This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X100-30S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X100-30S in place of this model. The SAI replacement keeps the same ISO 15552 mounting interface, bore, stroke, output force and accessories, so it drops straight into existing fixtures. It is the current-production version of this cylinder with an upgraded piston seal.

The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X100-30S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 100mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X100-30S, which matches its ISO interface, bore, stroke, force and mounting.
The AirTAC SIJ80X100-30S is a discontinued double-acting single-rod ISO 15552 adjustable-stroke cylinder. Its external stop screw lets you trim the extend stroke by up to 30 mm on-site, yielding a usable 70-100 mm extension out of the 100 mm nominal maximum. The 80 mm bore features a Ø25 mm rod, M20x1.5 thread, 36 mm adjustable cushions, G3/8 port, and operates at 30-800 mm/s. It delivers 2513 N push and 2268 N pull at 0.5 MPa, rising to 3518 N at 0.7 MPa.
The exact drop-in replacement is the SAIJ80X100-30S, matching the ISO 15552 mounting interface, bore, force, and adjust window. The SAIJ upgrade introduces a two Y-shaped one-way piston seal for lower start-up pressure and longer life. For sizing, the safe working load is roughly 1508 N (60% of the 0.5 MPa push), translating to a 128 kg vertical lift with a 2:1 margin. Note the stop screw sets end position only; it is not a load lock, so use an external rod lock or SAIL/BSAI variant for held loads.
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X100-30S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X100-30S |
| Bore size | Ø80 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAIJ80X100-30S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
The SAIJ80X100-30S produces the same force from the same bore — a true drop-in on output. Actual usable force is lower than theoretical; size with a margin.
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×100 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Legacy SI-family variants: SID (double rod), SIJ (adjustable stroke) — each maps to its SAI equivalent (SID→SAID, SIJ→SAIJ). Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B).
Sheet metal lines needing on-site extend tuning to form different material thicknesses without swapping the entire actuator.
Packaging stations that require precise 70-100 mm extend endpoints to adapt the flap folding pressure for varied box dimensions.
Conveyor sorting gates where trimming the extend stroke by up to 30 mm sets the exact deflection angle for changing package profiles.
To replace the discontinued SIJ80X100-30S, order the drop-in SAIJ80X100-30S, reusing your existing FA, LB, or TC ISO 15552 mounts. The -30 adjust window provides a 70-100 mm extend range; verify your exact end-stop requirement falls within this trim. The -S suffix means a piston magnet is present for legacy CS1-B/DS1-B switches (the SAIJ uses current AirTAC switches). If sizing both ways, the adjacent 63 mm bore yields 1559 N push at 0.5 MPa, while the 100 mm bore yields 3927 N. For this 100 mm stroke, side-load is minimal, but for any stroke >=300 mm, guide the load externally to prevent rod bending.
Replacement checklist
Yes, the SIJ80X100-30S is discontinued. The exact drop-in replacement is the SAIJ80X100-30S, offering the same ISO 15552 interface, 80 mm bore, 100 mm stroke, G3/8 port, and 30 mm adjust window. The SAIJ family also adds an upgraded two Y-shaped one-way piston seal for longer life.
The 80 mm bore provides 2513 N push and 2268 N pull at 0.5 MPa, 3518 N at 0.7 MPa, and 4523 N at 0.9 MPa (513 kgf max). The external stop screw trims the extend stroke by up to 30 mm on-site, allowing a usable 70-100 mm extension. The stop sets end position only and is not a load lock.
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ80X100-30S replacement — usually within 7-8 hours.