Airtac SI125 Standard Cylinder SI125X940S
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 SI125X940S Standard Pneumatic Cylinder Specifications
- Model: SI125X940S
- Type: ISO 15552 standard cylinder (double-acting)
- Bore size: Ø125mm
- Stroke: 940mm
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (ISO 228/1 standard)
- Piston rod thread: M36×1.5
- Mounting style: Basic type (optional foot/mounting flange)
- Material: Aluminum alloy barrel, chrome-plated rod
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Temperature range: -20℃ to 80℃
- Max theoretical thrust: 11,050N @0.63MPa
- Weight: 18.5kg ±2%
- Dimensions (L×W×H): 1,290mm (total length) × 170mm (body width) × 170mm (mounting height)
- Rod end type: External thread + locknut
- ISO compatibility: 15552/VDMA 24562/NF E49 003
High-force industrial cylinder designed for heavy-duty linear motion applications. Features precision honed tube (Ra≤0.2μm) and multi-lip rod seal system for ≤0.5mm/s leakage rate. Integrated magnet slot for sensor mounting (SI-M series compatible). Includes wear indicator rings for maintenance prediction.
- Metal stamping press ejection systems
- Injection molding machine clamp mechanisms
- Automotive welding fixture positioning
- Bulk material handling gates/diverters
- Paper converting machinery actuators
Installation note:
Maintain 0.1-0.3mm alignment tolerance during mounting. Lubricate with ISO VG32 hydraulic oil
during initial installation. For vertical mounting, install rod-down orientation with 20% force
margin. Requires 5μm filtration for optimal seal life.
| Property | Property Value |
|---|---|
| sku | SI125X940S |
| 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 | 940mm |
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.