This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X225-50 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X225-50 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 SIJ80X225-50
The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-50 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 225mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X225-50, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke225 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X225-50
About the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-50
The AirTAC SIJ80X225-50 is a double-acting single-rod ISO 15552 adjustable-stroke cylinder, now discontinued and replaced by the drop-in SAIJ80X225-50. An external stop screw lets you trim the extend stroke by up to 50 mm on-site, yielding a usable 175-225 mm range. This 80 mm bore delivers 2513 N push and 2268 N pull at 0.5 MPa, uses a G3/8 port, and features a 25 mm rod with M20x1.5 thread.
The stop sets end position but is not a load lock; for held loads use an external rod lock or SAIL/BSAI variant. The SAIJ upgrade adds a two Y-shaped one-way piston seal for low start-up pressure. Computed insight: safe load is ~1508 N (60% of push@0.5), allowing ~128 kg vertical lift with a 2:1 margin. This non-magnet SKU cannot take a switch.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-50 Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-50 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X225-50 |
| Bore size | Ø80 mm |
| Stroke | 225 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 SAIJ80X225-50 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 SAIJ80X225-50 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 SIJ80X225-50
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×225 | 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 SIJ80X225-50 Is Used
Variable Depth Boring
Needs field stroke tuning to precisely set tool extend depth on-site, trimming up to 50 mm to accommodate different material thicknesses without changing the cylinder.
Adjustable Diverter Arm
Requires altering the extend reach between 175 mm and 225 mm to handle changing package sizes on the line, using the external stop to set exact push position.
Multi-Position Stacking
Demands on-site stroke trimming to lower stacks to varying heights, utilizing the adjustable end position to adapt the 225 mm nominal extend for different pallet loads.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-50 with the SAIJ80X225-50
Replace the discontinued SIJ80X225-50 directly with the SAIJ80X225-50, retaining the ISO 15552 mounting interface and G3/8 port. To size both ways: the 63 mm neighbor offers 1559 N push at 0.5 MPa, while the 100 mm bore provides 3927 N. The 50 mm adjust window is ideal for field tuning the 225 mm nominal stroke down to 175 mm without shims. Reuse FA, LB, or TC mounts. As this SKU lacks the -S magnet, it cannot accept legacy CS1-B/DS1-B sensors. Because stroke is under 300 mm, standard side-load rules apply. Note the stop screw sets end position only; it is not a lock, and air cushions only decelerate near stroke end.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X225-50
- ✓ 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 SIJ80X225-50 FAQ
Yes, the SIJ80X225-50 is discontinued. The exact drop-in replacement is the SAIJ80X225-50, offering the same ISO 15552 interface, 80 mm bore, 225 mm stroke, 50 mm adjust window, G3/8 port, and mounting compatibility.
Force is 2513 N push / 2268 N pull @0.5 MPa, 3518 N @0.7 MPa, 4523 N @0.9 MPa, max 513 kgf. The external stop screw shortens extend stroke by up to 50 mm (usable 175-225 mm). Speed is 30-800 mm/s. Cushion is 36 mm. The stop sets position, not a lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ80X225-50
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