Airtac SEJ Adjustable Cylinder SEJ63X125-40S
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 SEJ63X125-40S Adjustable Cylinder Specifications
- Model: SEJ63X125-40S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 63 mm
- Stroke: 125 mm (adjustable)
- Rod diameter: 20 mm (chrome-plated steel)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting type: Front flange (MF1) with integrated mounting slots
- Port size: 1/2" NPT (G1/2 optional)
- Ambient temperature: -10℃ to 80℃
- Piston material: Die-cast aluminum alloy with hard anodizing
- Seal type: NBR seals with wear-resistant ring
- Weight: 3.8 kg ±2%
- Dimensions:
- Extended length: 325 mm
- Retracted length: 200 mm
- Body width: 88 mm
- Mounting height: 63 mm
- ISO standard: 15552 compliant
- Protection class: IP54 (standard wiper seal)
High-precision adjustable stroke cylinder featuring dual-axis position locking mechanism for mid-stroke positioning. The anodized barrel incorporates a T-slot for external sensor mounting and includes magnetic piston version compatibility (add "-M" suffix). Optimized for applications requiring variable stopping positions without mechanical hard stops.
- Variable height work platforms in assembly lines
- Clamping force adjustment in CNC fixturing
- Position-controlled material handling systems
- Printing press roller engagement mechanisms
- Textile machinery tension control
Installation note:
For optimal performance, maintain 0.5-1 mm clearance between cushion screws and stopper during adjustment.
Lubricate with ISO VG32 hydraulic oil if operating below -5℃. Regular maintenance every 500,000 cycles recommended.
Critical parameter:
Maximum side load capacity 280 N at mid-stroke. Avoid angular misalignment exceeding ±2° to prevent seal wear.
| Property | Property Value |
|---|---|
| sku | SEJ63X125-40S |
| 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 | PT3/8 |
| Magnet | S-Magnetic |
| Bore Diameter | 63mm |
| Stroke | 125mm |
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.