This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X900-30S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X900-30S 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 SIJ80X900-30S
The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X900-30S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 900mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X900-30S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke900 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X900-30S
About the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X900-30S
The AirTAC SIJ80X900-30S is a double-acting single-rod ISO 15552 adjustable-stroke cylinder, now discontinued and replaced by the SAIJ80X900-30S. An external stop screw lets you trim the extend stroke by up to 30 mm on-site, giving a usable stroke of 870-900 mm. The 80 mm bore uses a G3/8 port, a 25 mm rod, and delivers 2513 N push and 2268 N pull at 0.5 MPa. The stop sets the end position but is not a load lock; use an external rod lock for held loads.
The SAIJ drop-in keeps the exact ISO 15552 mounting interface, force, and adjust window, but upgrades to a two Y-shaped one-way piston seal for lower start-up pressure and longer life. From a computed buyer insight, the safe working load is about 1508 N (60% of the 2513 N push at 0.5 MPa), yielding a 128 kg vertical lift with a 2:1 margin. The -S suffix provides a piston magnet for legacy CS1-B/DS1-B switches.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X900-30S Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X900-30S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X900-30S |
| Bore size | Ø80 mm |
| Stroke | 900 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 SAIJ80X900-30S 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 SAIJ80X900-30S 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 SIJ80X900-30S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×900 | 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 SIJ80X900-30S Is Used
Variable Stroke Pressing
Trimming the extend stroke by up to 30 mm on-site allows precise end-position tuning for pressing assemblies without machining hard stops.
Adjustable Transfer Reject
A 900 mm transfer arm can fine-tune its reject push distance within the 870-900 mm window to accommodate varying product widths.
Long-Reach Pallet Positioning
The 80 mm bore provides 2513 N of push force at 0.5 MPa for shifting loads, with an external screw to dial in the exact pallet stop location.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X900-30S with the SAIJ80X900-30S
To replace the discontinued SIJ80X900-30S, order the drop-in SAIJ80X900-30S, which retains the 870-900 mm adjust window, G3/8 port, and 4523 N push at 0.9 MPa. If sizing both ways, the neighbouring 63 mm bore yields 2805 N push at 0.9 MPa, while the 100 mm bore yields 7068 N. Reuse your FA, LB, or TC mounts directly. Because the 900 mm stroke exceeds 300 mm, support the rod against side-load bending and use external guides. The -S magnet enables position sensing; for load holding on air loss, choose the SAIL or BSAI lock variant instead of relying on the cushion.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X900-30S
- ✓ 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 SIJ80X900-30S FAQ
Yes, the SIJ80X900-30S is discontinued. The exact drop-in replacement is the SAIJ80X900-30S, which matches the 80 mm bore, 900 mm stroke, 30 mm adjust window, G3/8 port, and ISO 15552 mounting interface.
The 80 mm bore delivers 2513 N push and 2268 N pull at 0.5 MPa, 3518 N at 0.7 MPa, and 4523 N at 0.9 MPa. The external stop screw provides a 30 mm adjust window, making the usable extend stroke 870-900 mm. The stop sets end position but is not a load lock.
Related AirTAC SAI Cylinders
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