This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ATE20X20B — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ATE20X20B 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 ATP Single Acting Port Compact Cylinder ATP20X20B
The AirTAC Airtac ATP Single Acting Port Compact Cylinder ATP20X20B is a single acting, pull (spring return) DIN-standard tight/compact air cylinder with a Ø20mm bore and 20mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ATE20X20B (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ20 mm
- Stroke20 mm
- Port sizeM5×0.8
- Acting typeSingle acting, pull (spring return)
- Rod threadM6×1.0
- StatusDiscontinued → ATE20X20B
- 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 ATP Single Acting Port Compact Cylinder ATP20X20B
The ATP20X20B is a single acting pull cylinder with spring return: the spring extends the rod and compressed air retracts it, so the unit rests normally extended and fails to the extended position on air loss. At 0.5 MPa the 20 mm bore delivers 88.1 N of pull net of the spring (135.2 N at 0.7 MPa), and at least 0.2 MPa (28-145 psi working band) is needed to overcome the spring. The B code gives a male rod thread on the 10 mm rod, and the port is M5x0.8 because port size depends only on bore. This model is discontinued; the current-production replacement is the ATE20X20, so confirm ISO 21287 mounting dimensions before swapping.
Practically, plan on roughly 53 N of usable pull at 0.5 MPa, which supports a vertical lift of about 4 kg with a 2:1 margin (the raw 88.1 N equals about 9 kgf). The hard-anodized aluminium body with S45C hard-chrome rod keeps the short ISO 21287-class footprint about 50% shorter than an ISO 15552 profile cylinder, so it slots into tight jigs and guarding. Note this unit has no S code, so no magnet is fitted and no CMSE or DMSE switch can be mounted; order the -S variant if sensing is needed. A fixed TPU bumper sits at both ends, and stroke speed runs 50-500 mm/s.
Airtac ATP Single Acting Port Compact Cylinder ATP20X20B Technical Specifications
| Model | Airtac ATP Single Acting Port Compact Cylinder ATP20X20B |
|---|---|
| Series | ATP DIN compact cylinder (discontinued) |
| Replacement | ATE20X20B |
| Bore size | Ø20 mm |
| Stroke | 20 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 500 mm/s |
| Cushion | Fixed bumper (both ends) |
| Max standard stroke | Up to 25 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ATE20X20B (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 | Pull force (spring return) |
|---|---|
| 0.5 MPa | 88.1 N |
| 0.7 MPa | 135.2 N |
Single-acting pull: the spring extends the rod; air retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa.
Model Code: Airtac ATP Single Acting Port Compact Cylinder ATP20X20B
| ATP | DIN compact cylinder (single-acting pull, spring-return, discontinued). |
|---|---|
| 20 | Bore size in mm. |
| ×20 | 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 (adjustable stroke).
Where the Airtac ATP Single Acting Port Compact Cylinder ATP20X20B Is Used
Spring-up ejection from a drill jig
The spring-extended rod lifts a locating pin out of a drilled aluminium bracket when air drops, giving a fail-safe eject with 88.1 N of pull at 0.5 MPa over the 20 mm stroke.
Retracting a small gate on a packaging machine
Air pull retracts a lightweight sliding guard gate at up to 500 mm/s, and the spring re-extends it automatically whenever the air supply is lost.
Sample holder return in a lab automation stage
The normally-extended rod holds a microscope slide carrier in its home position, with the 20 mm air pull drawing it into the scan position only while pressure is applied.
Replacing the Airtac ATP Single Acting Port Compact Cylinder ATP20X20B with the ATE20X20B
Size by pull force: the 16 mm bore gives 53.3 N at 0.5 MPa while the 25 mm bore reaches 170.9 N, so the 20 mm bore at 88.1 N sits in the middle for light clamping or return strokes. Remember the spring cannot hold a mid-stroke position - on air loss the rod returns to extended. Mounting options are FA/FB flange, LB foot and CA/CB clevis, and the male rod thread (B) suits external knuckles. For new designs specify the ATE20X20 instead, as this ATP model is discontinued.
Replacement checklist
- ✓ Current-production ACE → ATE20X20B
- ✓ Same bore / stroke / force class
- ✓ Confirm ISO 21287 mounting dimensions
- ✓ Port/thread type (PT / G)
- ✓ Add -S for magnet if you need sensors
Airtac ATP Single Acting Port Compact Cylinder ATP20X20B FAQ
This 20 mm bore, 20 mm stroke model pulls 88.1 N at 0.5 MPa and 135.2 N at 0.7 MPa, both figures net of the return spring. Working pressure is 0.2-1.0 MPa (28-145 psi) with 1.5 MPa (215 psi) proof pressure, the medium is air filtered to 40 um, temperature range is -20 to +70 C, and speed is 50-500 mm/s. The rod is 10 mm with a male thread (B code) and the port is M5x0.8.
The short-body build saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits cramped fixtures and guarding. The ATP20X20B is discontinued; the current-production drop-in is the ATE20X20 (same bore, stroke and force class). Confirm the ISO 21287 mounting dimensions before swapping, since the ATP follows the DIN-standard footprint. Also note this unit has no magnet, so CMSE or DMSE switches require the -S variant.
Request a Quote for the ATE20X20B
Send us the quantity and destination. We confirm price, stock and lead time on the ATE20X20B replacement — usually within 7-8 hours.