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 SEJ63X300-50 Adjustable Cylinder Specifications
- Model: SEJ63X300-50
- Series: SEJ (Double-acting adjustable stroke cylinder)
- Bore size: 63mm
- Stroke: 300mm (adjustable range ±50mm)
- Operating pressure: 0.1-0.9 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: PT1/4 (G1/8 optional)
- Mounting type: Front flange/Foot mounting (MF1 pattern)
- Piston rod material: Chrome-plated stainless steel (SUS304)
- Cylinder tube: Hard anodized aluminum alloy
- Seal material: NBR (Nitrile rubber) with wear-resistant ring
- Weight: Approx. 5.8kg (including mounting accessories)
- Dimensions:
- Extended length: 585mm (max stroke position)
- Retracted length: 305mm (min stroke position)
- Body width: 86mm (mounting flange to rod end)
- Height: 95mm (including cushion adjusters)
- ISO standard: 15552 compliant
- Protection rating: IP54 (standard wiper seal)
A heavy-duty adjustable stroke cylinder featuring dual external stroke adjustment screws with ±50mm fine-tuning capability. The integrated shock absorber reduces end-impact noise to ≤75dB(A) at 0.5MPa. Includes magnetic piston for position sensing compatibility (sensor not included). Corrosion-resistant construction with 5000km minimum service life under rated conditions.
- Variable height positioning in automotive assembly jigs
- Packaging line product ejection systems
- Plastic injection molding machine gate controls
- Palletizing robot end-effector adjustments
- Textile machinery tension control mechanisms

Property | Property Value |
---|---|
sku | SEJ63X300-50 |
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 | PT3/8 |
Magnet | Non-magnetic |
Bore Diameter | 63mm |
Stroke | 300mm |
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.