This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X600-20 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X600-20 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 SIJ80X600-20 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 600mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X600-20, which matches its ISO interface, bore, stroke, force and mounting.
The AirTAC SIJ80X600-20 is a discontinued double-acting single-rod ISO 15552 adjustable-stroke cylinder with an 80mm bore and 600mm maximum extend stroke. An external stop screw lets you trim the extend stroke by up to 20mm on-site, yielding a usable 580-600mm stroke window. The G3/8 port and 25mm rod deliver 2513N push and 2268N pull at 0.5MPa. This stop sets the end position; it is not a load lock.
The exact drop-in replacement is the SAIJ80X600-20, retaining the same interface, force, and mounting. The SAIJ upgrade uses a two Y-shaped one-way piston seal for low start-up pressure and long life. Computed buyer insight: safe working load is roughly 1508N (60% of the 0.5MPa push), and vertical lift is about 128kg with a 2:1 margin. This SKU lacks a -S magnet and cannot take a switch.
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X600-20 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X600-20 |
| Bore size | Ø80 mm |
| Stroke | 600 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 SAIJ80X600-20 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 SAIJ80X600-20 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. |
| ×600 | 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).
Dialing in the exact 580-600mm extend stop on-site allows precise pressing of components without machining custom spacers.
Trimming the extend stroke by up to 20mm accommodates varying package sizes on a transfer line without repositioning the cylinder.
Field-tuning the end position ensures consistent carton forming or sealing dimensions when material thickness varies slightly.
Replace the discontinued SIJ80X600-20 directly with the SAIJ80X600-20. To size both ways: the neighboring 63mm bore yields 1559N push, while the 100mm bore yields 3927N push at 0.5MPa. Choose the 20mm adjust window if your setup needs 580-600mm end-position tuning. Mounting options include FA, LB, and TC brackets. Because this is a 600mm stroke, support the rod to prevent bending and use external guides to manage side loads. This non-magnetic SKU cannot accept legacy CS1-B/DS1-B sensors. For load holding on air loss, use an external rod lock or pilot-operated check valve, as the cushion only decelerates.
Replacement checklist
Yes, the SIJ80X600-20 is discontinued. The exact drop-in replacement is the SAIJ80X600-20, which shares the identical ISO 15552 interface, 80mm bore, 600mm stroke, 20mm adjust window, G3/8 port, and mounting options.
The 80mm bore provides 2513N push and 2268N pull at 0.5MPa, 3518N push at 0.7MPa, and 4523N push at 0.9MPa, with a theoretical max of 513kgf. The external stop screw provides a 20mm adjust window, making the usable extend stroke 580-600mm. Note the stop sets end position and is not a load lock.
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ80X600-20 replacement — usually within 7-8 hours.