Airtac SI125 Standard Cylinder SI125BX350S
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 SI125BX350S Standard Cylinder Specifications
- Model: SI125BX350S
- Type: Double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 350 mm
- Operating pressure: 0.15–0.8 MPa (21.7–116 psi)
- Cushioning: Adjustable air cushioning at both ends
- Port size: 1/2" NPT (G1/2 optional)
- Piston rod material: Chrome-plated carbon steel (HCP)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Operating temperature: -20℃ to 80℃ (-4°F to 176°F)
- Mounting type: Square flange (ISO 15552 standard)
- Weight: 16.8 kg (37.0 lbs)
- Dimensions:
- Total length (extended): 727 mm
- Body diameter: 142 mm
- Mounting flange width: 160 mm × 160 mm
- Rod end thread: M33×2.0
- Protection rating: IP65 (standard wiper seal)
- Max theoretical thrust:
- 4,909 N @ 0.5 MPa
- 7,854 N @ 0.8 MPa
A heavy-duty ISO-compliant cylinder designed for high-force industrial applications. Features precision-machined components with wear-resistant coatings and dual anti-rotation guides for stable linear motion. Integrated magnet (D-M9N) enables position feedback compatibility. Requires 5μm filtered lubricated air (ISO 8573-1 class 4).
- Automotive press line material handling
- Steel mill roller positioning systems
- Injection molding machine ejectors
- Paper processing equipment actuators
- Foundry core-making machine drives
Installation note:
Maximum side load capacity 450 N. For vertical mounting, use tandem cylinders or external guides.
Lubricate through air supply (ISO VG32 equivalent) with 1-2 drops/m³ airflow.
| Property | Property Value |
|---|---|
| sku | SI125BX350S |
| 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 | 350mm |
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.