Airtac SI125 Standard Cylinder SI125BX425S
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 SI125BX425S Standard Cylinder Specifications
- Model: SI125BX425S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 425 mm (±0.5mm tolerance)
- Operating pressure: 0.1–1.0 MPa
- Cushioning type: Adjustable air cushion at both ends
- Port size: G1/2 (BSPP thread)
- Piston rod diameter: 35 mm (chrome-plated steel)
- Mounting style: Basic type (optional flange/mounting accessories available)
- Operating temperature: -20℃ to 80℃
- Cylinder material: Aluminum alloy (anodized surface)
- Seal material: NBR/PU compound (oil-resistant)
- Weight: 12.7 kg (with standard accessories)
- Dimensions: 525mm(L) × 125mm(W) × 125mm(H) (stroke included)
- Rod end thread: M20×1.5 (external)
- Lubrication: Pre-lubricated (optional maintenance-free version)
- Protection rating: IP65 (standard wiper design)
High-force industrial cylinder engineered for heavy-duty linear motion applications. Features precision-machined barrel with corrosion-resistant treatment and multi-layered sealing system. The 5-stage buffer adjustment mechanism minimizes impact noise while maintaining 95%+ energy efficiency. Compatible with ATEX Zone 2 environments when configured properly.
- Automotive production line clamping fixtures
- Injection molding machine ejector systems
- Steel mill material handling gates
- Paper processing equipment actuators
- Warehouse automated stacking systems
Installation tip:
Allow 15mm minimum clearance around cylinder body for heat dissipation.
Use alignment jigs during mounting to prevent side load (max 0.5° angular misalignment tolerance).
Lubricate rod every 500km stroke operation in high-cycle applications.
| Property | Property Value |
|---|---|
| sku | SI125BX425S |
| 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 | SUS304 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | <425mm> |
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.