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 SEJ63X200-40S Adjustable Cylinder Specifications
- Model: SEJ63X200-40S
- Type: Adjustable stroke double-acting cylinder
- Bore size: 63mm
- Stroke: 200mm (adjustable range: ±2mm via external screw)
- Operating pressure: 0.15–0.8 MPa
- Cushioning: Elastic buffer with adjustable damping
- Stroke adjustment: External thread mechanism with locknut
- Port size: G1/4 (NPT1/4 optional)
- Mounting style: Basic type (no built-in mounts)
- Temperature range: -20℃ to 80℃
- Material: Aluminum alloy barrel, chrome-plated steel piston rod
- Seal material: NBR (nitrile rubber)
- Weight: 3.8kg (without accessories)
- Dimensions: 300mm(L) × 110mm(W) × 110mm(H) (at full extension)
- Rod end thread: M16×1.5
- Maximum speed: 500mm/s
Precision-adjustable pneumatic cylinder featuring micrometer-style stroke adjustment (±2mm) through its external calibration screw. The dual cushioning system minimizes end-impact noise while maintaining positioning repeatability within ±0.5mm. Anodized barrel surface resists corrosion in humid environments.
- Precision press-fitting operations in automotive assembly
- Variable height positioning in packaging machinery
- Clamping force adjustment in CNC fixture systems
- Printing press roller engagement mechanisms
- Semiconductor handling equipment with Z-axis fine-tuning

Property | Property Value |
---|---|
sku | SEJ63X200-40S |
Adjustable Stroke | <40mm> |
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 | <200mm> |
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.