This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X275-75S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X275-75S 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 SIJ80X275-75S
The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X275-75S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 275mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X275-75S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke275 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X275-75S
About the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X275-75S
The AirTAC SIJ80X275-75S is a discontinued double-acting single-rod ISO 15552 adjustable-stroke cylinder with a 275 mm nominal stroke and a built-in piston magnet (-S). An external stop screw lets you trim the extend stroke by up to 75 mm on-site, giving a usable extend range of 200-275 mm. The stop sets the end position but is not a load lock. This 80 mm bore model features a 25 mm rod, M20x1.5 rod thread, 36 mm adjustable air cushions, a G3/8 port, and speeds of 30-800 mm/s. It delivers 2513 N push and 2268 N pull at 0.5 MPa, up to 4523 N push at 0.9 MPa.
The exact drop-in replacement is the SAIJ80X275-75S, sharing the same ISO 15552 interface, force, port, and mounting. The SAIJ upgrade uses a two Y-shaped one-way piston seal for low start-up pressure and long life. For sizing, a safe working load is roughly 1508 N (60% of the 0.5 MPa push), yielding a 128 kg vertical lift with a 2:1 margin. A plain cylinder drifts on air loss; the cushion only decelerates near stroke end. For held loads, use an external rod lock, pilot-operated check valve, or SAIL/BSAI lock variant.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X275-75S Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X275-75S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X275-75S |
| Bore size | Ø80 mm |
| Stroke | 275 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 SAIJ80X275-75S 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 SAIJ80X275-75S 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 SIJ80X275-75S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×275 | 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 SIJ80X275-75S Is Used
Variable-depth pressing
Allows operators to fine-tune the 200-275 mm extend endpoint on-site for pressing assemblies to exact depths without machining custom spacers.
Adjustable diverters
Sets precise actuator reach on packaging lines where product widths change, using the 75 mm stop screw to alter the extend position quickly.
Tiered pallet stops
Accommodates varying pallet heights by trimming the extend stroke on the fly, ensuring positive physical stops at the required vertical tier.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X275-75S with the SAIJ80X275-75S
To replace the discontinued SIJ80X275-75S, map directly to the SAIJ80X275-75S. The 75 mm adjust window is ideal if your extend endpoint needs field tuning between 200 and 275 mm. If 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 at 0.5 MPa. Reuse your FA, LB, or TC mounts via the ISO 15552 interface. The -S suffix ensures a piston magnet for legacy CS1-B/DS1-B switches (current AirTAC switches used on SAIJ). For this 275 mm stroke, verify side-load guide spacing to prevent rod binding.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X275-75S
- ✓ 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 SIJ80X275-75S FAQ
Yes, the SIJ80X275-75S is discontinued. The exact drop-in replacement is the SAIJ80X275-75S. It shares the same ISO 15552 interface, 80 mm bore, 275 mm stroke, 75 mm adjust window, G3/8 port, and mounting options. 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 push at 0.7 MPa, and 4523 N push at 0.9 MPa (max 513 kgf at 1.0 MPa). The external stop screw window is 75 mm, allowing the extend stroke to be shortened on-site from the 275 mm maximum down to 200 mm. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
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