (relubrication interval: 2000km)
High-precision industrial cylinder featuring dual adjustable rubber cushions for smooth stroke termination. The hardened piston rod and double-bearing design ensure exceptional lateral load capacity (up to 30% of maximum thrust). Integrated mounting slots allow direct installation to ISO 15552-compliant systems. Requires filtered air (5-40μm) with 1ppm max oil content.
- Precision positioning in CNC tool changers
- Clamping mechanisms in injection molding machines
- Vertical lifting systems for conveyor transfers
- Packaging machine product stoppers
- Automated welding fixture positioning

Property | Property Value |
---|---|
sku | SEJ63X75-20 |
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 | Non-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.