
The AirTAC ACEJ80~100 Adjustable Compact Cylinder ACEJ80X200-20S is a genuine double acting, double rod, adjustable stroke ISO 21287 compact air cylinder with a Ø80mm bore and 200mm stroke, 1/8" 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.
The ACEJ80X200-20S is a double acting ISO 21287 compact cylinder with an adjustable extend stroke: an external stop screw trims the 200 mm stroke by up to 20 mm, giving a usable range of 180-200 mm on site. At 0.5 MPa this 80 mm bore pushes 2513.3 N and pulls 2356.2 N, and the fitted -S magnet lets CMSE / DMSE switches report end positions. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into presses and gantries where a full-length body will not fit.
The hard-anodized aluminium body carries a 20 mm S45C hard-chrome rod, a fixed TPU bumper absorbs end-of-stroke energy at both ends, and 1/8" ports feed air at 0.15-1.0 MPa (22-145 psi) with speeds of 30-500 mm/s.
| Model | Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ80X200-20S |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø80 mm |
| Stroke | 200 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M12×1.75 |
| 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 TPU bumper (both ends) |
| Max standard stroke | Up to 300 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.
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 2356 N |
| 0.7 MPa | 3299 N |
| Max (@1.0 MPa) | 481 kgf |
ACEJ is double-rod: the rear rod that carries the stroke adjuster exits the rear cover, so both piston faces lose rod area. The rod-side (annular) area is used for both directions (conservative).
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 80 | Bore size in mm. |
| ×200 | Stroke length in mm. |
| -20 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| S | Optional built-in magnet for CMSE / DMSE sensors (omit for no magnet). |
| B | Rod type: B = male thread; blank = female thread. |
ACE-family variants: ACE (double acting), ASE / ATE (single acting push / pull), ACED (double rod), ACEJ (double rod, 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.
The short ISO 21287 body, roughly 50% shorter in mounting length than an ISO 15552 profile cylinder, drives mould slides inside tight die space, with the 20 mm trim window dialling in the exact mould-open position.
Remember the stop screw is a mechanical end stop for the extend stroke, not a mid-stroke lock, so the rod will still drift if air is lost. FA flange, LB foot and I/Y rod knuckles bolt to the ISO 21287 face, and this unit already carries the -S magnet for CMSE / DMSE switch mounting.
Quick checklist
Push is 2513.3 N and pull 2356.2 N at 0.5 MPa; at 0.7 MPa push reaches 3518.6 N and pull 3298.7 N, with a theoretical maximum of 512.6 kgf at 1.0 MPa. It is double acting with an adjustable extend stroke (200 mm nominal, trimmed up to 20 mm via the stop screw), 1/8" ports, operating pressure 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, temperature -20 to +70 C, and air filtered to 40 um.
An external stop screw shortens the extend stroke on site within the ordered 20 mm window, so the rod stops anywhere between 180 and 200 mm; it is a mechanical end stop, not a load-holding lock. This model carries the optional -S magnet, so CMSE / DMSE reed or solid-state switches can be clipped into the body slots to signal end positions. FA flange, LB foot and I/Y rod knuckles mount on the standard ISO 21287 face.
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