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 SI125X275SH Standard Cylinder Technical Specifications
- Model: SI125X275SH
- Bore size: 125mm
- Stroke: 275mm
- Operating pressure: 0.15-1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Port size: G1/2 (ISO228/1 standard)
- Piston rod thread: M30×2.0
- Cylinder material: Aluminum alloy (hard anodized)
- Rod material: Chrome-plated carbon steel (S45C)
- Seal material: NBR (nitrile butadiene rubber)
- Protection rating: IP65 (standard wiper design)
- Weight: 18.7kg ±2% (without accessories)
- Dimensions: 610mm(L) × 155mm(W) × 155mm(H)
- Mounting type: Double pivot mounting (ISO15552 compliant)
- Max theoretical force: 1,539N @0.63MPa (extending)
- Max speed: 500-800mm/s (with cushion adjustment)
- Lubrication: Pre-lubricated (recommended relubrication cycle: 2,000km)
High-torque industrial cylinder designed for heavy-duty applications requiring precise linear motion control. Features enhanced side load capacity through integrated guide reinforcement and wear-resistant rod bearings. The SH variant's double pivot design enables angular movement absorption, making it ideal for articulated mechanisms. Requires 40μm filtered air and monthly lubrication maintenance under continuous operation.
- Automotive production line clamping fixtures
- Foundry equipment mold ejection systems
- Steel mill roller positioning mechanisms
- Plastic injection molding machine core pulls
- Heavy material handling conveyor diverters
- Max lateral load: 1,200N (at rod end)
- Max permissible moment: 580N·m
- Rod rotation tolerance: ±3° (axial misalignment)
- Breakaway pressure: ≤0.08MPa (with proper lubrication)
| Property | Property Value |
|---|---|
| sku | SI125X275SH |
| 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 | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 275mm |
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.









