Airtac SI125 Standard Cylinder SI125AX275S
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 SI125AX275S Standard Cylinder Specifications
- Model: SI125AX275S
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125mm
- Stroke: 275mm (adjustable cushioning)
- Operating pressure: 0.05–1.2 MPa
- Piston speed: 50–800 mm/s
- Mounting style: Basic type (optional foot/mounting flange)
- Port size: G3/8 (M14×1.5 optional)
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable air cushion (both ends)
- Body material: Aluminum alloy (anodized)
- Seal material: NBR + PU combination
- Rod material: Chrome-plated steel
- Protection rating: IP65 (standard wipers)
- Weight: 6.8kg (without accessories)
- Dimensions:
- Body diameter: Φ125mm
- Retracted length: 492mm
- Extended length: 767mm
- Mounting hole spacing: 160×160mm
High-force industrial cylinder with precision machined barrel and multi-layer sealing system. Features corrosion-resistant construction and smooth stroke control through adjustable pneumatic cushions. Requires ISO 8573-1:2010 Class 3-4-3 compressed air quality. Includes magnetic piston for sensor compatibility.
- Heavy-duty press machine actuation
- Automotive welding fixture positioning
- Foundry equipment mold clamping
- Packaging line product ejection
- Plastic injection molding machine core pulls
Installation tip:
Align cylinder axis within 0.2mm perpendicular tolerance. Lubricate with ISO VG32 hydraulic oil
during initial setup. Allow 50mm clearance at stroke ends for cushion adjustment tools.
| Property | Property Value |
|---|---|
| sku | SI125AX275S |
| 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 | SUS420J2 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 275mm |
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.