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 SI125X750 Standard Cylinder Specifications
- Model: SI125X750
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 750 mm (±0.5 mm tolerance)
- Operating pressure: 0.05–1.2 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Piston rod material: Hard chrome-plated 45# steel
- Tube material: Aluminum alloy with hard anodized surface
- Seal type: NBR seals (standard), optional FKM/Viton for high temp
- Mounting style: Basic type (standard), optional flange/mid-trunnion
- Port size: G1/2 (ISO 228/1 standard)
- Ambient temperature: -20℃ to 80℃ (with NBR seals)
- Piston speed: 50–800 mm/s (optimal range)
- Theoretical thrust: 14,726 N @ 0.7 MPa
- Weight: 17.8 kg (dry, without accessories)
- Dimensions:
- Extended length: 1,065 mm
- Retracted length: 315 mm
- Body diameter: 140 mm
- Mounting hole spacing: 160×160 mm
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant construction with precision honed tube and dual anti-rotation guides. Integrated magnet slot enables position sensing compatibility. Optional heat-resistant variants available for foundry environments.
- Metal stamping press ejection systems
- Automotive assembly line clamping devices
- Plastic injection molding machine core pulls
- Paper roll handling equipment
- Shipbuilding fixture positioning
| Property | Property Value |
|---|---|
| sku | SI125X750 |
| 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°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 | 750 MM |
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.









