Airtac SI125 Standard Cylinder SI125X650LB
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 SI125X650LB Standard Cylinder Specifications
- Model: SI125X650LB
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: Ø125 mm
- Stroke: 650 mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: LB series - Foot mounting with front flange
- Port size: G1/2 (ISO 228/1 standard)
- Piston rod material: Hard chrome-plated carbon steel
- Cylinder tube: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 12.8 kg (without rod) / 14.2 kg (with rod)
- Dimensions:
- Total length: 940 mm (stroke + 290mm fixed dimension)
- Body diameter: Ø140 mm
- Mounting base: 180mm × 180mm
- Rod end thread: M39×1.5
- Protection rating: IP65 (with wiper seal)
- Theoretical force output:
- Thrust @0.6MPa: 7,358 N
- Tension @0.6MPa: 6,623 N
High-torque industrial cylinder designed for heavy-duty linear motion applications. Features precision honed tube and double O-ring piston seals for minimal leakage. The LB mounting configuration provides stable fixation for vertical or horizontal installations. Optional magnetic piston version (SI125X650LB-M9) available for position sensing.
- Press machine ejection systems
- Automotive welding fixture positioning
- Steel coil handling equipment
- Plastic injection molding machine gates
- Shipbuilding plate bending machinery
Installation guidelines:
Ensure proper alignment using alignment couplers when connecting to loads.
Lubricate through air port with ISO VG32 turbine oil (1-2 drops per cycle)
if using non-lubricated air supply. Avoid side loads exceeding 350N.
| Property | Property Value |
|---|---|
| sku | SI125X650LB |
| 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 | 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.