Airtac SEJ Adjustable Cylinder SEJ50X700-40S
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 Cylinder SEJ50X700-40S Technical Specifications
- Model Code: SEJ50X700-40S
- Bore Size: Ø50 mm
- Stroke Length: 700 mm (adjustable)
- Operating Pressure: 0.1–0.9 MPa
- Cushioning Type: Adjustable hydraulic buffer (both ends)
- Mounting Style: Standard MF1 (front flange) + SC50x32 (side boss)
- Rod Thread: M20×1.5 external thread
- Port Size: G1/8 (ISO standard)
- Cylinder Tube Material: Aluminum alloy (hard anodized)
- Piston Rod Material: Chrome-plated carbon steel (Cr-Mo)
- Seal Material: NBR + PU combination
- Temperature Range: -20℃ to 80℃
- Weight: 5.8 kg ±3% (without accessories)
- Dimensions:
- Extended Length: 1055 mm
- Retracted Length: 355 mm
- Body Diameter: Ø60 mm
- Mounting Hole Spacing: 60×60 mm (front flange)
- Max Speed: 500–800 mm/s (lubricated)
- ISO Certification: 6432 standard compliant
Heavy-duty adjustable stroke cylinder with precision position locking mechanism, featuring dual adjustable hydraulic shock absorbers for high-speed applications. The triple-seal structure (rod seal + buffer seal + wiper seal) ensures reliable operation in contaminated environments. Includes magnetic piston for position sensing compatibility.
- Automated palletizing systems requiring variable stroke control
- Press machine die height adjustment mechanisms
- Plastic injection molding ejector systems
- Automotive welding fixture positioning
- Paper converting equipment with variable format settings
Installation Guidelines:
- Use M6 mounting screws with 12.9 grade minimum
- Maintain 0.5–1.0 mm clearance between rod end and load
- Adjust buffer needle valve clockwise to increase damping force
- Apply ISO VG32 hydraulic oil for initial lubrication
| Property | Property Value |
|---|---|
| sku | SEJ50X700-40S |
| 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 | PT1/4 |
| Magnet | S-Magnetic |
| Bore Diameter | <50mm> |
| Stroke | 700mm |
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.