This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ63X200-50, with the same bore, stroke, output force, port and mounting, so it fits the same application. 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 SIJ63 Double Rod Adjustable Cylinder SIJ63X200-50
The AirTAC SIJ63 Double Rod Adjustable Cylinder SIJ63X200-50 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø63mm bore and 200mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ63X200-50, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke200 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAIJ63X200-50
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X200-50
The AirTAC SIJ63X200-50 is a double-acting, double-rod ISO 15552 adjustable-stroke cylinder with a 63 mm bore and 200 mm maximum stroke. An external stop screw lets you trim the extend stroke by up to 50 mm on-site, yielding a usable 150-200 mm extension window. This SIJ model is discontinued; the direct replacement is the SAIJ63X200-50, matching the interface, bore, stroke, force, and mounting.
The SAIJ successor retains the ISO 15552 mounting dimensions so existing FA, LB, and TC brackets reuse directly, and upgrades to a two Y-shaped one-way piston seal for lower start-up pressure and longer life. Because this SKU lacks the -S magnet, it cannot take a magnetic switch. Note the stop screw sets end position only; it is not a load lock.
Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X200-50 Technical Specifications
| Model | Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X200-50 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ63X200-50 |
| Bore size | Ø63 mm |
| Stroke | 200 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M16×1.5 |
| 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, 30 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAIJ63X200-50 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
The SAIJ63X200-50 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X200-50
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 63 | 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 SIJ63 Double Rod Adjustable Cylinder SIJ63X200-50 Is Used
Variable Depth Boring
Trimming the extend stroke by up to 50 mm on-site allows a machining fixture to set precise boring depths without swapping the entire cylinder.
Adjustable Transfer Pusher
A transfer pusher can field-tune its 150-200 mm extend window to accommodate different package widths on the same line.
Variable Position Stops
Sorting diverters use the external stop screw to alter the end position dynamically for routing varying pallet sizes.
Replacing the Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X200-50 with the SAIJ63X200-50
To replace the discontinued SIJ63X200-50, order the direct replacement SAIJ63X200-50, keeping the 50 mm adjust window and 200 mm nominal stroke. Choose the 50 mm adjust window if your field stroke tuning requires trimming the extend stroke by up to 50 mm on-site. Reuse existing FA, LB, or TC mounts via the ISO 15552 interface. This non-magnetic SKU cannot accept a sensor; for sensing you need the -S magnet option. For stroke lengths of 300 mm or more, verify your side-load limits to prevent excessive rod bearing wear. The external stop sets the end position but does not hold the load on air loss; for held loads use an external rod lock or the SAIL/BSAI lock variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ63X200-50
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X200-50 FAQ
Yes, the SIJ63X200-50 is discontinued. The direct replacement is the SAIJ63X200-50, which matches the 63 mm bore, 200 mm stroke, 50 mm adjust window, G3/8 port, and ISO 15552 mounting interface.
The external stop screw window is 50 mm, allowing you to trim the extend stroke from the 200 mm maximum down to 150 mm on-site.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ63X200-50
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ63X200-50 replacement — usually within 7-8 hours.