Airtac SI50 Standard Cylinder SI50BX250S
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 SI50BX250S Standard Cylinder Specifications
- Model: SI50BX250S
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: 50 mm (1.97")
- Stroke: 250 mm (9.84")
- Operating pressure: 0.1–0.9 MPa (14.5–130.5 PSI)
- Temperature range: -20℃ to 80℃ (-4°F to 176°F)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting: Front/rear flange (NF1) or foot mounting (MP2) options
- Port size: 1/4" NPT (G1/8 optional)
- Piston rod thread: M16×1.5
- Material: Aluminum alloy cylinder tube, hard chrome-plated steel rod
- Seals: NBR/Urethane combination
- Weight: 2.8 kg (6.17 lbs)
- Dimensions:
- Extended length: 471 mm (18.54")
- Retracted length: 221 mm (8.70")
- Body diameter: 50 mm (1.97")
- Mounting flange width: 76 mm (2.99")
High-performance industrial cylinder with wear-resistant design, featuring a chromium-molybdenum steel piston rod treated with multi-stage surface hardening (500-700 HV). The dual cushioning system minimizes end-impact noise below 75 dB(A). Includes built-in magnetic sensor slots (non-energized model available as SI50BMX250S).
- Automated assembly line clamping mechanisms
- Plastic injection molding machine ejectors
- CNC machine tool door actuators
- Packaging equipment pusher systems
- Automotive welding fixture positioning
Maintenance note:
Lubricate through air supply (ISO VG32 recommended). Avoid side load exceeding 15% of maximum thrust.
For vertical mounting, use M5×0.8 threaded holes on rod end for safety cable attachment.
- Thrust: 113 kg (249 lbs)
- Pull force: 98 kg (216 lbs)
- Maximum piston speed: 500–700 mm/s (with cushioning engaged)
| Property | Property Value |
|---|---|
| sku | SI50BX250S |
| 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 | SUS304 |
| 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.