Airtac SI125 Standard Cylinder SI125X1250S
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 SI125X1250S Standard Cylinder Specifications
- Model: SI125X1250S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 1250 mm
- Operating pressure: 0.15–0.8 MPa (21.7–116 psi)
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: G1/2 (ISO 228/1 standard)
- Piston rod thread: M30x2 external thread (ISO 1337 compliant)
- Mounting style: Basic type (VA mounting per ISO 15552)
- Seal material: NBR (Nitrile) with polyurethane backup rings
- Temperature range: -20℃ to 80℃ (-4°F to 176°F)
- Protection rating: IP65 (dust-tight & water jet resistant)
- Rod material: Hard chrome-plated carbon steel (HRC 40-50)
- Tube material: Anodized aluminum alloy (6063-T5)
- Weight: 28.5 kg (62.8 lbs) ±3%
- Dimensions:
- Total length: 1430 mm (56.3")
- Stroke tolerance: ±1.5 mm
- Bore diameter: 125±0.1 mm
- Mounting height: 30 mm (from centerline to base)
- Rod diameter: 40 mm (h9 tolerance)
High-force industrial cylinder designed for heavy-duty linear motion applications. Features precision honed tube with wear-resistant coating and triple-lip rod seal for extended service life. The extended stroke version (1250mm) requires optional mid-stroke support brackets for velocities above 0.5 m/s. Includes magnetic piston for position sensing compatibility.
- Metal stamping press ejection systems
- Automotive assembly line clamping devices
- Paper roll handling in converting machinery
- Foundry equipment for mold manipulation
- Shipbuilding plate bending machines
Installation note:
Requires minimum 15μm filtration and ISO VG32 hydraulic oil mist lubrication (0.5-1.0 cc/m³).
For vertical mounting, use counterbalance valves. Maximum side load capacity: 850N at mid-stroke.
| Property | Property Value |
|---|---|
| sku | SI125X1250S |
| 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 | 1250 mm |
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.