Airtac SI125 Standard Cylinder SI125X312S
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 SI125X312S Standard Cylinder Specifications
- Model: SI125X312S
- Type: Double-acting cylinder with adjustable magnetic piston
- Bore size: 125 mm
- Stroke: 312 mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Port size: G1/2 (ISO 228 standard)
- Piston rod diameter: 32 mm (hard chrome-plated)
- Mounting options: Basic series (MF1 front flange, MB1 rear flange, optional foot mounting)
- Ambient temperature: -20℃ to 80℃
- Seal material: NBR (oil-resistant nitrile compound)
- Tube material: Anodized aluminum alloy
- Weight: 12.8 kg ±3% (without accessories)
- Dimensions (L×W×H): 635 mm × 150 mm × 150 mm (body length includes stroke)
- Max theoretical thrust: 1,570N @ 0.63 MPa
- Air consumption: 4.2 L/stroke @ 0.5 MPa
- ISO certification: ISO 6431, ISO 15552 compliant
High-torque industrial cylinder engineered for heavy-duty automation systems. Features triple sealing rings for leak-proof operation and tungsten-treated piston rods for extended wear resistance. Optimized for applications requiring precise linear motion control under continuous operation. Requires 40µm filtered compressed air with lubrication (ISO VG32 recommended).
- Plastic injection molding machine ejectors
- Automotive welding fixture positioning
- Steel coil handling systems
- Paper mill roller press mechanisms
- CNC machine tool clamping units
Installation note:
Maintain 0.5-1mm alignment tolerance during mounting. For vertical installations,
use auxiliary guide mechanisms when handling asymmetric loads exceeding 15kg.
| Property | Property Value |
|---|---|
| sku | SI125X312S |
| 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 | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 312mm |
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.