This model is discontinued
AirTAC has phased out the ACP series. You can still order this code here: we ship the current replacement ACED20X120SB, 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 ACPD Double Rod Compact Cylinder ACPD20X120SB
The AirTAC ACPD Double Rod Compact Cylinder ACPD20X120SB is a double acting, double rod DIN-standard tight/compact air cylinder with a Ø20mm bore and 120mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACED20X120SB (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ20 mm
- Stroke120 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod
- Rod threadM6×1.0
- StatusDiscontinued → ACED20X120SB
- 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 ACPD Double Rod Compact Cylinder ACPD20X120SB
A double acting compact cylinder with a rod leaving both covers, the discontinued ACPD20X120SB pushes and pulls with the same 117.8 N at 0.5 MPa (164.9 N at 0.7 MPa) because each stroke works on the rod-side area. The through-rod resists rotation and side load, gives a symmetric mount, and the rear rod can carry a sensor flag, while fixed TPU bumpers decelerate both ends. Its 120 mm stroke is longer than the 100 mm standard for a 20 mm bore, so it is made to order.
The hard-anodized aluminium body is an ISO 21287 short build that saves about 50% of the mounting length of an ISO 15552 profile cylinder, ideal for tight jigs and gantries. Because the piston drifts when air is lost, add a rod lock or pilot check for held loads. This model carries the optional -S magnet, so CMSE / DMSE switches mount directly. It is discontinued: the current direct is ACED20X120, and you should confirm ISO 21287 mounting dimensions before swapping.
Airtac ACPD Double Rod Compact Cylinder ACPD20X120SB Technical Specifications
| Model | Airtac ACPD Double Rod Compact Cylinder ACPD20X120SB |
|---|---|
| Series | ACPD DIN compact cylinder (discontinued) |
| Replacement | ACED20X120SB |
| Bore size | Ø20 mm |
| Stroke | 120 mm |
| Acting type | Double acting, double rod |
| 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 ACED20X120SB (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 |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
Model Code: Airtac ACPD Double Rod Compact Cylinder ACPD20X120SB
| ACPD | DIN compact cylinder (double-rod, discontinued). |
|---|---|
| 20 | Bore size in mm. |
| ×120 | Stroke length in mm. |
| 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 ACPD Double Rod Compact Cylinder ACPD20X120SB Is Used
Symmetric jig clamping
The through-rod clamps a machined aluminum bracket from both sides of a drilling fixture with an equal 117.8 N at 0.5 MPa, so the part seats square without a separate backstop.
Bidirectional pusher on a packaging line
One cylinder diverts cartons left or right on a conveyor because the double rod delivers identical force in both strokes, with CMSE switches reporting end positions via the fitted magnet.
Sample shuttle in a lab analyzer
The rear rod carries a sensor flag while the front rod moves sample trays between two stations, and the short ISO 21287 body fits the shallow instrument deck.
Replacing the Airtac ACPD Double Rod Compact Cylinder ACPD20X120SB with the ACED20X120SB
At 117.8 N per side at 0.5 MPa this 20 mm bore suits light clamping and transfer; step down to the 16 mm bore (75.4 N) for smaller parts or up to the 25 mm bore (206.2 N) for heavier grips. The male rod thread (B code) takes I/Y knuckles on the ISO 21287 face, with FA/FB flange or LB foot brackets. If you need position feedback, this S-code version already carries the magnet for CMSE / DMSE switches. Order ACED20X120 as the current-production replacement and verify its ISO 21287 mounting dimensions.
Replacement checklist
- ✓ Current-production ACE → ACED20X120SB
- ✓ Same bore / stroke / force class
- ✓ Confirm ISO 21287 mounting dimensions
- ✓ Port/thread type (PT / G)
- ✓ Add -S for magnet if you need sensors
Airtac ACPD Double Rod Compact Cylinder ACPD20X120SB FAQ
Both strokes give the same force because the double rod exposes the rod-side area on each side: 117.8 N at 0.5 MPa, 164.9 N at 0.7 MPa, and a maximum of 24.0 kgf at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, with a fixed TPU bumper at both ends.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits shallow guards and gantries. The S in this model code means the magnet is fitted, so CMSE or DMSE reed and solid-state switches mount directly; versions without the -S code have no magnet. Since the ACPD is discontinued, order ACED20X120 as the current replacement and confirm its ISO 21287 mounting dimensions first.
Related AirTAC ACE Cylinders
Request a Quote for the ACED20X120SB
Send us the quantity and destination. We confirm price, stock and lead time on the ACED20X120SB replacement — usually within 7-8 hours.