Airtac SI125 Standard Cylinder SI125BX145S
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 SI125BX145S Standard Cylinder Specifications
- Model: SI125BX145S
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125 mm
- Stroke: 145 mm (customizable 25-1,000 mm)
- Operating pressure: 0.05–1.2 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G3/8 (NPT1/2 optional)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Seal material: Nitrile (NBR) with wear-resistant guide rings
- Mounting type: Basic front flange (ISO 15552 MF1)
- Rod end: External 1/2"-20UNF threaded
- Weight: 8.7 kg (with rod extension)
- Dimensions:
- Body diameter: 125 mm
- Retracted length: 337 mm
- Extended length: 482 mm
- Mounting center distance: 190 mm
High-torque industrial cylinder with chromium-plated piston rod (hardness HRC 45-55) and anodized aluminum end caps. Features dual anti-rotation guide slots and integrated magnet for position sensing. Designed for heavy-duty cycles (5 million+ operations) with <1.5 Nm breakaway friction. Requires ISO 8573-1:2010 Class 3 lubricated air.
- Press machine ejection systems
- Automotive welding fixture positioning
- Steel coil handling equipment
- Plastic injection molding clamp units
- Paper roll lifting mechanisms
Installation advice:
For vertical mounting, use tandem cylinders or external guides when handling
>500 kg loads. Lubricate through FRL unit with ISO VG32 hydraulic oil mist
(1-2 drops/m³ air). Allow 50mm clearance behind rod end for maintenance.
| Property | Property Value |
|---|---|
| sku | SI125BX145S |
| 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 | 145mm |
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.