2. Piston features bidirectional Y-seal structure with cushioning function, offering extended service life and low friction resistance;
3. Aluminum barrel with cruciform reinforcement and black-anodized piston rod for enhanced corrosion resistance;
4. Precision machined cylinder surface ensures smooth operation;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AIRTAC | Series: SI125
AirTAC SI125X240H Standard Cylinder Technical Specifications
- Model: SI125X240H
- Type: ISO 6432 compliant double-acting pneumatic cylinder
- Bore size: 125mm (4.92")
- Stroke: 240mm (9.45")
- Operating pressure: 0.05-1.0 MPa (7-145 PSI)
- Piston rod diameter: 35mm (1.38")
- Cushioning type: Adjustable air cushion (both ends)
- Port size: G1/2 (BSPP thread)
- Ambient temperature: -20℃ to 80℃ (-4°F to 176°F)
- Piston speed: 50-750 mm/s
- Mounting style: Basic type (standard front flange/rod eye)
- Body material: Aluminum alloy (anodized surface)
- Seal material: NBR + Polyurethane (oil-resistant)
- Weight: 8.7kg (19.18 lbs)
- Dimensions (L×W×H):
- Total length: 532mm (20.94")
- Body diameter: 125mm (4.92")
- Mounting base: 180×180mm (7.09"×7.09")
- Lubrication: Pre-lubricated (DIN 51503 VG32 equivalent)
The SI125X240H industrial-grade cylinder delivers 15,400N theoretical thrust at 0.63MPa, featuring wear-resistant chromium-plated piston rod and magnetic piston for sensor integration. Its oversized cushion screws enable precise deceleration adjustment, making it ideal for heavy-duty applications requiring controlled start/stop movements.
- Automotive assembly line clamping fixtures
- Foundry equipment for mold ejection
- Paper roll handling systems
- Hydraulic press auxiliary actuation
- Construction machinery boom positioning
| Property | Property Value |
|---|---|
| sku | SI125X240H |
| Seal Material | FKM |
| 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°C to 80°C Speed Range: 30-500 mm/s |
| Port Size | PT 1/2 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | 240mm |
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.







