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 Series Adjustable Cylinder SEJ63X75-50 Technical Details
- Model: SEJ63X75-50
- Type: Double rod adjustable cylinder (stroke-adjustable)
- Bore size: 63mm
- Stroke: 75mm (±2mm adjustable range)
- Stroke adjustment: 50mm maximum fine-tuning capacity
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -10℃ to 80℃
- Buffer type: Adjustable pneumatic cushion
- Mounting style: Front flange/base mount (optional side mounting kits)
- Port size: G1/8 (NPT1/8 available on request)
- Cylinder tube material: Anodized aluminum alloy (AL6063-T5)
- Piston rod material: Chrome-plated steel (S45C)
- Seal material: Polyurethane (NBR optional)
- Weight: 2.8kg (without accessories)
- Dimensions:
- Body length: 233mm (minimum retracted length)
- Total stroke length: 308mm (75mm stroke)
- Rod diameter: 20mm (per rod)
- Mounting base width: 83mm
- Height with rods: 105mm
High-precision positioning cylinder with dual hardened guide rods and micrometer-style stroke adjustment. Features integrated locknuts for position retention and corrosion-resistant construction. The symmetrical rod design minimizes lateral deflection during high-cycle operations (up to 1,500,000 cycles @ 0.5MPa). Requires ISO 8573-1:2010 Class 3 lubricated air.
- Precision press fitting in automotive assembly lines
- Variable height positioning for CNC workpiece clamping
- Adjustable stopper mechanisms in packaging conveyors
- Plastic injection molding ejector systems
- Semiconductor wafer handling equipment

Property | Property Value |
---|---|
sku | SEJ63X75-50 |
Adjustable Stroke | <50mm> |
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.