Airtac SCJ50 Standard Cylinder SCJ50X200-10S
The AirTAC Airtac SCJ50 Standard Cylinder SCJ50X200-10S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 10 mm range without swapping the cylinder. Ø50mm bore, 200mm nominal stroke, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Nominal stroke200 mm
- Stroke adjust-10 mm
- Port sizePT1/4
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SCJ50 Standard Cylinder SCJ50X200-10S
The SCJ50X200-10 is a double-acting, single-rod pneumatic cylinder with a 50 mm bore and a 200 mm nominal stroke, delivering 982 N of push force at 0.5 MPa. Its defining feature is the rear-cap adjusting screw, which allows you to fine-tune the stroke end position within a 10 mm range without removing the cylinder from the machine, making it invaluable for commissioning and format changeovers.
This model includes a built-in magnet (suffix -S), enabling direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors along the tie-rod barrel for precise end-of-stroke detection. The 20 mm diameter piston rod provides a pull force of 825 N at the same pressure, and the integrated air cushion, with a 21 mm length, decelerates the piston smoothly at the end of its travel.
Airtac SCJ50 Standard Cylinder SCJ50X200-10S Technical Specifications
| Model | Airtac SCJ50 Standard Cylinder SCJ50X200-10S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø50 mm |
| Nominal stroke | 200 mm |
| Stroke adjustment | Up to 10 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| 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 SCJ (adjustable-stroke) datasheet. The rear adjusting screw sets the stroke end position; force is the same as the equivalent single-rod SC bore. 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 (@1.0 MPa) | 200 kgf | |
SCJ is single-rod, so force matches the equivalent SC bore: push uses the full bore area, pull subtracts the rod area. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac SCJ50 Standard Cylinder SCJ50X200-10S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×200 | Nominal (maximum) stroke length in mm. |
| -10 | Adjustable-stroke range in mm (options 10/20/30/40/50/75/100). |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod, fixed stroke), SCD (double rod), SCT (multi-position). SCJ mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCJ50 Standard Cylinder SCJ50X200-10S Is Used
Commissioning & Setup
The 10 mm adjustment screw allows technicians to dial in the perfect stroke end position during initial machine setup without needing to swap out hard stops or shims.
Product Changeover
On a packaging line, the stroke can be quickly adjusted to accommodate a new box size, minimizing downtime between production runs of different products.
Wear Compensation
In a clamping or pressing operation, the adjustable stroke can be used to take up for tooling wear over time, maintaining consistent clamp force without reprogramming.
Is the Airtac SCJ50 Standard Cylinder SCJ50X200-10S the Right Cylinder?
Choose the SCJ50X200-10 when your application requires a 200 mm stroke with the ability to make fine, on-machine adjustments of up to 10 mm to the stroke end. If you need more force, stepping up to a 63 mm bore provides 1559 N of push force at 0.5 MPa. For applications where the stroke is fixed and will never need adjustment, the standard SC50X200 is a more cost-effective, fixed-stroke alternative. This cylinder is a direct replacement for another AirTAC SCJ50X200-10 with a PT port, basic mounting, and a magnet. For strokes of this length, ensure the load is guided to prevent excessive side-loading and rod bending.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-10)
- ✓ Required force at your working pressure
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Set the rear adjusting screw, then lock it before running.
- check Adjust end cushion screws for smooth stops.
- check Use SCJ mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCJ50 Standard Cylinder SCJ50X200-10S FAQ
A screw in the rear cap acts as an adjustable stop for the piston. Turning the screw changes the retracted end position of the stroke by up to 10 mm. It adjusts the stroke end, not the cylinder's speed or output force, which remain constant at 982 N push and 825 N pull at 0.5 MPa.
Yes, the built-in magnet (indicated by the -S suffix) is designed for AirTAC's CMSG, DMSG, and EMSG series of sensors. These sensors clamp directly onto the cylinder's tie-rods to detect piston position without additional mounting brackets.
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