This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACEJ20X100-20S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACEJ20X100-20S 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 ACPJ20X100-20S
The AirTAC Airtac ACPJ Adjustable Compact Cylinder ACPJ20X100-20S is a double acting, adjustable stroke DIN-standard tight/compact air cylinder with a Ø20mm bore and 100mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ20X100-20S (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ20 mm
- Stroke100 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM6×1.0
- StatusDiscontinued → ACEJ20X100-20S
- 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 ACPJ20X100-20S
The ACPJ20X100-20S is a double acting compact cylinder with an adjustable extend stroke: a stop screw trims the 100 mm stroke by up to 20 mm, giving a usable range of 80-100 mm on site. At the 20 mm bore it delivers 157.1 N push and 117.8 N pull at 0.5 MPa, rising to 219.9 N push at 0.7 MPa, with a theoretical peak of 32 kgf at 1.0 MPa. The hard-anodized aluminium body with an S45C hard-chrome rod is an ISO 21287 class short build that saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight gantries and guarding where a full-length body cannot.
In practice, plan for roughly 94 N of real work at 0.5 MPa (about 0.6 of the push rating), which corresponds to lifting about 8 kg vertically - or nearer 4 kg with a 2:1 margin for a real part such as a small aluminium fixture plate. The -S code on this model means the magnet is fitted, so CMSE / DMSE reed or solid-state switches can be mounted for end-of-stroke detection. Note that this ACPJ series is discontinued; the current-production drop-in is the ACEJ20X100 in the same bore, stroke and force class - confirm the ISO 21287 mounting dimensions before swapping, since the ACP is DIN-standard.
Airtac ACPJ Adjustable Compact Cylinder ACPJ20X100-20S Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ20X100-20S |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ20X100-20S |
| Bore size | Ø20 mm |
| Stroke | 100 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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 100 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ACEJ20X100-20S (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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 118 N |
| 0.7 MPa | 220 N | 165 N |
| Max (@1.0 MPa) | 32 kgf | |
The ACEJ20X100-20S 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 ACPJ20X100-20S
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 20 | Bore size in mm. |
| ×100 | Stroke length in mm. |
| -20 | 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 ACPJ20X100-20S Is Used
Small-parts ejection on assembly fixtures
The 157.1 N push at 0.5 MPa is enough to kick stamped terminals or moulded caps off a nest, while the 80-100 mm adjustable range lets the technician dial the eject position without re-machining the jig.
Position-verified test stations
With the fitted -S magnet driving CMSE or DMSE switches, a bench-top leak or label check station confirms the 100 mm (or trimmed) extend position before the PLC releases the part.
Compact pick-and-lift on PCB handling
Lifting about 8 kg vertically at 0.5 MPa (halve it for a 2:1 margin) suits lowering trays or magazine racks in electronics lines, where the short ISO 21287 class body fits under low gantry frames.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ20X100-20S with the ACEJ20X100-20S
Size the job both ways: if 157.1 N push at 0.5 MPa is more than you need, the ACPJ16X30-20 class gives 100.5 N push at the same pressure; if you need more, step up beyond this bore class. The 20 mm adjustment window shortens the extend stroke only - it never lengthens past 100 mm, and the stop is a mechanical end stop, not a mid-stroke lock, so the rod still drifts if air is lost. FA/FB flange and LB foot mountings bolt to the standard face, and the fitted -S magnet accepts CMSE / DMSE switches. Order the ACEJ20X100 as the current replacement.
Replacement checklist
- ✓ Current-production ACE → ACEJ20X100-20S
- ✓ 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 ACPJ20X100-20S FAQ
At 0.5 MPa it pushes 157.1 N and pulls 117.8 N; at 0.7 MPa it pushes 219.9 N and pulls 164.9 N; the theoretical maximum is 32 kgf at 1.0 MPa. The -20 code gives a 20 mm adjustment window, so the extend stroke can be trimmed anywhere in an 80-100 mm range. It runs double acting on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), 30-500 mm/s, with a fixed TPU bumper at both ends.
The hard-anodized aluminium body is an ISO 21287 class short build that saves about 50% of the mounting length of an ISO 15552 profile cylinder, with FA/FB flange and LB foot options on the standard face and an M6x1.0 female rod thread. The ACPJ series is discontinued: order the ACEJ20X100, the current-production drop-in with the same bore, stroke and force class, and confirm the ISO 21287 mounting dimensions before swapping.
Related AirTAC ACE Cylinders
Request a Quote for the ACEJ20X100-20S
Send us the quantity and destination. We confirm price, stock and lead time on the ACEJ20X100-20S replacement — usually within 7-8 hours.