2. Piston features a durable Y-type axial seal with self-compensating function, providing extended service life and low friction resistance
3. Aluminum tube with crisscross reinforcement design and anodized tie rods for enhanced corrosion resistance
4. Adjustable cushioning for smooth operation
5. Multiple configurations available with comprehensive cylinder variants and mounting accessories for flexible system integration
Category: Standard Cylinders | Brand: AirTAC | Series: SI50
AirTAC SI50X390 Standard Cylinder Specifications
- Model: SI50X390
- Type: ISO 6432 standard single-acting/double-acting pneumatic cylinder
- Bore size: Ø50 mm
- Stroke: 390 mm
- Operating pressure: 0.15–0.8 MPa (21.7–116 psi)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: PT1/4 (G1/4 optional)
- Mounting: Basic type (with optional accessories for foot/mid-flange mounting)
- Piston rod thread: M20×1.5
- Temperature range: -20℃ to 80℃
- Seal material: NBR (Nitrile rubber), optional FKM for high temp
- Protection rating: IP65 (standard wipers)
- Weight: 2.8 kg (±3%)
- Dimensions: 440mm(L) × 80mm(W) × 80mm(H) (stroke extended)
- Max theoretical thrust: 1570N @0.8MPa (double-acting)
- Max speed: 500–800 mm/s (with cushion adjustment)
A heavy-duty industrial cylinder with extended stroke capability, featuring precision-machined aluminum alloy construction and chrome-plated piston rod. The SI50 series incorporates dual anti-rotation guides and enhanced rod bearing design for high moment load resistance. Optimal for applications requiring consistent force output across long linear movements.
- Palletizing robot arm actuators
- Injection molding machine ejectors
- Automated conveyor gate controls
- Metal stamping press feeding systems
- Textile machinery tensioning devices
- 50,000 km (piston rod travel distance) under standard conditions
- Replace rod seals every 10 million cycles in high-speed applications
- Re-lubrication interval: 3 months or 5,000 operating hours
| Property | Property Value |
|---|---|
| sku | SI50X390 |
| 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℃ to 80℃ Speed Range: 30-800 mm/s |
| Port Size | PT1/4 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | Non-magnetic |
| Bore Diameter | <50mm> |
| Stroke | 390mm |
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.









