Airtac SI125 Standard Cylinder SI125X390
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 SI125X390 Standard Cylinder Specifications
- Model: SI125X390
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125 mm
- Stroke: 390 mm
- Operating pressure: 0.1–1.0 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (BSPP thread)
- Mounting style: Basic front flange (ISO 15552-MBF)
- Piston rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Protection rating: IP65 (standard wipers)
- Weight: 11.2 kg (without accessories)
- Dimensions: 736mm(L) × 160mm(W) × 160mm(H)
- Max theoretical force: 12,272N @1.0MPa
- Piston rod diameter: 40 mm
- Speed range: 50–800 mm/s
High-thrust industrial cylinder designed for heavy-duty automation applications. Features wear-resistant construction with chrome-plated piston rod and corrosion-resistant aluminum body. Integrated magnetic sensor slots (M9x1 pre-tapped) enable position feedback. Cushioning adjustment requires 3mm hex key.
- Press machine actuation systems
- Automotive assembly line clamping
- Foundry equipment operation
- Large-scale material handling gates
- Plastic injection molding ejectors
Installation note:
Requires minimum 0.5mm alignment tolerance for rod connections.
Lubricate with ISO VG32 hydraulic oil (NBR-compatible) when operating below -10℃.
Maximum side load capacity: 1,450N at full extension.
| Property | Property Value |
|---|---|
| sku | SI125X390 |
| 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 | 390mm |
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.