Airtac SI125 Standard Cylinder SI125X250SH
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 SI125X250SH Standard Cylinder Technical Specifications
- Model: SI125X250SH
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: Ø125mm (±0.1mm tolerance)
- Stroke: 250mm (adjustable cushioning)
- Operating pressure: 0.05-1.0 MPa (7-145 PSI)
- Cushioning type: Adjustable air cushion at both ends
- Temperature range: -20℃ to 80℃ (NBR seals)
- Port size: G1/2 (BSPP thread)
- Piston rod thread: M30x1.5 (ISO 9409-1 standard)
- Material: Aluminum alloy barrel, hardened steel piston rod (Cr-Mo steel with hard chrome plating)
- Seal material: Nitrile rubber (NBR) standard, optional polyurethane (PU)
- Weight: 12.8kg (excluding accessories)
- Dimensions:
- Total length: 448mm (at mid-stroke)
- Extended length: 573mm (full stroke)
- Body diameter: Ø140mm
- Mounting center distance: 190mm (SH-type trunnion)
High-torque industrial cylinder with reinforced end-lock mechanism, featuring anodized aluminum construction for corrosion resistance. The 6mm thick mounting trunnions (SH-type) provide stable fixed-axis installation. Integrated magnet slot (M9) enables position sensing compatibility. Optimized for heavy-duty cycles up to 5 million repetitions.
- Automotive press line material handling
- Foundry mold clamping systems
- Paper roll handling in converting machinery
- Heavy-duty lifting platforms (vertical orientation)
- Injection molding machine ejectors
Installation note:
Maximum side load capacity 850N. For vertical mounting, use M20x1.5 mounting bolts (grade 8.8 or higher).
Lubricate with ISO VG32 hydraulic oil if operating below 0℃. Allow 50mm front clearance for rod extension.
| Property | Property Value |
|---|---|
| sku | SI125X250SH |
| 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 | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | <250MM> → <250mm> |
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.