Airtac SI125 Standard Cylinder SI125X750FA
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 SI125X750FA Standard Cylinder Specifications
- Model: SI125X750FA
- Bore size: 125mm
- Stroke: 750mm
- Operating pressure: 0.15–0.8 MPa (21.7–116 psi)
- Temperature range: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Standard ISO/VDMA front flange (alternative options available)
- Port size: G3/8 (standard) or NPT1/2 (optional)
- Piston rod material: Chrome-plated carbon steel (S45C)
- Tube material: Anodized aluminum alloy
- Seal material: NBR/PU combination
- Speed range: 50–800 mm/s (optimal performance at 200–500 mm/s)
- Protection rating: IP65 (standard wiper design)
- Weight: 14.8 kg ±3% (without accessories)
- Dimensions:
- Length: 914mm (full extension)
- Width: 162mm (flange mounting base)
- Height: 162mm (cylindrical body diameter)
High-thrust industrial cylinder designed for heavy-duty linear motion applications. Features dual adjustable pneumatic cushions for smooth deceleration and reduced impact noise. The triple-seal design (rod seal, buffer seal, and wiper seal) ensures long-term leak prevention. Requires ISO VG32 turbine oil lubrication (optional oil-free operation available).
- Automotive assembly line clamping systems
- Metal stamping press ejection mechanisms
- Packaging machinery compression units
- Foundry equipment door actuators
- Plastic injection molding machine core pulls
Installation note:
Maintain 0.1–0.3mm clearance between piston rod and guide mechanism.
For vertical mounting, install emergency stop valve to prevent free fall.
Lubricate every 3 months under normal operation (monthly in high-cycle applications).
- Max side load: ≤245N at 0.5MPa
- Max moment load: 343N·m (axial), 196N·m (radial)
- Air consumption: 10.9L/stroke (theoretical at 0.5MPa)
- Lifetime: 5,000km (NBR seals) / 8,000km (PU seals)
| Property | Property Value |
|---|---|
| sku | SI125X750FA |
| 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 | 750 MM |
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.