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 SI125X370S Standard Cylinder Technical Specifications
- Model: SI125X370S
- Bore diameter: 125 mm
- Stroke: 370 mm
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Adjustable air cushion (both ends)
- Port size: G1/2 (ISO standard)
- Piston rod thread: M20×1.5
- Mounting type: Basic front flange (MF1) with optional accessories
- Tube material: Aluminum alloy (hard anodized)
- Rod material: Chrome-plated steel (Cr-Mo)
- Seal material: NBR (nitrile butadiene rubber)
- Weight: 14.7 kg (without accessories)
- Dimensions:
- Extended length: 644 mm
- Retracted length: 274 mm
- Body diameter: 125 mm
- Mounting flange width: 165 mm
High-torque industrial cylinder designed for heavy-duty linear motion applications. Features precision honed tube and double-acting operation with wear-resistant rod seals. The magnetic piston version (SI125X370S-M9) enables position sensing compatibility. Requires ISO VG32 hydraulic oil lubrication for optimal performance in continuous operation.
- Metal stamping press ejection systems
- Automated palletizing machine actuators
- Foundry equipment door actuators
- Plastic injection molding machine core pulls
- Heavy conveyor gate controls
| Property | Property Value |
|---|---|
| sku | SI125X370S |
| 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 | 370mm |
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.









