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 SI50X250STC Standard Cylinder Specifications
- Model: SI50X250STC
- Bore size: 50 mm
- Stroke: 250 mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable elastic cushion (both ends)
- Mounting style: Standard ISO/VDMA front flange with mounting holes
- Port size: G1/8 (M5 optional)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Piston rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal type: NBR (Nitrile rubber)
- Weight: 2.45 kg (excluding accessories)
- Dimensions:
- Extended length: 516 mm
- Retracted length: 266 mm
- Body diameter: 50 mm
- Mounting hole spacing: 42 mm (vertical) × 32 mm (horizontal)
- ISO standard: 6432
- Lubrication: Pre-lubricated (relubrication required every 3,000 km)
A heavy-duty ISO-compliant pneumatic cylinder featuring wear-resistant construction and precision honed tube. The dual cushioning system minimizes end-impact noise while allowing fine adjustment of stroke-end deceleration. Corrosion-resistant anodized surface treatment ensures durability in humid environments. Compatible with magnetic sensors for position feedback (sensor groove included).
- Automated assembly line clamping mechanisms
- Packaging machine pusher arms
- Foundry equipment door actuators
- Plastic injection molding ejector systems
- Automotive welding fixture positioning
| Property | Property Value |
|---|---|
| sku | SI50X250STC |
| 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 | <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.









