This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X40-10S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X40-10S 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 SIJ80X40-10S
The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X40-10S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 40mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X40-10S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke40 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X40-10S
About the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X40-10S
The AirTAC SIJ80X40-10S is a discontinued double-acting single-rod ISO 15552 adjustable-stroke cylinder with a 40 mm nominal stroke. An external stop screw lets you trim the extend stroke by up to 10 mm on-site, yielding a usable 30-40 mm window. The 80 mm bore features a Ø25 mm rod, M20x1.5 thread, 36 mm adjustable 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. This SIJ model is discontinued; the exact drop-in replacement is the SAIJ80X40-10S, retaining the same interface, force, and porting.
The SAIJ upgrade utilizes an improved two Y-shaped one-way piston seal for lower start-up pressure and longer life. For sizing, the 2513 N push at 0.5 MPa yields a safe working load of roughly 1508 N, or a 128 kg vertical lift with a 2:1 margin. The external stop screw strictly sets the end position and is not a load lock; a plain cylinder drifts on air loss, so use an external rod lock or SAIL/BSAI variant for held loads. The -S suffix provides a piston magnet for legacy CS1-B/DS1-B switches, whereas the SAIJ uses current switches.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X40-10S Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X40-10S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X40-10S |
| Bore size | Ø80 mm |
| Stroke | 40 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 SAIJ80X40-10S 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 SAIJ80X40-10S 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 SIJ80X40-10S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×40 | 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 SIJ80X40-10S Is Used
Short-Stroke Clamping
Adjustable 30-40 mm extend for clamping varied part thicknesses on machining fixtures, using the 2513 N push force at 0.5 MPa.
Transfer Diverter
Fine-tuning the diverter stroke by up to 10 mm on-site to accommodate different package sizes without changing the cylinder mount.
Pallet Stopper
Acting as a height-specific pallet stop where the exact end position must be dialed in physically via the external stop screw.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X40-10S with the SAIJ80X40-10S
To replace the discontinued SIJ80X40-10S, order the drop-in SAIJ80X40-10S, keeping the 80 mm bore, 40 mm nominal stroke, 10 mm adjust window, and G3/8 port. 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; choose based on your 2513 N requirement. Select the 10 mm adjust window if your field tuning only requires trimming the extend stroke by up to 10 mm. Mounting options include Basic, FA, LB, and TC using the ISO 15552 interface. The -S suffix ensures a piston magnet is present for legacy CS1-B/DS1-B sensors. Since the 40 mm stroke is under 300 mm, standard side-load limits apply without special derating.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X40-10S
- ✓ 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 SIJ80X40-10S FAQ
Yes, the SIJ80X40-10S is discontinued. The exact drop-in replacement is the SAIJ80X40-10S, which shares the identical ISO 15552 interface, 80 mm bore, 40 mm stroke, 10 mm adjust window, and G3/8 port. The SAIJ features an upgraded piston seal and uses current AirTAC switches.
The 80 mm bore provides 2513 N push and 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, 4523 N at 0.9 MPa, and a max of 513 kgf at 1.0 MPa. The external stop screw allows trimming the extend stroke by up to 10 mm on-site, giving a 30-40 mm usable window. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
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