Airtac SI125 Standard Cylinder SI125X20H
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 SI125X20H Standard Cylinder Technical Specifications
- Model: SI125X20H
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: Ø125 mm (±0.1mm manufacturing tolerance)
- Stroke: 20 mm (adjustable cushioning)
- Operating pressure: 0.1–1.0 MPa (1–10 bar)
- Medium temperature: -20℃ to 80℃ (dry air recommended)
- Cushioning type: Adjustable rubber buffers (both ends)
- Mounting style: Front/rear flange (ISO 15552 MF1/MF2 compatible)
- Piston rod thread: M20×1.5 (external)
- Port size: G1/2 (BSPP thread)
- Seal material: NBR (standard), optional FKM for high temp
- Piston speed: 50–800 mm/s (optimal performance at 300 mm/s)
- Weight: 4.3 kg (excluding accessories)
- Dimensions: 205mm(L) × 155mm(W) × 155mm(H)
- Protection rating: IP65 (standard wiper seal)
- Theoretical force output: 1227N@0.5MPa, 2453N@1.0MPa
High-thrust industrial cylinder with precision-ground stainless steel rod (Cr surface treatment) and anodized aluminum barrel. Features dual magnetic sensor slots (T-slot & U-slot compatibility) for position feedback. The H-suffix indicates heavy-duty construction with 30% increased lateral load capacity compared to standard SI series.
- Press machine ejection systems
- Automotive welding fixture clamping
- Heavy conveyor gate actuation
- Plastic injection molding machine core pulls
- Steel mill roller positioning
Installation tip:
For vertical mounting, use counterbalance valves when holding loads >50kg.
Lubricate with ISO VG32 pneumatic oil through integrated grease nipple (M6×1)
every 50km of cumulative stroke movement.
| Property | Property Value |
|---|---|
| sku | SI125X20H |
| Seal Material | FKM |
| 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 | <20mm> |
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.