Airtac SEJ Adjustable Cylinder SEJ63X300-75S
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 SEJ63X300-75S Adjustable Cylinder Specifications
- Model: SEJ63X300-75S
- Type: Double-acting adjustable stroke cylinder with built-in cushioning
- Bore diameter: 63 mm
- Stroke: 300 mm (adjustable via mechanical stops)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Adjustable rubber buffers at both ends
- Mounting style: Front flange (ISO 15552 standard)
- Port size: G1/4 (BSPP thread)
- Rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Weight: 3.8 kg ±2%
- Dimensions (L×W×H):
- Extended length: 582 mm
- Retracted length: 282 mm
- Mounting flange width: 100 mm
- Rod end height: 32 mm
- Protection rating: IP54 (standard wiper seal)
- Lubrication: Pre-lubricated (maintenance-free operation)
High-precision adjustable stroke cylinder featuring dual cushion control with 270° rotary adjustment screws. The anodized barrel provides superior corrosion resistance for harsh environments. Integrated mounting slots allow ±2mm position adjustment during installation. Requires 40μm filtered air and 1-3 cSt viscosity lubricant if external lubrication is used.
- Precision press mechanisms in automotive assembly
- Variable position clamping in CNC fixtures
- Material handling systems with adjustable lift heights
- Packaging line stopper mechanisms
- Textile machinery tension control
Installation note:
For optimal cushioning performance, adjust buffer screws in 1/4-turn increments during commissioning.
Maintain 0.5mm minimum clearance between piston and end cap when fully retracted.
| Property | Property Value |
|---|---|
| sku | SEJ63X300-75S |
| Adjustable Stroke | 75mm |
| 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 | S-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.