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 SI50X870STC Standard Cylinder Specifications
- Model: SI50X870STC
- Series: SI50 Standard Cylinder (ISO 6432 compliant)
- Bore size: 50 mm
- Stroke: 870 mm
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -20℃ to 80℃
- Cushion type: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (Standard) with front/rear flange options
- Port size: G1/8 (ISO standard tapered thread)
- Piston rod thread: M16×1.5
- Tube material: Aluminum alloy with hard anodized surface
- End cover material: Aluminum alloy
- Piston rod material: Stainless steel (SUS304)
- Seal material: NBR (Nitrile rubber) with wear-resistant ring
- Weight: 5.2 kg (empty/without accessories)
- Dimensions (L×W×H):
- Total length: 1058 mm (stroke + 94mm end-to-end)
- Body diameter: 50 mm ±0.5mm
- Mounting base: 80×80 mm square pattern
- Max theoretical thrust: 1767N @0.63MPa
- Max speed: 500–800 mm/s (cushioned)
- Lubrication: Pre-lubricated (oil-free operation possible)
- Protection rating: IP65 (dust-tight & water jet resistant)
A heavy-duty long-stroke pneumatic cylinder optimized for industrial automation. Features precision honed tubing with chromed piston rod and dual shock-absorbing cushions. The STC variant includes magnetic piston for position sensing compatibility. Requires 40μm filtered air with optional auto-switch mounting grooves.
- Automated assembly line material handling
- Plastic injection molding machine ejectors
- Textile machinery tension control systems
- Automotive welding fixture positioning
- Packaging machine vertical lift mechanisms
- Align cylinder axis with motion direction within ±0.5° tolerance
- Allow 50mm clearance at rod end for full extension
- Use flexible couplings for stroke >500mm applications
- Relubricate every 3,000km operation (or 6 months)
| Property | Property Value |
|---|---|
| sku | SI50X870STC |
| 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 | S-Magnetic |
| Bore Diameter | <50mm> |
| Stroke | 870mm |
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.









