Airtac SC50 Standard Cylinder SC50X1800S
The AirTAC Airtac SC50 Standard Cylinder SC50X1800S is a genuine double-acting standard air cylinder with a Ø50mm bore and 1800mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke1800 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X1800S
The AirTAC SC50X1800S is a double-acting tie-rod cylinder delivering 982 N of push force at 0.5 MPa, scaling up to 1767 N at the maximum operating pressure of 0.9 MPa. This model features a 20 mm diameter piston rod and an extra-long 1800 mm stroke, which exceeds the standard maximum of 1200 mm for the 50 mm bore, classifying it as a non-standard, made-to-order configuration.
Equipped with a built-in magnet (denoted by the -S suffix), the cylinder barrel accepts CMSG, DMSG, or EMSG reed and solid-state sensors for precise, non-contact position feedback. The standard PT1/4 port threads and M16x1.5 rod thread ensure straightforward pneumatic connections, while the 21 mm adjustable air cushion at each end decelerates the piston to reduce end-of-stroke impact.
Airtac SC50 Standard Cylinder SC50X1800S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X1800S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 1800 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 SC50X1800S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×1800 | 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 SC50X1800S Is Used
Long-Stroke Material Pusher
Ideal for a gantry or overhead pusher system that must sweep parts across a wide conveyor or table. The 1800 mm stroke covers a large distance, and the built-in magnet allows end-of-stroke sensing to trigger the return sequence.
Vertical Panel Lifter
Used in a guided vertical lift for raising large panels or doors in processing equipment. The 1767 N push force at 0.9 MPa can handle substantial guided loads, but the rod must be protected from bending by an external guide system.
Automated Spray Boom Actuator
Extends and retracts a spray boom across a wide agricultural or industrial treatment bay. The magnet-equipped barrel provides reliable position confirmation in dusty or wet conditions when paired with a solid-state DMSG sensor.
Is the Airtac SC50 Standard Cylinder SC50X1800S the Right Cylinder?
Select the SC50 bore when your application requires a push force between 628 N (SC40 at 0.5 MPa) and 1559 N (SC63 at 0.5 MPa). For this 1800 mm stroke, side-load management is critical; an unsupported 20 mm rod extending this far is highly susceptible to bending under any lateral force. You must guide the load externally with a linear rail or rod guide to prevent premature rod bearing wear and seal failure.
To ensure a correct replacement, match five key specifications: 50 mm bore, 1800 mm stroke, PT1/4 port thread, the built-in magnet for sensor compatibility, and the basic mounting style. This cylinder is a tie-rod design and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC50X1800S FAQ
The theoretical push force at 0.5 MPa is 982 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N. The theoretical maximum force at 1.0 MPa is 200 kgf.
A stroke of 1800 mm on a 20 mm rod creates a high risk of buckling under compressive loads and bending under side loads. You must use an external linear guide or rod support to constrain the load's path and prevent any lateral force from reaching the rod bearing. The cylinder's air cushion only decelerates the piston; it does not lock or hold the position.
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