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 SI125X250SN Standard Cylinder Specifications
- Model: SI125X250SN
- Type: ISO/VDMA standard double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 250mm
- Operating pressure: 0.15–0.8 MPa
- Medium temperature: -20℃ to 80℃
- Cushioning: Adjustable air cushion (both ends)
- Piston rod material: Hard chrome-plated steel
- Seal material: NBR (nitrile rubber)
- Mounting type: Basic (standard foot and front flange optional)
- Port size: G1/2
- Weight: 8.5kg (without accessories)
- Dimensions: 480mm(L) × 160mm(W) × 160mm(H)
- Protection rating: IP65 (standard) / IP67 (optional)
- Compliance: ISO 15552, VDMA 24562
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant aluminum alloy construction with integrated magnet for position sensing. The chrome-plated piston rod and precision honed tube ensure smooth operation under continuous high-load conditions. Requires 40μm filtered compressed air with recommended lubrication (ISO VG32).
- Automotive production line clamping systems
- Injection molding machine ejectors
- Steel mill material handling gates
- Paper processing equipment actuators
- Construction machinery hydraulic assists
| Property | Property Value |
|---|---|
| sku | SI125X250SN |
| 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 | <250MM> → <250mm> |
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.









