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 SEJ40X60-20S Adjustable Cylinder Specifications
- Model: SEJ40X60-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 60mm (adjustable range: ±20mm)
- Adjustment mechanism: External mechanical stopper with locknut
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Rubber buffer + external adjustable
- Port size: 1/4" NPT (G1/8 optional)
- Mounting style: Foot-mounted (ISO 15552 standard)
- Material: Aluminum alloy barrel, NBR seals
- Temperature range: -20℃ to 80℃
- Protection rating: IP40
- Weight: 1.8kg (including accessories)
- Dimensions (L×W×H): 180mm × 62mm × 62mm (full extension)
- Rod thread: M10×1.25 external thread
- Piston speed: 50–750mm/s
- Lubrication: Pre-lubricated (Grease-free operation)
Precision adjustable stroke cylinder featuring a rugged anodized aluminum construction with integrated shock absorption. The dual-position mechanical stopper enables ±20mm stroke adjustment without disassembly, making it ideal for applications requiring variable positioning. Features corrosion-resistant coating and low-friction seals for smooth operation in humid environments.
- Automated production line positioning systems
- Packaging machinery for variable product sizes
- Printing press roller engagement mechanisms
- Plastic injection mold clamping adjustments
- Automotive assembly line fixture positioning
- Standard seals: 5,000km travel distance
- High-durability option: 8,000km (SEJ40X60-20S-HD variant)
- Re-lubrication interval: 2 million cycles (using ISO VG32 hydraulic oil)
| Property | Property Value |
|---|---|
| sku | SEJ40X60-20S |
| 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 | PT1/4 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 60mm |
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.







