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AirTAC ASE Series · ISO 21287 Compact Cylinder

Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE80X25SB

The AirTAC Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE80X25SB is a genuine single acting, push (spring return) ISO 21287 compact air cylinder with a Ø80mm bore and 25mm stroke, 1/4" air ports and a hard-anodized aluminium body. Its short compact envelope saves about 50% of the mounting length of an ISO 15552 profile cylinder.

  • BoreØ80 mm
  • Stroke25 mm
  • Port size1/4"
  • Acting typeSingle acting, push (spring return)
  • Rod threadM12×1.75
  • CushionFixed TPU bumper (both ends)
$94.19 $104.24Save 9% Standard model — ready in 3-5 business days to process and dispatch
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About the Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE80X25SB

The ASE80X25SB is a single acting push cylinder in AirTAC's ISO 21287 compact series: air extends the 20 mm hard-chromed S45C rod and the return spring retracts it, so one air line does the whole job. At 0.5 MPa this 80 mm bore delivers 2316.2 N of push, already net of the spring, rising to 3321.5 N at 0.7 MPa. The B code gives a male rod thread and the S code fits the optional magnet, so CMSE / DMSE switches can read end positions. Minimum working pressure is 0.2 MPa, which is what it takes to beat the spring.

The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why heavy compact strokes like this one fit inside press fixtures and guarding where a full-length body will not. A roller-burnished, hard-anodized aluminium body resists wear, and a fixed TPU bumper at each end absorbs end-of-stroke energy. For planning, treat roughly 1390 N (about 60% of the 0.5 MPa rating) as the working force, and remember the spring returns the rod home on air loss - it lifts about 118 kg vertically with a 2:1 margin.

Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE80X25SB Technical Specifications

ModelAirtac ASE Single Acting Plunger Type Compact Air Cylinder ASE80X25SB
SeriesASE compact cylinder
StandardISO 21287
Bore sizeØ80 mm
Stroke25 mm
Acting typeSingle acting, push (spring return)
Port size1/4"
Rod threadM12×1.75
FluidAir (filtered by 40µm element)
Operating pressure0.2 – 1.0 MPa
Proof pressure1.5 MPa
Temperature-20 to +70 °C
Speed range50 – 500 mm/s
CushionFixed TPU bumper (both ends)
Max standard strokeUp to 25 mm

Specifications follow the official AirTAC ACE-series (ISO 21287) datasheet. Body: hard-anodized aluminium alloy; piston rod: S45C carbon steel with hard-chrome plating. Rod type: female thread (blank) or male thread (B). Thread options: PT (blank) / G. A built-in magnet is OPTIONAL — add the -S code to fit CMSE / DMSE position sensors.

Theoretical Output Force (Ø80mm)

PressurePush force (spring return)
0.5 MPa2316.2 N
0.7 MPa3321.5 N

Single-acting push: air extends the rod; the return spring retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa. Single-acting strokes are short (Ø12 to 10 mm, Ø16-100 to 25 mm).

Model Code: Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE80X25SB

ASEISO 21287 compact cylinder (single-acting push, spring-return).
80Bore size in mm.
×25Stroke length in mm.
SOptional built-in magnet for CMSE / DMSE sensors (omit for no magnet).
BRod type: B = male thread; blank = female thread.

ACE-family variants: ACE (double acting), ASE / ATE (single acting push / pull), ACED (double rod), ACEJ (adjustable stroke), TACE / TACED (non-rotating twin-guide yoke). Mounting accessories: FA / FB flange, LB foot, CA / CB clevis, CR, SDB pivot, FTC; plus I and Y knuckles. Thread PT (blank) / G.

Where the Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE80X25SB Is Used

compress

Bench press stamping

A 25 mm stroke with 2316.2 N at 0.5 MPa is enough to crimp terminals or stamp batch codes on aluminium brackets inside a compact press head.

forklift

Pallet gate actuator

Spring return drops the gate to its safe position the moment air is lost, and the short body bolts to the gate frame where a full-length profile cylinder will not fit.

packaging

Case clamp on a sealer

The male rod thread takes a Y knuckle to clamp cartons against the sealing bar, with CMSE switches confirming the clamp is home.

Is the Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE80X25SB the Right Cylinder?

Size up or down by force: the 63 mm bore gives 1420.5 N at 0.5 MPa, while the 100 mm bore reaches 3640.7 N, so this 80 mm model sits squarely in the 2316.2 N class. Strokes for bore 80 run up to 25 mm in the single-acting range, and speed is 50-500 mm/s. Bolt FA/FB flanges, LB feet, CA/CB clevis or SDB pivot brackets to the ISO 21287 face, add I or Y rod knuckles for the male thread, and order CMSE / DMSE switches only because this -S model carries the magnet.

Quick checklist

  • ✓ Required force at your working pressure
  • ✓ Short stroke fits the compact body
  • ✓ Port/thread type (PT / G)
  • ✓ Add -S if you need the magnet for sensors
  • ✓ Rod type (female / male B) & mount (FA/LB/CA)
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Installation & Maintenance Notes

  • check Use clean air filtered to 40µm or finer.
  • check Keep within 0.2 – 1.0 MPa operating pressure.
  • check Compact body: keep the stroke short and avoid side load on the rod.
  • check Do not dismantle the threaded front/back covers.
  • check Single-acting: do not force the rod against the spring.
  • check Installation by qualified personnel per AirTAC docs.

Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE80X25SB FAQ

Push is 2316.2 N at 0.5 MPa and 3321.5 N at 0.7 MPa, both already net of the return spring. Operating pressure is 0.2-1.0 MPa (28-145 psi) with 1.5 MPa (215 psi) proof, and 0.2 MPa is the minimum to overcome the spring. Stroke is 25 mm, speed 50-500 mm/s, air filtered to 40 um, temperature -20 to +70 C, with a 1/4" port and male rod thread.

The compact body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits tight fixtures, and FA/FB, LB, CA/CB, CR, SDB or FTC brackets bolt straight to the standard face. Because this model carries the -S magnet, CMSE / DMSE reed or solid-state switches mount in the body slots to signal rod position; a fixed TPU bumper at each end absorbs end-of-stroke energy.

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