Airtac SI125 Standard Cylinder SI125X75STC
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 SI125X75STC Standard Cylinder Technical Specifications
- Model Code: SI125X75STC
- Bore Size: Ø125mm (±0.5mm tolerance)
- Stroke: 75mm (standard stroke)
- Mounting Style: Front flange mount (ISO 15552 compatible)
- Operating Pressure: 0.05-1.0 MPa (7-145 PSI)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Piston Speed: 50-800 mm/s (lubricated)
- Ambient Temperature: -20℃ to 80℃ (-4°F to 176°F)
- Port Size: G1/2 (BSPP thread)
- Piston Rod Thread: M20×1.5 (ISO 9409-1 standard)
- Rod End Type: External thread + through hole
- Seal Material: NBR (Nitrile) with wear-resistant ring
- Tubing Connection Direction: Axial ports
- Weight: 11.2 kg (24.7 lbs) ±3%
- Dimensions (L×W×H):
- Extended Length: 323mm
- Retracted Length: 248mm
- Body Diameter: Ø142mm (including mounting flange)
- Mounting Center Distance: 160mm (ISO 15552 pattern)
High-torque industrial cylinder featuring dual piston seals and chromium-plated rod surface (Ra ≤0.2μm roughness). The STC variant includes reinforced front flange mounting with 4×M12 mounting bolts. Requires ISO VG32 hydraulic oil lubrication for optimal performance. Built-in magnet (optional) allows position sensing compatibility with standard magnetic switches.
- Metal stamping press ejection systems
- Plastic injection molding machine clamp units
- Heavy-duty conveyor gate actuators
- Paper roll handling equipment
- Automotive welding fixture positioning
Installation Guidelines:
Maintain 0.5mm minimum clearance between rod end and load during alignment.
Use M12 grade 8.8 bolts (recommended torque 85Nm) for flange mounting.
Install air filter-regulator-lubricator (FRL) unit upstream with ≤25μm filtration.
| Property | Property Value |
|---|---|
| sku | SI125X75STC |
| 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 | 75mm |
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.