This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ATE25X20B — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ATE25X20B 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 ATP25X20B
The AirTAC Airtac ATP Single Acting Port Compact Cylinder ATP25X20B is a single acting, pull (spring return) DIN-standard tight/compact air cylinder with a Ø25mm 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 ATE25X20B (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ25 mm
- Stroke20 mm
- Port sizeM5×0.8
- Acting typeSingle acting, pull (spring return)
- Rod threadM6×1.0
- StatusDiscontinued → ATE25X20B
- 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 ATP25X20B
A single acting pull cylinder with spring return, the ATP25X20B keeps its rod extended by an internal spring and retracts it only when compressed air is applied. The 25 mm bore delivers 170.9 N of pull at 0.5 MPa (253.3 N at 0.7 MPa), both figures already net of the spring, and it needs just 0.2 MPa to overcome the spring. This model is discontinued; the current-production replacement is the ATE25X20, which matches the same bore, stroke and force class.
The short ISO 21287-style body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight jigs and guarding where a full-length body will not fit. The male rod thread (B code) bolts straight to I/Y knuckles, and the hard-anodized aluminium body carries a fixed TPU bumper at both ends. For sizing, plan on about 102 N of usable pull at 0.5 MPa, which is roughly 5 kg of vertical lift with a 2:1 margin.
Airtac ATP Single Acting Port Compact Cylinder ATP25X20B Technical Specifications
| Model | Airtac ATP Single Acting Port Compact Cylinder ATP25X20B |
|---|---|
| Series | ATP DIN compact cylinder (discontinued) |
| Replacement | ATE25X20B |
| Bore size | Ø25 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 ATE25X20B (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 (Ø25mm)
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 170.9 N |
| 0.7 MPa | 253.3 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 ATP25X20B
| ATP | DIN compact cylinder (single-acting pull, spring-return, discontinued). |
|---|---|
| 25 | 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 ATP25X20B Is Used
Spring-extended clamp on a small fixture
The spring holds a workpiece clamped at rest and air retracts the 10 mm rod for loading; 170.9 N pull at 0.5 MPa suits light aluminum brackets up to about 5 kg in vertical handling terms.
Return stroke on a packaging head
Fitted head-down so the spring lifts the head home on air loss; the 20 mm stroke and 50-500 mm/s speed band keep the cycle fast and predictable.
Fail-safe ejector in an assembly station
When air drops, the spring pushes the part clear of the nest; the compact short body fits inside the station guard where a full-length profile cylinder cannot.
Replacing the Airtac ATP Single Acting Port Compact Cylinder ATP25X20B with the ATE25X20B
Size between the 20 mm bore (88.1 N pull at 0.5 MPa) and the 32 mm bore (296.0 N pull at 0.5 MPa); the 25 mm bore at 170.9 N sits in the middle for light clamping and return duties. Remember that on air loss the spring drives the rod back to its extended home position and no mid-stroke position is held. If you need position sensing, order the -S variant with the optional magnet for CMSE / DMSE switches; this non-S code has no magnet at all. Before swapping to the ATE25X20, confirm the ISO 21287 mounting dimensions, since this model follows the DIN-standard footprint.
Replacement checklist
- ✓ Current-production ACE → ATE25X20B
- ✓ 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 ATP25X20B FAQ
It is a single acting pull cylinder: the spring extends the rod and air retracts it. Pull force is 170.9 N at 0.5 MPa and 253.3 N at 0.7 MPa, both already net of the return spring. Minimum working pressure is 0.2 MPa, maximum 1.0 MPa (28-145 psi), proof 1.5 MPa (215 psi). On air loss the rod returns to its extended home position; no mid-stroke position is held.
The short ISO 21287-class body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with FA/FB flange, LB foot and CA/CB clevis options and a male rod thread on this B code. Sensing requires the optional -S magnet code with CMSE / DMSE switches; this model has no magnet fitted. The ATP25X20B is discontinued - the drop-in successor is the ATE25X20, so confirm ISO 21287 mounting dimensions before ordering.
Request a Quote for the ATE25X20B
Send us the quantity and destination. We confirm price, stock and lead time on the ATE25X20B replacement — usually within 7-8 hours.