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 SI125X205S Standard Cylinder Specifications
- Model: SI125X205S
- Bore size: 125mm (ISO 6432 compliant)
- Stroke: 205mm (±1mm tolerance)
- Operating pressure: 0.1–0.9 MPa
- Cushioning type: Adjustable hydraulic buffer (both ends)
- Mounting style: Basic type (no built-in mounts)
- Port size: G1/2 (ISO 1179-1 standard)
- Piston rod material: Hard chrome-plated carbon steel (HRC 45-50)
- Seal material: NBR/PU compound (FDA compliant option available)
- Ambient temperature: -20℃ to 80℃ (dry air required below 0℃)
- Weight: 8.7kg (excluding accessories)
- Dimensions:
- Total length: 485mm (stroke + 2×140mm end caps)
- Body diameter: 142mm (cylinder tube OD)
- Rod end thread: M42×1.5 (male thread)
- Max thrust: 10,300N @ 0.6MPa
- ISO certification: ISO 6432, VDMA 24562
High-force industrial cylinder with precision-machined aluminum alloy barrel and wear-resistant guide bushings. Features dual adjustable cushioning with 20° rotation lock screws and corrosion-resistant rod coating. Designed for vertical/horizontal mounting in heavy-duty cycles (up to 3 million strokes @ 0.5MPa). Requires 5-40μm filtered lubricated air (ISO 8573-1 class 3-4-3).
- Press machine ejection systems
- Automotive welding fixture clamping
- Steel coil handling equipment
- Plastic injection molding machine gates
- Shipbuilding plate bending devices
| Property | Property Value |
|---|---|
| sku | SI125X205S |
| 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 | 205mm |
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.









