Airtac SI125 Standard Cylinder SI125X250S
$259.12
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$266.62
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SI125X250S
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Description
1. ISO15552 (formerly ISO6431) Standard Pneumatic Cylinder
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
Installation notes:
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 SI125X250S Standard Cylinder Specifications
- Model: SI125X250S
- Type: ISO 15552 compliant single-acting/double-acting cylinder
- Bore size: 125 mm
- Stroke: 250 mm (±1.5mm tolerance)
- Operating pressure: 0.1–0.9 MPa (1–9 bar)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (ISO 228/1)
- Piston speed: 50–750 mm/s
- Ambient temperature: -20℃ to +80℃
- Mounting: Basic flange (ISO 15552 MF1)
- Material:
- Barrel: Aluminum alloy (hard anodized)
- Piston rod: Chrome-plated steel (Cr equivalent ≥5μm)
- End caps: Extruded aluminum
- Seals: NBR (standard), optional FKM/Viton
- Weight: 12.7 kg (without accessories)
- Dimensions:
- Total length: 524 mm (at full retraction)
- Extended length: 774 mm (stroke + retracted length)
- Flange width: 160 mm
- Rod end thread: M20×1.5 (ISO 1337)
High-force industrial cylinder with corrosion-resistant construction, designed for heavy-duty automation systems. Features wear-resistant rod guides and precision honed tube for smooth operation. Optional magnetic piston version (SI125X250S-M9) available for position sensing.
Typical Applications:
- Press machine ejection systems
- Automotive welding fixture clamping
- Plastic injection molding machine core pulls
- Steel coil handling equipment
- Paper mill roller positioning
Installation notes:
- Align cylinder axis within 0.2mm perpendicularity tolerance
- Use M20 locknut (DIN 1804) with 45–50 Nm torque
- Lubricate rod with ISO VG32 hydraulic oil during maintenance
- For vertical mounting, install exhaust mist lubricator (AM400 series recommended)
| Property | Property Value |
|---|---|
| sku | SI125X250S |
| 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 | <250MM> → <250mm> |
Shipping policies
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.
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