Airtac SEJ Adjustable Cylinder SEJ40X750-20S
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 Stroke Cylinder SEJ40X750-20S Technical Details
- Model Code: SEJ40X750-20S
- Bore Size: 40mm
- Stroke Length: 750mm (adjustable)
- Mounting Type: MF1 (Standard front flange)
- Rod End: External thread M16×1.5
- Operating Pressure: 0.05-1.0 MPa
- Ambient Temperature: -20℃ to 80℃
- Cushion Type: Rubber buffer + adjustable screw
- Piston Speed: 50-800 mm/s
- Port Size: M5×0.8 (Standard) / NPT1/8 (Optional)
- Seal Material: NBR (Nitrile)
- Body Material: Aluminum alloy (anodized)
- Rod Material: Chrome-plated carbon steel
- Weight: 3.8kg (dry)
- Dimensions (L×W×H): 960mm × 60mm × 60mm (Full extension)
High-precision adjustable stroke cylinder with dual-position locking mechanism. Features precision-ground rod and multi-layered sealing system for low friction operation. Includes stroke adjustment scale markings (±2mm accuracy) and impact-resistant cushioning. Requires 5-40μm filtered air with ISO VG32 lubricant recommendation.
- Variable position clamping in CNC fixture systems
- Material handling with adjustable lift heights
- Printing press paper feed mechanisms
- Glass cutting equipment positioning
- Automated warehouse stacker alignment
Installation guidance:
Mount using Class 12.9 bolts with anti-loosening washers. Allow minimum 100mm
clearance at rod end for full stroke adjustment. Perform initial 50-cycle
low-pressure run-in before full load operation.
| Property | Property Value |
|---|---|
| sku | SEJ40X750-20S |
| 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 | 750 MM |
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.