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 SI125X85 Standard Cylinder Specifications
- Model: SI125X85
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: Ø125 mm
- Stroke: 85 mm (±0.5 mm tolerance)
- Operating pressure: 0.05–1.0 MPa (7-145 psi)
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting style: Basic front flange (ISO 15552 MF1), optional rear foot mounting
- Port size: G1/2" (ISO 228 standard)
- Piston rod material: Hard chrome-plated carbon steel (HRC 40-45)
- Tube material: Anodized aluminum alloy (6063-T5)
- Seal material: NBR (nitrile) with wear-resistant ring
- Operating temperature: -20℃ to 80℃ (dry air required below 0℃)
- Weight: 5.8 kg (excluding accessories)
- Dimensions:
- Extended length: 298 mm (stroke + 213mm base length)
- Retracted length: 213 mm
- Flange width: 160 mm
- Mounting hole spacing: 140×140 mm (square pattern)
- Rod end thread: M20×1.5 (male)
- Lubrication: Pre-lubricated (relubrication interval: 3,000 km travel distance)
High-torque industrial cylinder designed for heavy-load applications requiring precise linear motion. Features dual anti-rotation slots (ISO 15552 compliant) and corrosion-resistant construction. The reinforced rod bearing supports up to 8,500N thrust force at 0.6 MPa. Requires 40μm filtered air with ISO 8573-1:2010 Class 3.4.2 air quality.
- Automotive assembly line clamping systems
- Steel mill conveyor gate actuators
- Plastic injection molding machine ejectors
- Paper processing equipment feeders
- Heavy-duty material handling robots
| Property | Property Value |
|---|---|
| sku | SI125X85 |
| 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 | 85mm |
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.









