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 SI125X300SCB Standard Cylinder Technical Details
- Model Code: SI125X300SCB
- Bore Size: Ø125mm (±0.5mm manufacturing tolerance)
- Stroke: 300mm (adjustable cushioning range: 15-28mm)
- Operating Pressure: 0.05-1.0 MPa (optimal performance at 0.3-0.8 MPa)
- Piston Rod: Chrome-plated steel Ø32mm (hardness HRC 45-55)
- Cushioning Type: Adjustable hydraulic buffer (external adjustment screws)
- Mounting Style: Standard SCB series - front flange with mounting holes (4×M12)
- Port Size: G3/8 (BSPP thread) with 8mm push-in fittings
- Ambient Temperature: -20℃ to 80℃ (with silicone seals)
- Speed Range: 50-750 mm/s (lubricated operation)
- Body Material: Aluminum alloy (anodized surface treatment)
- Seal Type: NBR + polyurethane combination (oil & dust resistant)
- Weight: 8.7kg ±2% (without accessories)
- Dimensions:
- Total Length: 450mm (stroke 300mm + end caps)
- Body Diameter: Ø140mm (excluding mounting hardware)
- Mounting Flange: 200mm × 200mm × 15mm
- ISO Certification: 6431, 15552 compliant
High-thrust industrial cylinder with precision guided piston, designed for heavy-duty cyclic operations. Features double-acting operation with magnetic piston for position sensing compatibility (sensor not included). The hardened piston rod surface (0.02mm chrome layer) ensures extended service life in abrasive environments. Requires ISO VG32 hydraulic oil lubrication for optimal performance.
- Metal stamping press ejection systems
- Plastic injection molding machine clamping
- Automotive assembly line positioning devices
- Paper roll handling in printing facilities
- Foundry equipment for mold compression
| Property | Property Value |
|---|---|
| sku | SI125X300SCB |
| 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 | 300mm |
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.









