Airtac SI125 Standard Cylinder SI125BX400SN
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 SI125BX400SN Standard Cylinder Specifications
- Model: SI125BX400SN
- Type: Double-acting pneumatic cylinder (ISO 15552 compliant)
- Bore size: 125 mm
- Stroke length: 400 mm
- Operating pressure: 0.1–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushion type: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (ISO 228/1 standard)
- Piston rod thread: M30x2 external thread
- Mounting style: SA1 square flange (ISO 15552 mounting pattern)
- Seal material: NBR (Nitrile Butadiene Rubber)
- Protection rating: IP65 (wipers included)
- Lubrication: Pre-lubricated (recommended oil ISO VG32)
- Weight: 12.8 kg ±3%
- Dimensions (L×W×H): 606mm × 155mm × 155mm (extended length)
Heavy-duty industrial cylinder designed for high-force linear motion applications. Features chrome-plated piston rod (hardness HRC 45-55) and anodized aluminum end caps for corrosion resistance. Optional magnetic piston version (SI125BX400SN-M9) available for position sensing. Requires 40μm filtered air with dew point -15℃ below ambient.
- Plastic injection molding machine ejectors
- Automotive assembly line clamping systems
- Foundry equipment actuation
- Heavy material handling gates/doors
- Paper mill compression mechanisms
Installation note:
Align cylinder axis within 0.2mm perpendicularity tolerance.
Use locknuts with 40-50 N·m torque for rod-end connections.
Allow 20mm clearance behind cushion screws for adjustment.
| Property | Property Value |
|---|---|
| sku | SI125BX400SN |
| 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 | SUS304 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | <400mm> |
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.