Airtac SI125 Standard Cylinder SI125X35H
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 SI125X35H Standard Cylinder Technical Specifications
- Model: SI125X35H
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: Ø125mm
- Stroke: 35mm (Standard stroke range: 25-500mm)
- Operation: Pneumatic (Air pressure actuated)
- Working pressure: 0.05-1.0 MPa
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: G1/2 (BSPP thread)
- Operating temperature: -20℃ to 80℃
- Piston rod material: Chrome-plated 45# steel
- Cylinder tube: Hard anodized aluminum alloy
- Seals: NBR (Nitrile) standard, optional FKM/Viton
- Mounting: Basic front flange (ISO 15552 MF1), multiple mounting options available
- Weight: 3.8kg ±2% (without accessories)
- Dimensions: 250mm(L) × 125mm(W) × 125mm(H) (Full retracted length)
- Rod thread: M20×1.5 external thread
- Max theoretical force: 1,227N @ 0.63MPa
- Speed range: 50-750mm/s (with cushioning)
- Protection rating: IP65 (Dust-tight & water jet resistant)
High-force industrial cylinder with precision-machined guide bearings for minimal lateral play. Features corrosion-resistant construction with triple chrome plating on piston rod (20-30μm thickness). Optional magnetic piston version (SI125X35H-M9) for position sensing. Requires 5-40μm filtered lubricated air (ISO 8573-1 Class 3-4-3).
- Press machine ejection systems
- Automotive assembly line clamping devices
- Heavy-duty material handling gates
- Packaging machine compression units
- Plastic injection molding ejectors
- Steel mill positioning mechanisms
Installation note:
Allow minimum 10mm clearance around cylinder body for heat dissipation.
Use flexible couplings when mounting to prevent side load misalignment.
Lubricate through air supply (ISO VG32 turbine oil recommended).
| Property | Property Value |
|---|---|
| sku | SI125X35H |
| 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 | 35mm |
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.