Airtac SCJ32 Standard Cylinder SCJ32X160-40S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X160-40S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 40 mm range without swapping the cylinder. Ø32mm bore, 160mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke160 mm
- Stroke adjust-40 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X160-40S
The SCJ32X160-40S is a double-acting, single-rod pneumatic cylinder that puts fine stroke control directly into your hands. Its rear-cap adjusting screw provides a 40 mm field-adjustable range, allowing you to dial in the exact stroke end position from 120 mm to the nominal 160 mm without swapping the cylinder. With a 12 mm diameter rod and PT1/8 ports, this unit delivers 402 N of push force at 0.5 MPa.
This model includes a built-in magnet, coded by the 'S' suffix, enabling direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for reliable, non-contact position sensing. The standard TPU seal operates comfortably from -20 to +70 °C, and the 21 mm air cushion at each end protects the end caps from impact, ensuring long service life in high-cycle commissioning and format-change applications.
Airtac SCJ32 Standard Cylinder SCJ32X160-40S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X160-40S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 160 mm |
| Stroke adjustment | Up to 40 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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 SCJ32 Standard Cylinder SCJ32X160-40S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×160 | Nominal (maximum) stroke length in mm. |
| -40 | 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 SCJ32 Standard Cylinder SCJ32X160-40S Is Used
Commissioning & Setup
The 40 mm adjustment screw lets technicians fine-tune the stroke end position on a new assembly line in seconds, compensating for small variances in fixture placement without needing to re-machine end stops or swap out cylinders.
Wear Take-Up
In clamping or pressing operations, the adjustable stroke can be periodically shortened to compensate for wear on tooling or workpieces, maintaining consistent contact force and cycle quality over thousands of cycles.
Product Changeover
When a packaging line switches between different box sizes, the SCJ32X160-40S can be quickly re-adjusted to the new push-off distance, dramatically reducing changeover time compared to fixed-stroke cylinders that require physical repositioning.
Is the Airtac SCJ32 Standard Cylinder SCJ32X160-40S the Right Cylinder?
Choose the SCJ32X160-40S when you need a compact, sensor-ready actuator with a 40 mm stroke adjustment window. If your application demands more force, stepping up to the 40 mm bore SCJ40 series provides 628 N of push force at the same 0.5 MPa pressure. For applications that do not require stroke adjustment, a fixed-stroke SC32X160 cylinder offers a simpler, slightly shorter body length. This cylinder is a direct replacement for another AirTAC SCJ32X160-40S with PT ports and a basic mount; always match the bore, nominal stroke, and the 40 mm adjust range to maintain machine timing. The built-in magnet is essential for sensor feedback, so ensure the replacement also carries the -S suffix.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-40)
- ✓ 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 SCJ32 Standard Cylinder SCJ32X160-40S FAQ
The push force is 402 N at 0.5 MPa and 724 N at the maximum operating pressure of 0.9 MPa. Because it is a single-rod cylinder, the pull force is lower due to the rod area, measuring 345 N at 0.5 MPa. The adjusting screw does not alter the cylinder's force output.
The rear-cap screw acts as an internal, adjustable end-stop, limiting the piston's forward travel by up to 40 mm. It is a mechanical stroke limiter, not a locking device. The piston rod will drift or move if air pressure is lost or the valve is centered, so an external lock or pilot-operated check valve is required for position holding.
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