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 SEJ50X125-20S Adjustable Stroke Cylinder Specifications
- Model: SEJ50X125-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 50mm
- Stroke: 125mm (adjustable via mechanical stopper)
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Rubber buffer + adjustable external stopper
- Mounting style: Basic type (no built-in mounting)
- Port size: G1/8 (ISO228 standard)
- Piston rod material: Chrome-plated carbon steel (Cr-Mo)
- Tube material: Aluminum alloy (anodized)
- Seal material: NBR (Nitrile rubber)
- Temperature range: -10℃ to 80℃
- Weight: 2.85kg (including rod end accessories)
- Dimensions:
- Extended length: 285mm ±2mm
- Retracted length: 160mm ±2mm
- Body diameter: 62mm
- Rod end thread: M20×1.5
High-precision adjustable cylinder with dual-position locking mechanism, featuring a corrosion-resistant anodized body and precision-ground piston rod. The stroke adjustment utilizes a threaded stopper system with ±5mm fine-tuning capability. Integrated magnetizable groove (4.5×1.5mm) supports magnetic sensor installation for position feedback.
- Variable height positioning in automated assembly lines
- Pressure-sensitive clamping devices in CNC machining
- Adjustable stops in packaging machinery
- Material handling systems requiring force modulation
- Precision alignment fixtures for electronics manufacturing
| Property | Property Value |
|---|---|
| sku | SEJ50X125-20S |
| 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 | <50mm> |
| 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.







