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 SEJ100X70-40 Adjustable Cylinder Specifications
- Model: SEJ100X70-40
- Type: Double-acting adjustable stroke cylinder
- Bore diameter: 100mm
- Stroke length: 70mm (adjustable through external stopper)
- Operating pressure: 0.05–1.0 MPa
- Port size: G1/2 (NPT1/2 optional)
- Cushion type: Adjustable pneumatic cushion (both ends)
- Piston rod material: Chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal type: NBR rubber with wear-resistant ring
- Ambient temperature: -10℃ to 80℃
- Weight: 5.8kg (without accessories)
- Dimensions: 328mm(L) × 100mm(W) × 100mm(H) (fully retracted)
- Mounting style: Basic type (no built-in mounts)
- Rod end type: Female thread M20×1.5
- Lubrication: Pre-lubricated (oil-free operation possible)
High-precision adjustable stroke cylinder featuring external mechanical stoppers for position customization. The dual-cushion design minimizes end-impact noise while maintaining positioning accuracy within ±0.5mm. Anti-rotation design ensures stable load handling, with IP54-rated protection against particulate ingress.
- Variable height work platforms in assembly lines
- Pressure-sensitive clamping devices
- Packaging machine stroke adjustment mechanisms
- Automated material handling with position feedback systems
- Plastic injection molding ejector systems

Property | Property Value |
---|---|
sku | SEJ100X70-40 |
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 | PT 1/2 |
Magnet | Non-magnetic |
Bore Diameter | 100mm |
Stroke | 70mm |
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.