This model is discontinued
AirTAC has phased out the ACP series. You can still order this code here: we ship the current replacement ACEJ20X60-30B, the same code under the new prefix. 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 ACPJ20X60-30B
The AirTAC ACPJ Adjustable Compact Cylinder ACPJ20X60-30B is a double acting, double rod, adjustable stroke DIN-standard tight/compact air cylinder with a Ø20mm bore and 60mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ20X60-30B (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ20 mm
- Stroke60 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod, adjustable stroke
- Rod threadM6×1.0
- StatusDiscontinued → ACEJ20X60-30B
- 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 ACPJ20X60-30B
The ACPJ20X60-30B is a double acting compact cylinder with an adjustable extend stroke: a stop screw trims the 60 mm stroke by up to 30 mm on site, giving a usable range of 30-60 mm. The B code gives a male 10 mm rod, and the port is M5x0.8.
The hard-anodized aluminium body with an S45C hard-chrome rod saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight fixtures and gantries. A fixed TPU bumper sits at both ends, speed spans 30-500 mm/s, and pressure runs 0.15-1.0 MPa (22-145 psi) with air filtered to 40 um. Note: this model is discontinued. The current-production direct is the ACEJ20X60 (same bore, stroke and force class) - confirm the ISO 21287 mounting dimensions before swapping. No magnet is fitted on this version; order the -S code if you need one for CMSE / DMSE switches.
Airtac ACPJ Adjustable Compact Cylinder ACPJ20X60-30B Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ20X60-30B |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ20X60-30B |
| Bore size | Ø20 mm |
| Stroke | 60 mm |
| Acting type | Double acting, double rod, 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 ACEJ20X60-30B (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 | Force (both ways) |
|---|---|
| 0.5 MPa | 118 N |
| 0.7 MPa | 165 N |
| Max (@1.0 MPa) | 24 kgf |
ACPJ is double-rod: the rear rod that carries the stroke adjuster exits the rear cover, so both piston faces lose rod area. The rod-side (annular) area is used for both directions (conservative).
Model Code: Airtac ACPJ Adjustable Compact Cylinder ACPJ20X60-30B
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 20 | Bore size in mm. |
| ×60 | 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 (double rod, adjustable stroke).
Where the Airtac ACPJ Adjustable Compact Cylinder ACPJ20X60-30B Is Used
Fixture clamping on CNC jigs
The 30-60 mm trim range lets a machinist dial in clamp travel for varied billet heights, with about 94 N of usable force at 0.5 MPa holding aluminum parts steady.
Carton reject pusher
A short 60 mm body fits beside a packaging conveyor where a full-length profile cylinder will not, ejecting mislabeled cartons at up to 500 mm/s.
Sample press in lab automation
The male-threaded 10 mm rod takes a custom pressing tip for capping microplate trays, and the stop screw sets a repeatable 30 mm press depth.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ20X60-30B with the ACEJ20X60-30B
Step down to the 16 mm bore (100.5 N) for lighter clamping, or up to a larger bore if your jig needs more than about 94 N of usable force. The 30 mm window suits stations where part heights vary and you tune the extend stroke with a screw rather than shims. Match FA/FB flange or LB foot hardware to the ISO 21287 face, and remember the stop screw is an end stop only - it never holds a load if air is lost. Since the ACPJ20X60-30B is discontinued, order the ACEJ20X60 as the current replacement.
Replacement checklist
- ✓ Current-production ACE → ACEJ20X60-30B
- ✓ 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 ACPJ20X60-30B FAQ
The 20 mm bore uses an M5x0.8 port, the rod is 10 mm with a male thread (B code), speed runs 30-500 mm/s, and pressure spans 0.15-1.0 MPa (22-145 psi). The -30 code means the 60 mm extend stroke can be shortened by up to 30 mm.
An external stop screw shortens the extend stroke anywhere within the ordered 30 mm window, so the effective range is 30-60 mm; it cannot lengthen the stroke past 60 mm. The screw is a mechanical end stop, not a mid-stroke lock, so the rod still drifts if air is lost. This ACPJ version is discontinued - the current-production direct is the ACEJ20X60, which matches the same bore, stroke and force class. Confirm the ISO 21287 mounting dimensions before swapping, and order the -S magnet code if you plan to fit CMSE / DMSE switches.
Related AirTAC ACE Cylinders
Request a Quote for the ACEJ20X60-30B
Send us the quantity and destination. We confirm price, stock and lead time on the ACEJ20X60-30B replacement — usually within 7-8 hours.