This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ATE20X25SB — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ATE20X25SB 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 ATP20X25SB
The AirTAC Airtac ATP Single Acting Port Compact Cylinder ATP20X25SB is a single acting, pull (spring return) DIN-standard tight/compact air cylinder with a Ø20mm bore and 25mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ATE20X25SB (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ20 mm
- Stroke25 mm
- Port sizeM5×0.8
- Acting typeSingle acting, pull (spring return)
- Rod threadM6×1.0
- StatusDiscontinued → ATE20X25SB
- 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 ATP20X25SB
A single acting pull cylinder in the DIN-standard compact class, the ATP20X25SB uses a spring to extend the rod and compressed air to retract it, so the fixture returns to its extended home position automatically whenever air is lost. At 0.5 MPa the net pull is 88.1 N (135.2 N at 0.7 MPa), already after the spring has taken its share, and the minimum working pressure is 0.2 MPa. The 20 mm bore takes an M5x08 port, a 10 mm rod with male thread (the B code), and runs at 50-500 mm/s.
The short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, which is why it slots into tight clamping fixtures and small gantries. This unit carries the optional -S magnet, so CMSE or DMSE reed or solid-state switches can be fitted for end-of-stroke sensing. Note that the ATP family is discontinued: the current-production drop-in is the ATE20X25, and buyers should confirm the ISO 21287 mounting dimensions before swapping.
Airtac ATP Single Acting Port Compact Cylinder ATP20X25SB Technical Specifications
| Model | Airtac ATP Single Acting Port Compact Cylinder ATP20X25SB |
|---|---|
| Series | ATP DIN compact cylinder (discontinued) |
| Replacement | ATE20X25SB |
| Bore size | Ø20 mm |
| Stroke | 25 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 ATE20X25SB (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 ATP20X25SB
| ATP | DIN compact cylinder (single-acting pull, spring-return, discontinued). |
|---|---|
| 20 | Bore size in mm. |
| ×25 | 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 ATP20X25SB Is Used
Spring-extend clamp on a small drilling jig
The spring holds the clamp closed on a drilled aluminium bracket while air retracts it to load the next part; 88.1 N at 0.5 MPa suits light hold-down work.
Position-flagged part ejector
With the -S magnet fitted, a DMSE switch confirms the 25 mm retract stroke on a small electronics assembly fixture before the pick cycle starts.
Normally-extended lid lifter
A test-chamber lid stays lifted by the spring when air is off; applying 0.2-1.0 MPa (28-145 psi) pulls it down over the 25 mm stroke.
Replacing the Airtac ATP Single Acting Port Compact Cylinder ATP20X25SB with the ATE20X25SB
Size the job both ways: if 88.1 N at 0.5 MPa is marginal, step up to the 25 mm bore (170.9 N pull at 0.5 MPa); if it is generous, the 16 mm bore gives 53.3 N and saves space. Plan on about 53 N of real work at 0.5 MPa rather than the full rating, and for vertical lifting treat this bore as lifting roughly 4.5 kg with a 2:1 margin. The spring returns the rod to extended on air loss but will not hold a mid-stroke position. This model has the -S magnet for CMSE / DMSE switches and a male rod thread; the discontinued ATP is replaced by the ATE20X25.
Replacement checklist
- ✓ Current-production ACE → ATE20X25SB
- ✓ 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 ATP20X25SB FAQ
The figures are net of the return spring: 88.1 N at 0.5 MPa and 135.2 N at 0.7 MPa for the 20 mm bore over a 25 mm stroke. The spring extends the rod and air retracts it, so at least 0.2 MPa is needed to overcome the spring. Operating range is 0.2-1.0 MPa (28-145 psi) with a 1.5 MPa (215 psi) proof pressure, speed 50-500 mm/s, and the port is M5x0.8.
No, the ATP family is discontinued. The current-production replacement is the ATE20X25 (swap the P for an E), which matches the same bore, stroke and force class in the short ISO 21287 body. Confirm the ISO 21287 mounting dimensions against your fixture before swapping, and remember the -S magnet code if you need CMSE / DMSE switch sensing.
Related AirTAC ACE Cylinders
Request a Quote for the ATE20X25SB
Send us the quantity and destination. We confirm price, stock and lead time on the ATE20X25SB replacement — usually within 7-8 hours.