This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X200-50S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X200-50S 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 SIJ80X200-50S
The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X200-50S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 200mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X200-50S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke200 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X200-50S
About the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X200-50S
The AirTAC SIJ80X200-50S is a discontinued double-acting single-rod ISO 15552 adjustable-stroke cylinder with a 200 mm nominal stroke. An external stop screw lets you trim the extend stroke by up to 50 mm on-site, yielding a usable 150-200 mm window. The 80 mm bore features 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. As this SIJ is end-of-life, the exact drop-in replacement is the SAIJ80X200-50S, retaining the same interface, force, and adjust window.
The SAIJ upgrade utilizes an improved two-piece Y-shaped piston seal for lower start-up pressure and longer life. Reusing existing ISO 15552 mounting interfaces eliminates bracket redesign. Based on the 0.5 MPa push force, the computed safe working load is approximately 1508 N (60% of 2513 N), translating to a 128 kg vertical lift capacity with a 2:1 safety margin. The -S suffix denotes a built-in piston magnet for legacy CS1-B/DS1-B switches. The stop screw sets end position only; it is not a load lock.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X200-50S Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X200-50S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X200-50S |
| Bore size | Ø80 mm |
| Stroke | 200 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 SAIJ80X200-50S 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 SAIJ80X200-50S 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 SIJ80X200-50S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×200 | 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 SIJ80X200-50S Is Used
Variable Depth Drilling
Adjustable extend stop allows operators to tune the 150-200 mm stroke precisely for different material thicknesses without reprogramming the motion controller.
Variable Length Diverter
On-site stroke trimming accommodates changing package sizes on a sorting line, allowing the 50 mm adjust window to set exact diverting distances.
Adjustable Height Stopper
External stop screw fine-tunes the end position for varying pallet heights, ensuring accurate physical stops without requiring multiple cylinder sizes.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X200-50S with the SAIJ80X200-50S
To replace the discontinued SIJ80X200-50S, specify the drop-in SAIJ80X200-50S, which preserves the 50 mm adjust window and 80 mm bore. When sizing both ways, the neighboring 63 mm bore yields 1559 N push at 0.5 MPa, while the 100 mm bore yields 3927 N push. Choose the 50 mm adjust window if your extend stroke needs on-site tuning between 150 and 200 mm. Mounting options include Basic, FA, LB, and TC brackets. The -S suffix ensures piston magnet compatibility for position sensing. For strokes at or above 300 mm, verify side-load limits to prevent rod binding. The external stop sets the end position but does not lock the load; for load-holding on air loss, use an external rod lock or the SAIL/BSAI variants.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X200-50S
- ✓ 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 SIJ80X200-50S FAQ
Yes, the SIJ80X200-50S is discontinued. The exact drop-in replacement is the SAIJ80X200-50S. It shares the same ISO 15552 interface, 80 mm bore, 200 mm nominal stroke, 50 mm adjust window, G3/8 port, and mounting options, but features an upgraded 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, with a theoretical max of 513 kgf at 1.0 MPa. The external stop screw provides a 50 mm adjust window, allowing the 200 mm extend stroke to be shortened to 150 mm on-site. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
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