This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X1200-40S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X1200-40S 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.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X1200-40S
The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X1200-40S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 1200mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X1200-40S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke1200 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X1200-40S
About the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X1200-40S
The AirTAC SIJ80X1200-40S is a discontinued double-acting single-rod ISO 15552 adjustable-stroke cylinder with a 1200 mm nominal stroke and a built-in piston magnet (-S). An external stop screw allows you to trim the extend stroke by up to 40 mm on-site, yielding a usable extend range of 1160-1200 mm. The 80 mm bore features a Ø25 mm piston rod, M20x1.5 rod-end thread, G3/8 air port, and 36 mm adjustable air cushions at each end. This stop screw strictly sets the end position; it is not a load lock, and a plain cylinder does not hold loads on air loss.
The exact drop-in replacement is the SAIJ80X1200-40S, sharing the same ISO 15552 interface, bore, stroke, force, port, and mounting. The SAIJ family uses an upgraded piston seal with two Y-shaped one-way elements for low start-up pressure and long life. Force ratings are identical: push 2513 N / pull 2268 N @0.5 MPa, 3518 N @0.7, and 4523 N @0.9. A computed buyer insight from the 0.5 MPa data suggests a safe working load of roughly 1508 N (about 60% of push), or a 128 kg vertical lift with a 2:1 margin. Speed is 30-800 mm/s.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X1200-40S Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X1200-40S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X1200-40S |
| Bore size | Ø80 mm |
| Stroke | 1200 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 SAIJ80X1200-40S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
The SAIJ80X1200-40S 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.
Model Code: Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X1200-40S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×1200 | 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).
Where the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X1200-40S Is Used
Long-Reach Press Tonnage
Delivering 4523 N push @0.9 MPa in a 1200 mm frame, ideal for extended press operations needing exact 1160-1200 mm end-position tuning via the stop screw.
Extended Transfer Reject
Handles long-stroke part rejection on conveyors where the 40 mm external stop adjusts the extend endpoint on-site without changing the cylinder body.
High-Stack Palletizing
Uses the 1200 mm stroke to reach tall pallet stacks, trimming the extend stroke by up to 40 mm to accommodate varying pallet heights or load dimensions.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X1200-40S with the SAIJ80X1200-40S
To replace the discontinued SIJ80X1200-40S, order the drop-in SAIJ80X1200-40S, keeping the 80 mm bore, 1200 mm stroke, 40 mm adjust window, and -S magnet for legacy CS1-B/DS1-B switches. When sizing both ways, the neighboring 63 mm bore yields 1559 N push @0.5 MPa, while the 100 mm bore yields 3927 N. Select the 40 mm adjust window if your extend stroke needs on-site tuning between 1160 and 1200 mm. Mounting interfaces include Basic, FA, LB, and TC. Because the 1200 mm stroke exceeds 300 mm, use external guides to prevent rod bending and side-load damage. For load holding, the stop screw is not a lock; use an external rod lock or the SAIL/BSAI variants.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X1200-40S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X1200-40S FAQ
Yes, the SIJ80X1200-40S is discontinued. The exact drop-in replacement is the SAIJ80X1200-40S, which shares the identical ISO 15552 interface, 80 mm bore, 1200 mm stroke, 40 mm adjust window, G3/8 port, and mounting options. The SAIJ uses an upgraded piston seal and current AirTAC switches.
The 80 mm bore provides 2513 N push / 2268 N pull @0.5 MPa, 3518 N push @0.7 MPa, and 4523 N push @0.9 MPa (max 513 kgf @1.0 MPa). The external stop screw window is 40 mm, allowing the extend stroke to be shortened on-site from 1200 mm down to 1160 mm. The stop sets end position only; it is not a load lock.
Related AirTAC SAI Cylinders
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