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 SI125BX90S Standard Cylinder Specifications
- Model: SI125BX90S
- Type: Double-acting pneumatic cylinder with magnetic piston
- Bore size: 125mm
- Stroke: 90mm
- Operating pressure: 0.15–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: ISO 15552 standard flange (MF1) with front threaded rod
- Port size: G3/8 (M14×1.5 optional)
- Piston rod material: Chrome-plated carbon steel (ST45)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Ambient temperature: -20℃ to 80℃
- Weight: 12.3kg (without accessories)
- Dimensions: 312mm(L) × 156mm(W) × 156mm(H) (retracted length)
- Rod end thread: M20×1.5 (male)
- Max theoretical force: 1,540N @ 0.63MPa
- Protection rating: IP65 (with wiper seal)
- Lubrication: Pre-lubricated (Oil-free operation possible)
High-torque industrial cylinder designed for heavy-duty cycles (up to 5 million strokes). Features dual anti-rotation guide mechanism and corrosion-resistant plating. Optional built-in magnet (BX series) enables position feedback when paired with magnetic sensors. Ideal for applications requiring precise linear motion under high loads.
- Automotive assembly line clamping systems
- Die-casting machine ejection mechanisms
- Steel mill conveyor gate actuators
- Plastic injection molding machine core pullers
- Paper processing equipment feeders
| Property | Property Value |
|---|---|
| sku | SI125BX90S |
| 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 | SUS304 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 90mm |
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.









