Airtac SI125 Standard Cylinder SI125X550SN
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 SI125X550SN Standard Cylinder Specifications
- Model: SI125X550SN
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125mm
- Stroke: 550mm (adjustable cushion)
- Operating pressure: 0.05–1.0 MPa
- Max thrust: 1,227N @0.5MPa
- Port size: G3/8 (NPT1/2 optional)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Cushion type: Adjustable air cushion + rubber bumper
- Rod material: Hard chrome-plated steel
- Tube material: Aluminum alloy (anodized)
- Seal material: NBR + PU combination
- Weight: 15.8kg ±2% (without accessories)
- Dimensions:
- Total length: 890mm (stroke 550 + base 340)
- Body diameter: 142mm
- Mounting center distance: 160mm
- Rod end thread: M30×2.0
High-load industrial cylinder with corrosion-resistant construction, featuring dual cushioning system for smooth deceleration. The 125mm bore size delivers substantial linear force for heavy-duty applications. Optional magnetic piston version (SI125X550SN-M9) available for position sensing.
- Automotive production line clamping fixtures
- Steel coil handling equipment
- Plastic injection molding machine ejectors
- Paper roll positioning systems
- Shipbuilding plate bending machinery
Installation notes:
- Use swivel brackets (MB125) for thermal expansion compensation
- Lubricate with ISO VG32 hydraulic oil if non-lube version
- Maintain 0.3mm minimum rod sag in horizontal mounting
- Allow 100mm front clearance for full stroke extension
* For harsh environments (metal dust/chemical exposure), specify stainless steel rod (SI125X550SN-SS) and FKM seals (+20℃ to 120℃ operation)
| Property | Property Value |
|---|---|
| sku | SI125X550SN |
| Seal Material | NBR |
| 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 | 550mm |
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.