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 SI125X50FA Standard Cylinder Technical Specifications
- Model: SI125X50FA
- Type: ISO 15552 compliant single-acting spring return cylinder
- Bore size: Ø125 mm (±0.2mm manufacturing tolerance)
- Stroke: 50 mm (adjustable cushioning ±5mm)
- Operating pressure: 0.05–1.0 MPa (7-145 psi)
- Temperature range: -20℃ to 80℃ (NBR seals)/-10℃ to 60℃ (with FKM seals optional)
- Cushioning type: Adjustable pneumatic cushion at both ends
- Mounting style: Front flange (FA series) with ISO 15552 mounting pattern
- Port size: G1/2 (BSPP thread) with 6mm orifice diameter
- Piston rod thread: M20×1.5 external thread (18mm rod diameter)
- Seal material: Standard NBR, optional FKM/Viton®
- Protection rating: IP65 (standard wiper seal)
- Lubrication: Pre-lubricated (VG32 oil), maintenance-free for 5,000km stroke
- Repeat positioning accuracy: ±0.5mm (with guide units)
- Max speed: 0.1–1.5 m/s (optimal at 0.5 m/s)
- Weight: 6.8 kg (dry, without accessories)
- Dimensions: 350mm (L) × 125mm (W) × 125mm (H)
High-thrust industrial cylinder engineered for heavy-duty linear motion applications. Features double-walled aluminum alloy construction with hard-anodized piston rod (HRC 45-50 hardness). The integrated magnetizable piston enables position sensing compatibility with common inductive sensors (SM/SMF series). Includes wear-resistant guide bands for reduced side load sensitivity.
- Press machine ejection systems (200-300kN force capacity)
- Automotive welding fixture clamping
- Foundry equipment mold core pulling
- Heavy conveyor gate actuation
- Plastic injection molding machine component
| Property | Property Value |
|---|---|
| sku | SI125X50FA |
| 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 | Non-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.









