This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACEJ20X150-40B — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACEJ20X150-40B 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 ACPJ20X150-40B
The AirTAC Airtac ACPJ Adjustable Compact Cylinder ACPJ20X150-40B is a double acting, adjustable stroke DIN-standard tight/compact air cylinder with a Ø20mm bore and 150mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ20X150-40B (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ20 mm
- Stroke150 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM6×1.0
- StatusDiscontinued → ACEJ20X150-40B
- 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 ACPJ20X150-40B
This double acting ACPJ20X150-40B is a discontinued DIN-standard compact cylinder with a 20 mm bore and a made-to-order 150 mm stroke. A stop screw trims the extend stroke by up to 40 mm on site, giving a usable range of 110-150 mm. At 0.5 MPa it pushes 157.1 N and pulls 117.8 N, rising to 219.9 N push at 0.7 MPa. The short ISO 21287-class body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight jigs and gantries. The male rod thread (B code) bolts straight to I/Y knuckles.
Plan on roughly 94 N of real work at 0.5 MPa (about 0.6 of the push rating) and expect about 8 kg of vertical lift with a 2:1 margin. The 150 mm stroke exceeds the 100 mm maximum standard stroke for bore 20, so it is built to order. There is no magnet fitted because the -S code was not ordered, so CMSE / DMSE switches cannot be used; order ACPJ20X150-40SB if sensing is needed. Since this model is discontinued, spec the current ACEJ20X150 replacement and confirm ISO 21287 mounting dimensions before swapping.
Airtac ACPJ Adjustable Compact Cylinder ACPJ20X150-40B Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ20X150-40B |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ20X150-40B |
| Bore size | Ø20 mm |
| Stroke | 150 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 ACEJ20X150-40B (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 ACEJ20X150-40B 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 ACPJ20X150-40B
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 20 | Bore size in mm. |
| ×150 | 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 ACPJ20X150-40B Is Used
Fixture clamping on CNC jigs
The 40 mm adjustment window lets a machinist trim the 150 mm extend stroke to clamp 110-150 mm part heights on a milling fixture, with 157.1 N push at 0.5 MPa holding aluminum blanks.
Carton eject on a packaging line
Pushing filled cartons off a conveyor stop needs about 94 N of usable force; this cylinder's 157.1 N push at 0.5 MPa covers it, and the male rod thread suits a knuckle-linked pusher arm.
Small part press-fit station
Seating bushings into plastic housings at an electronics assembly bench, where the 219.9 N push at 0.7 MPa and 110-150 mm trimmed stroke match shallow press depths.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ20X150-40B with the ACEJ20X150-40B
Size between bores: a 16 mm bore gives 100.5 N push at 0.5 MPa, while stepping up to a larger bore buys proportionally more force - this 20 mm unit delivers 157.1 N push and 117.8 N pull at 0.5 MPa. Remember the stop screw only shortens the extend stroke; it is not a mid-stroke lock, and the rod will drift if air is lost. FA/FB flanges and LB feet bolt to the standard face. This model is discontinued - order the ACEJ20X150 and verify ISO 21287 mounting dimensions.
Replacement checklist
- ✓ Current-production ACE → ACEJ20X150-40B
- ✓ 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 ACPJ20X150-40B FAQ
Push is 157.1 N and pull 117.8 N at 0.5 MPa; at 0.7 MPa push rises to 219.9 N and pull to 164.9 N, with a theoretical maximum of 32 kgf at 1.0 MPa. It is double acting with a 40 mm adjustable window on a 150 mm stroke (usable 110-150 mm), M5x0.8 ports, PT body thread, male M6x1.0 rod thread, 10 mm rod, speed 30-500 mm/s, 0.15-1.0 MPa (22-145 psi) operating pressure and a fixed TPU bumper at both ends. The 150 mm stroke is made to order since bore 20 tops out at 100 mm standard.
No - the ACPJ family is discontinued. The current-production drop-in is the ACEJ20X150, which swaps the P for an E and matches the same bore, stroke and force class in the ISO 21287 short-body format. Because the ACP is DIN-standard, confirm the ISO 21287 mounting dimensions against your fixture before ordering. If you need position sensing, order the -S variant so the optional magnet is fitted for CMSE / DMSE switches.
Related AirTAC ACE Cylinders
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