This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACEJ20X100-30 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACEJ20X100-30 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 ACPJ20X100-30
The AirTAC Airtac ACPJ Adjustable Compact Cylinder ACPJ20X100-30 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 ACEJ20X100-30 (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 → ACEJ20X100-30
- 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 ACPJ20X100-30
Double acting and adjustable, the ACPJ20X100-30 is a discontinued DIN-standard compact cylinder with a 20 mm bore, 100 mm stroke and a 30 mm adjustment window: a stop screw trims the extend stroke anywhere in the 70-100 mm range. At 0.5 MPa it pushes 157.1 N and pulls 117.8 N, rising to 219.9 N on the extend stroke at 0.7 MPa. Its short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight fixtures and guarding.
Plan on about 94 N of usable push at 0.5 MPa rather than the full rating, which corresponds to lifting roughly 8 kg vertically with a 2:1 margin. The hard-anodized aluminium body carries an S45C hard-chrome rod, fixed TPU bumpers sit at both ends, and speeds run 30-500 mm/s. This model is discontinued; the current-production drop-in is the ACEJ20X100, so confirm ISO 21287 mounting dimensions before swapping.
Airtac ACPJ Adjustable Compact Cylinder ACPJ20X100-30 Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ20X100-30 |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ20X100-30 |
| 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 ACEJ20X100-30 (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 ACEJ20X100-30 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 ACPJ20X100-30
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 20 | Bore size in mm. |
| ×100 | Stroke length in mm. |
| -30 | 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 ACPJ20X100-30 Is Used
Fixture clamping on CNC jigs
The 70-100 mm trim range and 157.1 N push at 0.5 MPa suit repeatable clamping of aluminium brackets on machining fixtures.
Carton reject pushers
With about 8 kg vertical-lift equivalent and 30-500 mm/s speed, it ejects misaligned cartons from packaging conveyors within a short envelope.
Stopper gates on assembly lines
The compact short body fits between conveyor frames where a full-length ISO 15552 profile cylinder would not reach, deploying pallet stoppers at 219.9 N push at 0.7 MPa.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ20X100-30 with the ACEJ20X100-30
Size the load both ways: the 16 mm bore gives 100.5 N push at 0.5 MPa, while stepping up to the next class adds force headroom for heavier clamping. Remember the stop screw is a mechanical end stop for the extend stroke only - on air loss the piston still drifts, so it is not a mid-stroke lock. FA/FB flange and LB foot mountings bolt to the ISO 21287 face, and the optional -S magnet enables CMSE / DMSE switches (this code has no S, so no magnet is fitted). Order the ACEJ20X100 as the current replacement.
Replacement checklist
- ✓ Current-production ACE → ACEJ20X100-30
- ✓ 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 ACPJ20X100-30 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. Theoretical maximum is 32 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), and the port is M5x0.8. A practical rule of thumb is about 94 N of usable push at 0.5 MPa.
The -30 code sets a 30 mm window: an external stop screw shortens the 100 mm extend stroke on site, giving a usable 70-100 mm range. It is a mechanical end stop, not a load-holding lock. The ACPJ family is discontinued; the ACEJ20X100 is the current ISO 21287 drop-in successor in the same bore, stroke and force class - confirm mounting dimensions before swapping.
Related AirTAC ACE Cylinders
Request a Quote for the ACEJ20X100-30
Send us the quantity and destination. We confirm price, stock and lead time on the ACEJ20X100-30 replacement — usually within 7-8 hours.