Airtac SI125 Standard Cylinder SI125X440S
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 SI125X440S Standard Cylinder Specifications
- Model: SI125X440S
- Bore size: 125 mm
- Stroke: 440 mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Port size: Rc1/2 (G1/2 optional)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Mounting style: Basic type (MF1) with foot mounting
- Body material: Aluminum alloy (hard anodized)
- Rod material: Chrome-plated steel (Cr-Mo alloy)
- Seal material: NBR (nitrile rubber)
- Protection rating: IP65 (dust-tight & water jet resistant)
- Weight: 12.7 kg (with rod)
- Dimensions:
- Length (full extension): 782 mm
- Body diameter: Φ136 mm
- Mounting foot: 190×50 mm
- Rod thread: M20×1.5
High-torque industrial cylinder designed for heavy-duty linear motion applications. Features precision honed tube (Ra≤0.2μm) and multi-layered sealing system with integrated wiper ring. Includes magnetic piston for position sensing compatibility. Requires ISO 8573-1:2010 Class 3-4-3 compressed air (max 1μm particle size).
- Automotive assembly line clamping fixtures
- Steel mill material handling systems
- Plastic injection molding ejectors
- Paper processing machinery
- Hydraulic press auxiliary actuators
Installation note:
Lubricate rod with ISO VG32 hydraulic oil before initial use.
Allow 25mm clearance behind cylinder for cushion adjustment.
Maximum side load: 280N at full extension.
| Property | Property Value |
|---|---|
| sku | SI125X440S |
| 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 | 440mm |
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.