The AirTAC Airtac SC40 Standard Cylinder SC40X620STC is a genuine double-acting standard air cylinder with a Ø40mm bore and 620mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC40X620STC is a double-acting tie-rod cylinder delivering 628 N of push force at 0.5 MPa (1130 N at 0.9 MPa). With a 40 mm bore and a 620 mm stroke, it features a 16 mm diameter piston rod and PT1/4 ports, making it a capable mid-range actuator for linear motion tasks.
This model includes a built-in magnet (-S) for mounting CMSG/DMSG/EMSG sensors directly on the barrel, and a centre trunnion mount (TC) with the TCM1 bracket (F-SC40TC) for pivoting applications. The adjustable air cushion at each end is 21 mm long, and the total extended body length is approximately 762 mm.
| Model | Airtac SC40 Standard Cylinder SC40X620STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 620 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (approx.) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SC | Standard tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×620 | 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.
The 620 mm stroke and centre trunnion mount allow this cylinder to pivot, making it ideal for diverting packages or parts between conveyor lanes in packaging and logistics systems.
With 1130 N of force at 0.9 MPa and magnetic piston sensing, it provides reliable, confirmed clamping of workpieces in CNC machining or welding fixtures.
The tie-rod construction and 628 N push force suit it for opening and closing slide gates on agricultural hoppers or silos, with sensors confirming the gate's open/closed position.
For applications needing slightly less force, the 32 mm bore SC32 series offers 402 N at 0.5 MPa. If higher force is required, stepping up to the SC50 bore provides 982 N at the same pressure. The 620 mm stroke is within the 1200 mm maximum standard stroke for the 40 mm bore.
At this stroke length, consider the potential for side loading on the 16 mm rod. For unsupported loads or non-axial forces, use an external guide rail or a guided cylinder to prevent rod bearing damage and ensure long service life. When replacing, match the bore, stroke, PT port thread, centre trunnion mount, and the integrated magnet sensor capability.
Quick checklist
At the standard operating pressure of 0.5 MPa, the cylinder provides 628 N extending and 528 N retracting. At the maximum operating pressure of 0.9 MPa, the extending force increases to 1130 N.
Yes. The 'TC' suffix indicates it includes a centre trunnion mount and the TCM1 bracket (F-SC40TC). This allows the cylinder body to pivot as it actuates, accommodating angular movement of the load.
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