This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X160-40S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X160-40S 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 SIJ80X160-40S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 160mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X160-40S, which matches its ISO interface, bore, stroke, force and mounting.
The AirTAC SIJ80X160-40S is a discontinued double-acting single-rod ISO 15552 adjustable-stroke cylinder with a built-in piston magnet. Its external stop screw lets you trim the extend stroke by up to 40 mm on-site, giving a usable 120-160 mm extension out of the 160 mm nominal maximum. The 80 mm bore delivers 2513 N push and 2268 N pull at 0.5 MPa via a G3/8 port. This model is discontinued; the exact drop-in replacement is the SAIJ80X160-40S, retaining the same ISO 15552 mounting interface, force, and adjust window.
The SAIJ upgrade features an improved 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 2513 N push at 0.5 MPa), translating to a 128 kg vertical lift with a 2:1 margin. The stop screw sets the end position but is not a load lock; for held loads use SAIL or BSAI variants. The -S suffix provides a piston magnet for legacy CS1-B/DS1-B switches.
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X160-40S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X160-40S |
| Bore size | Ø80 mm |
| Stroke | 160 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 SAIJ80X160-40S 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 SAIJ80X160-40S 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. |
| ×160 | 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).
Tuning the extend stroke by up to 40 mm on-site allows a 80 mm bore actuator to adapt to varying product lengths without swapping the entire cylinder.
Trimming the 160 mm stroke down to 120 mm lets operators reposition a routing flap precisely for changing package sizes on the fly.
An external stop screw sets the exact push end-position for different carton depths, utilizing the 2513 N force at 0.5 MPa to move items reliably.
To replace the discontinued SIJ80X160-40S, map directly to the SAIJ80X160-40S (drop-in, same G3/8 port, M20x1.5 rod, 36 mm cushions, and 30-800 mm/s speed). When sizing both ways, the neighboring 63 mm bore yields 1559 N push at 0.5 MPa, while the 100 mm bore yields 3927 N. Choose the 40 mm adjust window if your extend stroke needs on-site tuning between 120 and 160 mm; for fixed positions, a standard SAI cylinder is simpler. Mounting options include Basic, FA, LB, and TC using existing ISO 15552 interface dimensions. The -S magnet supports legacy CS1-B/DS1-B switches (the SAIJ uses current AirTAC switches). For strokes >=300 mm, verify side-load guidance to prevent rod binding.
Replacement checklist
Yes, the SIJ80X160-40S is discontinued. The exact drop-in replacement is the SAIJ80X160-40S, which shares the same ISO 15552 interface, 80 mm bore, 160 mm stroke, 40 mm adjust window, and G3/8 port.
The 80 mm bore provides 2513 N push and 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, 4523 N push at 0.9 MPa, and a 513 kgf max at 1.0 MPa. The external stop screw window is 40 mm, allowing the extend stroke to be shortened from 160 mm down to 120 mm on-site.
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ80X160-40S replacement — usually within 7-8 hours.