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 SI125X50SFA Standard Cylinder Specifications
- Model: SI125X50SFA
- Type: ISO 15552 standard pneumatic cylinder
- Bore size: 125 mm (5")
- Stroke: 50 mm (adjustable cushion)
- Operating pressure: 0.15–1.0 MPa (21.7–145 PSI)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to +80℃
- Cushioning: Adjustable air cushion at both ends
- Port size: G1/2 (BSPP thread)
- Seal material: NBR (Nitrile rubber)
- Rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Weight: 3.8 kg (8.38 lbs)
- Dimensions:
- Total length (L): 300 mm (stroke 50 + 250 base)
- Bore diameter (D): 125 mm
- Mounting flange height (H): 160 mm
- Rod end thread: M20×1.5
- ISO certification: Compliant with ISO 6432, VDMA 24562
High-force industrial cylinder with reinforced end caps and wear-resistant guides, designed for heavy-duty automation applications. Features precision-machined aluminum barrel with corrosion-resistant treatment and dual anti-rotation slots (standard on SFA series). Includes built-in magnet for position sensing compatibility.
- Automotive assembly line clamping systems
- Steel mill material handling actuators
- Injection molding machine ejectors
- Paper processing equipment
- Die-casting machine core pullers
- Magnetic sensor: D-A93 (IP67 rated)
- Mounting kit: MF12-125 (front flange)
- Rod lock: RL125-SS (stainless steel)
| Property | Property Value |
|---|---|
| sku | SI125X50SFA |
| 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 | <50mm> |
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.









