This model is discontinued
AirTAC has phased out the ACP series. The drop-in replacement is ACEJ16X70-40SB — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACEJ16X70-40SB in place of this model. The ACE replacement is a current-production ISO 21287 compact cylinder in the same bore, stroke and force class, with a matching short body and the same mounting-accessory family, so it fits the same envelope. Confirm mounting-interface dimensions against the ACE datasheet before ordering.
Airtac ACPJ Adjustable Compact Cylinder ACPJ16X70-40SB
The AirTAC Airtac ACPJ Adjustable Compact Cylinder ACPJ16X70-40SB is a double acting, adjustable stroke DIN-standard tight/compact air cylinder with a Ø16mm bore and 70mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ16X70-40SB (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ16 mm
- Stroke70 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM4×0.7
- StatusDiscontinued → ACEJ16X70-40SB
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ACPJ Adjustable Compact Cylinder ACPJ16X70-40SB
This ACPJ16X70-40SB is a double acting compact cylinder with an adjustable stroke: a stop screw trims the 70 mm extend stroke by up to 40 mm, giving a usable range of 30-70 mm on site. The 16 mm bore delivers 100.5 N push and 75.4 N pull at 0.5 MPa, rising to 140.7 N push at 0.7 MPa, with a theoretical peak of 20.5 kgf at 1.0 MPa. The male rod thread (B code) suits knuckle and tooling attachments, and the fitted -S magnet accepts CMSE / DMSE switches for end-of-stroke sensing.
The short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight jigs and guarding where a full-length body cannot. For sizing, plan on about 60 N of usable push at 0.5 MPa, which lifts roughly 5 kg vertically with a 2:1 margin. Note this model is discontinued: the current-production replacement is the ACEJ16X70, so confirm ISO 21287 mounting dimensions before swapping, since the ACP is DIN-standard.
Airtac ACPJ Adjustable Compact Cylinder ACPJ16X70-40SB Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ16X70-40SB |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ16X70-40SB |
| Bore size | Ø16 mm |
| Stroke | 70 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | M5×0.8 |
| Rod thread | M4×0.7 |
| 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 – 500 mm/s |
| Cushion | Fixed bumper (both ends) |
| Max standard stroke | Up to 75 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ACEJ16X70-40SB (ISO 21287) carries the same bore/stroke/force class; confirm mounting-interface dimensions against the ACE datasheet before installation. Rod type: female thread (blank) or male thread (B). Thread options: PT (blank) / G.
Theoretical Output Force (Ø16mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 101 N | 75 N |
| 0.7 MPa | 141 N | 106 N |
| Max (@1.0 MPa) | 21 kgf | |
The ACEJ16X70-40SB produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac ACPJ Adjustable Compact Cylinder ACPJ16X70-40SB
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 16 | Bore size in mm. |
| ×70 | Stroke length in mm. |
| -40 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| S | Optional built-in magnet for sensor position sensing (omit for no magnet). |
| B | Rod type: B = male thread; blank = female thread. |
Replacement mapping (swap P for E): ACP→ACE, ASP→ASE, ATP→ATE, ACPD→ACED, ACPJ→ACEJ. ACP-family: ACP (double acting), ASP / ATP (single acting push / pull), ACPD (double rod), ACPJ (adjustable stroke).
Where the Airtac ACPJ Adjustable Compact Cylinder ACPJ16X70-40SB Is Used
Fixture clamping in CNC cells
The 30-70 mm adjustable range lets one cylinder clamp brackets of varying thickness on a machining fixture, with 100.5 N push at 0.5 MPa enough for light workholding.
Position-checked ejector on assembly stations
The fitted -S magnet pairs with CMSE / DMSE switches so a PLC confirms the rod has reached the trimmed extend position before the next cycle starts.
Carton push-off in compact packaging heads
With a body about 50% shorter than an ISO 15552 profile cylinder, the 70 mm stroke fits inside tight packaging frames to nudge cartons onto a takeaway conveyor.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ16X70-40SB with the ACEJ16X70-40SB
Choose this model when a 16 mm bore fits the job: 100.5 N push at 0.5 MPa covers light clamping and part-present checks. If you need more force, the 20 mm bore gives 157.1 N push at 0.5 MPa; if less, the 12 mm bore gives 56.5 N. The 40 mm adjustment window means one cylinder can serve several stroke points between 30 and 70 mm. FA/FB flange and LB foot mountings bolt to the standard face, and the fitted -S magnet works with CMSE / DMSE switches. Remember the stop screw sets the extend position but is not a mid-stroke lock: on air loss the piston still drifts. Order the ACEJ16X70 as the current drop-in successor.
Replacement checklist
- ✓ Current-production ACE → ACEJ16X70-40SB
- ✓ Same bore / stroke / force class
- ✓ Confirm ISO 21287 mounting dimensions
- ✓ Port/thread type (PT / G)
- ✓ Add -S for magnet if you need sensors
Airtac ACPJ Adjustable Compact Cylinder ACPJ16X70-40SB FAQ
At 0.5 MPa it pushes 100.5 N and pulls 75.4 N; at 0.7 MPa it pushes 140.7 N and pulls 105.6 N; the theoretical maximum is 20.5 kgf at 1.0 MPa. The -40 code gives a 40 mm adjustment window, so the 70 mm extend stroke can be trimmed anywhere down to 30 mm with the stop screw. Operating pressure is 0.15-1.0 MPa (22-145 psi), speed 30-500 mm/s, and the M5x0.8 port follows the 16 mm bore.
It is a short ISO 21287-class compact cylinder with a hard-anodized aluminium body, an 8 mm S45C hard-chrome rod, male rod thread, and a fixed TPU bumper at each end that only decelerates at the ends. FA/FB flange and LB foot mountings bolt straight to the standard face. The ACPJ family is discontinued; the current-production drop-in is the ACEJ16X70 (same bore, stroke and force class) - confirm the ISO 21287 mounting dimensions before swapping.
Related AirTAC ACE Cylinders
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