This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X50-30FA — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X50-30FA 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 SIJ80X50-30FA
The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X50-30FA is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 50mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X50-30FA, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke50 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X50-30FA
About the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X50-30FA
The AirTAC SIJ80X50-30FA is a discontinued double-acting single-rod ISO 15552 adjustable-stroke cylinder. An external stop screw lets you trim the extend stroke by up to 30 mm on-site, giving a usable 20-50 mm stroke from the 50 mm nominal maximum. This 80 mm bore delivers 2513 N push and 2268 N pull at 0.5 MPa via a G3/8 port. The exact drop-in replacement is the SAIJ80X50-30FA, matching the interface, force, and FA mounting.
The SAIJ upgrade utilizes an improved two-piece Y-shaped piston seal for lower start-up pressure and longer life. Computed buyer insight: 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 stop screw sets the end position but is not a load lock; use SAIL or BSAI for held loads. This non-S SKU lacks a magnet and cannot take a switch.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X50-30FA Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X50-30FA |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X50-30FA |
| Bore size | Ø80 mm |
| Stroke | 50 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 SAIJ80X50-30FA 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 SAIJ80X50-30FA 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 SIJ80X50-30FA
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×50 | 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 SIJ80X50-30FA Is Used
Press Fit Tuning
Light-duty press operations needing precise 20-50 mm extend endpoints dialed in on-site via the 30 mm stop screw window.
Diverter Gate Adjustment
Package routing gates where the 80 mm bore's 2513 N push at 0.5 MPa handles varying product sizes with field-tuned extension.
Carton Sealing Stroke
Sealing heads requiring exact extend positioning; the 30 mm trim window allows rapid changes between box heights.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X50-30FA with the SAIJ80X50-30FA
To replace the discontinued SIJ80X50-30FA, order the drop-in SAIJ80X50-30FA. For sizing both ways, the neighboring 63 mm bore yields 1559 N push at 0.5 MPa, while the 100 mm bore yields 3927 N. The 30 mm adjust window is ideal when exact extend endpoints require field tuning. The FA foot mount is included, with LB and TC options available. Because this SKU lacks the -S magnet, it cannot accept legacy CS1-B/DS1-B sensors. The external stop sets end position but is not a lock; for load holding without live air, specify an external rod lock or SAIL/BSAI variant. Side-load alignment is generally not a concern for this 50 mm stroke.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X50-30FA
- ✓ 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 SIJ80X50-30FA FAQ
Yes, the SIJ80X50-30FA is discontinued. The exact drop-in replacement is the SAIJ80X50-30FA, offering the same ISO 15552 interface, 80 mm bore, 50 mm stroke, 30 mm adjust window, G3/8 port, and FA mounting.
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 30 mm on-site, yielding a 20-50 mm usable stroke. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
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