This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X750-50 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X750-50 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 SIJ80X750-50
The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X750-50 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 750mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X750-50, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke750 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X750-50
About the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X750-50
The AirTAC SIJ80X750-50 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 50 mm on-site, giving a usable 700-750 mm window from the 750 mm nominal maximum. The 80 mm bore uses a G3/8 port, M20x1.5 rod thread, and 36 mm adjustable cushions, delivering 2513 N push and 2268 N pull at 0.5 MPa.
The exact drop-in replacement is the SAIJ80X750-50, retaining the same interface, force, and port. The SAIJ upgrade introduces a two Y-shaped one-way piston seal for lower start-up pressure and longer life. For sizing, a safe working load is roughly 1508 N (60% of the 0.5 MPa push), equating to a 128 kg vertical lift with a 2:1 margin. Note this SKU lacks a magnet (-S) so it cannot take a switch; the stop sets position but is not a load lock.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X750-50 Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X750-50 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X750-50 |
| Bore size | Ø80 mm |
| Stroke | 750 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 SAIJ80X750-50 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 SAIJ80X750-50 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 SIJ80X750-50
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×750 | 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 SIJ80X750-50 Is Used
Variable-Length Part Ejection
Trimming the extend stroke by up to 50 mm on-site allows an ejection station to adapt to varying product lengths without machining new hard stops.
Adjustable Transfer Pusher
A transfer pusher can fine-tune its 700-750 mm reach to align with moving pallets, using the external stop screw to set the exact resting position.
Carton Positioning Stop
Field-tuning the extend end position lets a packaging line adjust its mechanical stop height for mixed carton sizes on the fly.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X750-50 with the SAIJ80X750-50
To replace the discontinued SIJ80X750-50, order the drop-in SAIJ80X750-50, reusing your existing FA, LB, or TC ISO 15552 mounts. When sizing both ways, the adjacent 63 mm bore yields 1559 N push at 0.5 MPa, while the 100 mm bore provides 3927 N; this 80 mm bore gives 2513 N push and 2268 N pull at 0.5 MPa, up to 4523 N at 0.9 MPa. Choose the 50 mm adjust window if your end-position needs field tuning between 700 and 750 mm. Because this SKU has no -S magnet, it cannot accept legacy CS1-B/DS1-B sensors; add external detection if needed. At a 750 mm stroke, mind side-load and rod-bending forces—use external guides to prevent binding. The stop screw sets end position but does not lock; for load holding on air loss, use an external rod lock or SAIL/BSAI variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X750-50
- ✓ 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 SIJ80X750-50 FAQ
Yes, the SIJ80X750-50 is discontinued. The exact drop-in replacement is the SAIJ80X750-50, offering the same ISO 15552 interface, 750 mm stroke, 50 mm adjust window, G3/8 port, and force. The SAIJ features 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, with a theoretical max of 513 kgf. The external stop screw allows you to shorten the extend stroke by up to 50 mm on-site (usable 700-750 mm). The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ80X750-50
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ80X750-50 replacement — usually within 7-8 hours.