This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X150-75S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X150-75S 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 SIJ80X150-75S
The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X150-75S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 150mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X150-75S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke150 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X150-75S
About the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X150-75S
The AirTAC SIJ80X150-75S is a discontinued double-acting single-rod ISO 15552 adjustable-stroke cylinder. It uses an external stop screw to trim the extend stroke by up to 75 mm on-site, yielding a usable 75-150 mm stroke from the 150 mm nominal maximum. The 80 mm bore features a 25 mm rod, M20x1.5 thread, 36 mm adjustable cushions, G3/8 port, and 30-800 mm/s speed. The drop-in replacement is the SAIJ80X150-75S, retaining the exact interface, force, and adjust window.
Force output is 2513 N push and 2268 N pull at 0.5 MPa, scaling to 3518 N at 0.7 and 4523 N at 0.9 MPa. Computed buyer insight: a safe working load is roughly 1508 N (60% of the 0.5 MPa push), allowing a 128 kg vertical lift with a 2:1 margin. The SAIJ upgrade introduces a two Y-shaped one-way piston seal for lower start-up pressure and longer life. The stop screw sets the end position but is not a load lock; for held loads use SAIL or BSAI variants.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X150-75S Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X150-75S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X150-75S |
| Bore size | Ø80 mm |
| Stroke | 150 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 SAIJ80X150-75S 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 SAIJ80X150-75S 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 SIJ80X150-75S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×150 | 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 SIJ80X150-75S Is Used
Variable Pitch Pushing
Feeding different billet lengths on a press line, using the 75 mm adjust window to tune the extend endpoint on-site without swapping cylinders.
Adjustable Diverter Gate
Actuating a sorting gate where the extend position must be altered for changing package sizes, utilizing the 75-150 mm usable stroke.
Pallet Stop Positioning
Halting pallets at varying distances on a roller conveyor by field-adjusting the stop screw to set the exact end position per run.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X150-75S with the SAIJ80X150-75S
To replace the discontinued SIJ80X150-75S, order the drop-in SAIJ80X150-75S, keeping the magnet for CS1-B/DS1-B switches (SAIJ uses current AirTAC switches). Size both ways: the 63 mm bore yields 1559 N push at 0.5 MPa, while the 100 mm bore yields 3927 N. The 75 mm adjust window allows precise extend tuning without machining. Reuse FA, LB, or TC ISO 15552 mounts. For strokes >=300 mm, guide the rod to prevent side-load wear. The stop screw sets position, not a lock; for load holding on air loss, specify an external rod lock or SAIL/BSAI variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X150-75S
- ✓ 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 SIJ80X150-75S FAQ
Yes, the SIJ80X150-75S is discontinued. The exact drop-in replacement is the SAIJ80X150-75S, offering the same ISO 15552 interface, 80 mm bore, 150 mm stroke, 75 mm adjust window, G3/8 port, and 4523 N push force. The SAIJ features an upgraded two Y-shaped one-way piston seal.
The 80 mm bore provides 2513 N push and 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, and 4523 N push at 0.9 MPa. The external stop screw allows trimming the extend stroke by up to 75 mm on-site, yielding a 75-150 mm usable stroke. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
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