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 SEJ40X450-100S Adjustable Cylinder Technical Specifications
- Model: SEJ40X450-100S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 450mm (±50mm adjustable range)
- Operating pressure: 0.15-1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Fixed (MF1 flange type)
- Port size: 1/4" NPT (G1/8 optional)
- Rod material: Chrome-plated carbon steel (HRC 35-45)
- Tube material: Aluminum alloy (anodized surface)
- Seal material: NBR (nitrile rubber)
- Weight: 3.8kg (excluding accessories)
- Dimensions (L×W×H): 650mm × 80mm × 80mm (max extended length)
- Rod thread: M16×1.5 (external)
- Position detection: Optional magnetic switch groove (4mm)
- ISO standard: 15552 compliant
High-precision adjustable stroke cylinder featuring micrometer-style stroke adjustment (±50mm) with locking mechanism. Equipped with dual cushioning control for smooth deceleration at stroke ends. The corrosion-resistant design includes IP67-rated wiper seals and integrated mounting slots for position sensors.
- Variable height positioning in automated assembly lines
- Press-fit operations with force control requirements
- Material handling systems requiring stroke flexibility
- Packaging machinery with adjustable compression depth
- Automotive welding jigs with adaptive positioning
- Standard cycle life: 5,000km travel distance (clean air)
- Rebuild interval: 2 years or 10 million cycles (whichever first)
- Replacement parts: Seal kit SEJ-SK40, Cushion ring CR40-2
| Property | Property Value |
|---|---|
| sku | SEJ40X450-100S |
| Adjustable Stroke | 100mm |
| 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 | 450mm |
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.







