Airtac SC50 Standard Cylinder SC50X170H
The AirTAC Airtac SC50 Standard Cylinder SC50X170H is a genuine double-acting standard air cylinder with a Ø50mm bore and 170mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke170 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X170H
The SC50X170H is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa (1374 N at 0.7 MPa), built for applications where heat resistance is non-negotiable. Its 20 mm diameter piston rod and 21 mm adjustable air cushion provide reliable deceleration, while the 150 mm body length A keeps the footprint compact for a 170 mm stroke.
This variant carries the 'H' suffix, specifying Viton (FKM) seals that shift the operating temperature window to 0–150 °C—well above the standard TPU range. It suits ovens, autoclaves, foundry equipment, and chemical washdown lines where standard seals would degrade. The PT1/4 port and M16x1.5 rod thread match common pneumatic fittings and rod-end accessories.
Airtac SC50 Standard Cylinder SC50X170H Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X170H |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 170 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 SC50X170H
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×170 | 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 SC50X170H Is Used
Hot-Zone Automation
With Viton seals rated to 150 °C, this cylinder operates reliably in oven door actuators, laminating presses, and autoclave clamps where ambient heat would harden standard polyurethane seals.
Chemical Process Valves
The FKM seal material resists aggressive cleaning agents and mild chemicals, making the SC50X170H a strong fit for actuating ball or butterfly valves on CIP (clean-in-place) skids and dosing lines.
Heated Conveyor Stops
Deploy this 170 mm stroke cylinder as a part stop or diverter on conveyors passing through drying or curing tunnels, where surface temperatures exceed the 70 °C limit of standard seals.
Is the Airtac SC50 Standard Cylinder SC50X170H the Right Cylinder?
Choose the SC50 bore when your application needs roughly 1000 N of force at standard shop air; stepping down to a 40 mm bore drops push force to 628 N at 0.5 MPa, while moving up to 63 mm bore raises it to 1559 N. For strokes of 170 mm, the 50 mm bore is well within its 1200 mm maximum standard stroke, so lead times remain short.
To replace an existing cylinder, match five points: 50 mm bore, 170 mm stroke, PT port thread, basic (no bracket) mounting, and the Viton seal for high-temperature compatibility. If side loads are present even at this moderate stroke, consider an external guide rail or a guided cylinder to protect the rod bearing from bending stress.
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 SC50X170H FAQ
At 0.5 MPa (5 bar) the cylinder produces 982 N pushing and 825 N pulling. At the maximum operating pressure of 0.9 MPa, push force reaches 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf.
No. The SC series is a tie-rod cylinder with a shorter overall body length than an ISO 15552 profile cylinder, so mounting dimensions and end-cap profiles differ. It replaces another AirTAC SC50 or an equivalent tie-rod cylinder with matching bore, stroke, PT ports, and basic mounting.
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