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 SI125X350SCB Standard Cylinder Specifications
- Model: SI125X350SCB
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125 mm
- Stroke: 350 mm (±0.5mm tolerance)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Square flange (SCB type) with front flange holes: 4×M12×1.75
- Port size: G3/8 (ISO 228-1 standard)
- Piston rod material: Chrome-plated steel (Cr-Mo alloy), 45mm rod diameter
- Tube material: Anodized aluminum alloy (6063-T5)
- Seal material: NBR (nitrile) with wear-resistant ring
- Temperature range: -20℃ to 80℃
- Protection rating: IP65 (standard wiper seal)
- Weight: 12.8 kg (dry, without accessories)
- Dimensions:
- Extended length: 719 mm
- Retracted length: 369 mm
- Flange width: 160 mm
- Overall height (with rod): 193 mm
High-torque industrial cylinder designed for heavy-duty automation systems. Features precision honed tubing (Ra≤0.4μm) and dual anti-rotation guides for stable linear motion. The hardened piston rod (HV700-900) withstands side loads up to 15% of maximum thrust. Requires ISO 8573-1:2010 Class 3 lubricated air (ISO VG32 recommended).
- Automotive press line material handling
- Injection molding machine ejectors
- Steel coil lifting systems
- Packaging line palletizers
- Paper mill roller positioning
- Align cylinder axis within 0.2° angular misalignment tolerance
- Apply lithium soap grease (NLGI #2) to rod before initial use
- Adjust cushion screws clockwise to increase damping force
| Property | Property Value |
|---|---|
| sku | SI125X350SCB |
| 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 | 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.









