Airtac SI125 Standard Cylinder SI125X345S
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SI125X345S
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Description
1. ISO15552 (formerly ISO6431) Standard Pneumatic Cylinder
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
Installation guidelines:
1. Use M12×1.25 mounting bolts (Grade 8.8 or higher)
2. Maintain 0.5° maximum angular misalignment during installation
3. Apply ISO VG32 hydraulic oil for initial lubrication
4. Allow 50mm clearance behind rod end for full cushioning effect
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 SI125X345S Standard Cylinder Specifications
- Model: SI125X345S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 345 mm
- Operating pressure: 0.1–0.9 MPa (14.5–130.5 PSI)
- Operating medium: Dry filtered air (ISO 8573-1:2010 Class 3.4.3)
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting style: Basic type (MF1) with front flange & rear foot mounting (optional accessories available)
- Port size: 1/2" NPT (G1/2 optional)
- Built-in magnet: Yes (for magnetic sensor attachment)
- Temperature range: -20℃ to 80℃ (-4°F to 176°F)
- Seal material: NBR (Nitrile Butadiene Rubber)
- Protection rating: IP65 (rod seal area)
- Weight: 12.7 kg (28 lbs)
- Dimensions:
- Total length: 558 mm (21.97")
- Cylinder outer diameter: 140 mm (5.51")
- Rod diameter: 35 mm (1.38")
- Mounting hole spacing: 160×160 mm (6.3×6.3")
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant anodized aluminum barrel and chrome-plated piston rod (Cr≥15μm thickness). Includes wear-resistant guide rings and auto-lubricating seals for maintenance-free operation up to 3,000 km travel distance.
Typical Applications:
- Automotive assembly line positioning systems
- Press machine ejection mechanisms
- Packaging machinery vertical lift systems
- Foundry equipment door actuators
- Sheet metal bending machine pushers
Installation guidelines:1. Use M12×1.25 mounting bolts (Grade 8.8 or higher)
2. Maintain 0.5° maximum angular misalignment during installation
3. Apply ISO VG32 hydraulic oil for initial lubrication
4. Allow 50mm clearance behind rod end for full cushioning effect
Performance characteristics:
Theoretical force output 9,817N @0.63MPa (push side), 8,432N (pull side). Maximum piston speed 0.5–1.5 m/s. Recommended cycle rate ≤60 cpm with full stroke operation.
| Property | Property Value |
|---|---|
| sku | SI125X345S |
| 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 | 345 mm |
Shipping policies
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.
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