Airtac SC50 Standard Cylinder SC50X650H
The AirTAC SC50 Standard Cylinder SC50X650H is a genuine double-acting standard air cylinder with a Ø50mm bore and 650mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke650 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SC50 Standard Cylinder SC50X650H
The AirTAC SC50X650H is a double-acting tie-rod cylinder delivering 982 N of push force at 0.5 MPa, ideal for medium-duty automation tasks. Its 50 mm bore houses a 20 mm diameter piston rod with M16x1.5 male threads, and the 650 mm stroke is well within the 1200 mm maximum standard stroke for this bore size.
Equipped with Viton (FKM) seals, this model operates reliably in high-temperature environments from 0 to +150 °C, making it suitable for autoclaves, drying ovens, and foundry equipment. The adjustable pneumatic cushion at each end (21 mm length) decelerates the piston smoothly, reducing end-of-stroke impact without any mechanical locking function.
Airtac SC50 Standard Cylinder SC50X650H Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X650H |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 650 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (approx.) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC50 Standard Cylinder SC50X650H
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×650 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SC50 Standard Cylinder SC50X650H Is Used
High-Temperature Process Automation
With Viton seals rated to 150°C, the SC50X650H actuates dampers, diverters, and clamps inside industrial ovens, autoclaves, and heat-treating lines where standard seals would degrade.
Long-Stroke Material Transfer
The 650 mm stroke pushes or pulls parts between conveyor lanes or assembly stations. Its 982 N force at 0.5 MPa handles medium-weight pallets and fixtures with controlled, cushioned motion.
Chemical & Washdown Equipment
Viton's chemical resistance suits fertilizer dosing gates, steam-clean areas, and aggressive fluid handling. The tie-rod design allows field servicing, and the PT1/4 port connects to standard pneumatic plumbing.
Is the Airtac SC50 Standard Cylinder SC50X650H the Right Cylinder?
Choose the SC50 bore when your application requires roughly 1000 N of force at standard plant pressure. If you need more force, stepping up to the SC63 delivers 1559 N at 0.5 MPa; for lighter, faster moves, the SC40 provides 628 N. This 650 mm stroke model uses a basic mount configuration—order mounting accessories like foot mount LB (F-SC50LB) or rear clevis CA (F-SC50CA) separately if needed.
For strokes over 300 mm, always check for side loading on the 20 mm rod. At 650 mm extended, even small off-axis forces can bend the rod or wear the bearing. Use an external linear guide or switch to a guided cylinder if your load is not perfectly aligned with the rod axis. To replace an existing cylinder, match bore, stroke, PT port thread, basic mount, and Viton seal material exactly.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SC50 Standard Cylinder SC50X650H FAQ
At 0.5 MPa (5 bar), the push force is 982 N and pull force is 825 N. At 0.7 MPa, push rises to 1374 N. The maximum operating force at 0.9 MPa is 1767 N. These values assume clean, filtered air at 40 µm and standard temperature conditions.
Only if the load is purely axial with no side forces. The 20 mm rod at 650 mm extension is vulnerable to bending under side load. For any off-axis force, install an external guide rail or select a guided cylinder to prevent rod damage and premature seal failure.
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