Airtac SCJ50 Standard Cylinder SCJ50X160-100
The AirTAC Airtac SCJ50 Standard Cylinder SCJ50X160-100 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 100 mm range without swapping the cylinder. Ø50mm bore, 160mm nominal stroke, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Nominal stroke160 mm
- Stroke adjust-100 mm
- Port sizePT1/4
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SCJ50 Standard Cylinder SCJ50X160-100
The SCJ50X160-100 is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke, giving you a 100 mm rear-screw adjustment range to precisely dial in the stroke end position without swapping the cylinder. At 0.5 MPa, it delivers 982 N of push force and 825 N on the pull stroke, driven by a 20 mm diameter piston rod through PT1/4 ports.
This 50 mm bore tie-rod cylinder features an adjustable air cushion for smooth deceleration and a body length of 194 mm (A dimension). It is ideal for commissioning trials, format changeovers, or any application where the mechanical stop needs fine-tuning after installation, operating reliably from -20 to +70 °C with its standard TPU seals.
Airtac SCJ50 Standard Cylinder SCJ50X160-100 Technical Specifications
| Model | Airtac SCJ50 Standard Cylinder SCJ50X160-100 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø50 mm |
| Nominal stroke | 160 mm |
| Stroke adjustment | Up to 100 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 SCJ50X160-100
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×160 | Nominal (maximum) stroke length in mm. |
| -100 | 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 SCJ50X160-100 Is Used
Commissioning & Setup
Use the 100 mm rear adjusting screw to fine-tune the end-of-stroke position during machine commissioning, eliminating the need for shims or custom external hard stops.
Format Changeovers
Quickly adjust the cylinder's throw for different product sizes on packaging or sorting lines. The screw adjustment allows operators to change the stroke end in seconds without tools.
Wear Compensation
In clamping or pressing fixtures, the adjustable stroke can take up for tooling wear or material thickness variations over time, maintaining consistent contact force without reprogramming.
Is the Airtac SCJ50 Standard Cylinder SCJ50X160-100 the Right Cylinder?
Choose the SCJ50X160-100 when you need to commission or adjust a machine's end-stop position within a 100 mm window without redesigning the mounting. If your force requirement is lower, stepping down to a 40 mm bore reduces push force to 628 N at 0.5 MPa; for higher force, the 63 mm bore provides 1559 N. For a direct replacement, match an AirTAC SCJ adjustable-stroke cylinder with a 50 mm bore, 160 mm nominal stroke, 100 mm adjust range, PT port thread, and basic mounting. If the stroke is fixed after setup and never needs field changes, a standard SC fixed-stroke cylinder is a simpler, more cost-effective choice.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-100)
- ✓ 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 SCJ50X160-100 FAQ
The push force is 982 N at 0.5 MPa and 1767 N at the maximum operating pressure of 0.9 MPa. The pull force is lower due to the single 20 mm rod, providing 825 N at 0.5 MPa. Always size for the lower pull force if the cylinder works in both directions.
A rear-cap screw sets the mechanical stroke end, shortening the 160 mm nominal stroke by up to 100 mm. This is a physical stop adjustment, not a force or speed control. The cylinder does not hold its position if air pressure is lost; an external rod lock or pilot-operated check valve is required for load holding.
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