Airtac SI125 Standard Cylinder SI125AX650S
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 SI125AX650S Standard Cylinder Specifications
- Model: SI125AX650S
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125 mm
- Stroke: 650 mm (±1.5mm tolerance)
- Operating pressure: 0.1–0.9 MPa (15–130 PSI)
- Cushioning type: Adjustable air cushion (both ends)
- Piston speed: 50–800 mm/s (lubricated)
- Port size: G1/2 (ISO 228/1 standard)
- Ambient temperature: -20℃ to +80℃
- Seal material: NBR + polyurethane combination
- Piston rod material: Chrome-plated 45# steel
- Tube material: Anodized aluminum alloy
- Mounting style: Basic type (supports foot mounting, flange, etc.)
- Weight: 28.5 kg (with standard accessories)
- Dimensions:
- Extended length: 1095 mm
- Retracted length: 445 mm
- Width (body): 160 mm
- Height (with rod): 195 mm
- Protection rating: IP65 (standard wiper seal)
- Service life: 5,000 km (50 million cycles at 500mm stroke)
The SI125AX650S industrial-grade pneumatic cylinder delivers 12,272N thrust at 0.7MPa, featuring triple sealing layers and wear-resistant guide rings. Its oversized cushioning adjustment screws enable precise end-position deceleration control. The hard-anodized barrel includes internal corrosion-resistant treatment for humid environments.
- Heavy-duty press machinery ejection systems
- Automotive welding fixture positioning
- Steel coil handling equipment
- Injection molding machine core-pull mechanisms
- Shipbuilding jig actuators
Installation protocol:
Requires 15° maximum misalignment compensation. For vertical mounting,
use auxiliary rod-end support. Lubricate with ISO VG32 hydraulic oil
if operating below 0℃. Perform stroke calibration after 500 initial cycles.
| Property | Property Value |
|---|---|
| sku | SI125AX650S |
| 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 | SUS420J2 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 650mm |
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.