The AirTAC Airtac SC40 Standard Cylinder SC40X112 is a genuine double-acting standard air cylinder with a Ø40mm bore and 112mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X112 is a double-acting tie-rod cylinder producing 628 N of push force at 0.5 MPa (1130 N at 0.9 MPa). Its 40 mm bore and 112 mm stroke suit medium-force clamping, pressing, and positioning tasks where a compact body length of 254 mm (body A 142 mm + 112 mm stroke) fits the machine envelope.
A 16 mm diameter piston rod provides good column strength for straight-line pushing, while the adjustable air cushion (21 mm cushion length) decelerates the load smoothly at both ends. Standard PT1/4 ports and an M12x1.25 rod thread simplify pneumatic connections and tooling attachment.
| Model | Airtac SC40 Standard Cylinder SC40X112 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 112 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. |
| ×112 | 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 628 N push force at 0.5 MPa reliably stops or diverts medium-weight packages and totes on conveyor lines, with the 112 mm stroke providing ample gate travel.
Delivers controlled insertion force for press-fit pins, bushings, or bearings in benchtop assembly fixtures, where the 16 mm rod resists buckling under axial load.
The 40 mm bore offers a good balance of speed and force for actuating flipper gates or paddle diverters in material handling systems running at 30-800 mm/s.
Choose the SC40X112 when your application needs roughly 628 N at 0.5 MPa. If you require more force, the SC50 bore steps up to 982 N at the same pressure; for a lighter, more compact solution, the SC32 delivers 402 N. Always match bore, stroke, PT1/4 port thread, and mounting accessories precisely when replacing an existing cylinder.
For this 112 mm stroke, the standard 16 mm rod is well-supported inside the barrel, but any significant side load still demands an external guide or a guided cylinder to protect the rod bearing and seals from premature wear.
Quick checklist
At 0.5 MPa, the push force is 628 N and the pull force is 528 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 1130 N. These values assume clean, filtered air at the specified pressure.
No. The SC series is a tie-rod cylinder with a shorter overall body length than an ISO 15552 cylinder, so dimensions are not interchangeable. It is a direct replacement only for another AirTAC SC40 cylinder with the same stroke, port thread (PT), and mounting configuration.
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