Airtac SCJ32 Standard Cylinder SCJ32X160-20S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X160-20S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 20 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-20 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X160-20S
The SCJ32X160-20S is a double-acting, single-rod pneumatic cylinder with a rear-cap adjusting screw that provides 20 mm of field-adjustable stroke-end tuning without removing the unit. Its 32 mm bore delivers 402 N of push force at 0.5 MPa, making it a precise actuator for commissioning trials and format changeovers on compact machinery.
A built-in magnet is integrated into the piston, allowing CMSG/DMSG/EMSG solid-state or reed sensors to be clamped directly onto the tie-rod barrel for reliable end-of-stroke detection. The cylinder uses a 12 mm diameter piston rod, PT1/8 ports, and an M10x1.25 rod thread, with a 21 mm air cushion to decelerate the load smoothly.
Airtac SCJ32 Standard Cylinder SCJ32X160-20S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X160-20S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 160 mm |
| Stroke adjustment | Up to 20 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 SCJ32X160-20S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×160 | Nominal (maximum) stroke length in mm. |
| -20 | 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 SCJ32X160-20S Is Used
Commissioning & Setup
Fine-tune the end-of-stroke position on packaging or assembly fixtures during initial machine setup without swapping cylinders or machining hard stops.
Wear Compensation
Adjust the stroke end on conveyor diverter gates or clamps to compensate for pad wear over time, maintaining consistent contact force without reprogramming.
Format Changeover
Quickly adapt the stroke length for different product sizes on a labeling or small-part insertion station using the rear adjusting screw.
Is the Airtac SCJ32 Standard Cylinder SCJ32X160-20S the Right Cylinder?
Choose the SCJ32X160-20S when you need to dial in a stroke end position within a 20 mm window on a 32 mm bore platform. If the application demands higher force, stepping up to a 40 mm bore SCJ provides 628 N of push at the same pressure. For applications requiring a fixed, non-adjustable stroke, the standard SC32 series is a more economical alternative.
This model is a direct replacement for any AirTAC SCJ32 cylinder with a 160 mm nominal stroke, 20 mm adjust range, PT ports, basic mounting, and a magnetic piston. For strokes of 300 mm or more, evaluate the rod's side-load capacity and consider an external guide or a guided cylinder to prevent bending.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-20)
- ✓ 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 SCJ32X160-20S FAQ
At 0.5 MPa, this 32 mm bore cylinder generates 402 N of push force and 345 N of pull force. The maximum push force at the 0.9 MPa operating limit is 724 N.
Yes, if you need the adjustable stroke feature. The SCJ32X160-20S has a 20 mm adjustment range and is slightly longer in body length than a fixed SC32. Ensure the mounting and porting (PT1/8) match your existing setup.
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