This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ63X200-40S, 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 SIJ63X200-40S
The AirTAC SIJ63 Double Rod Adjustable Cylinder SIJ63X200-40S 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 SAIJ63X200-40S, 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 → SAIJ63X200-40S
- 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 SIJ63X200-40S
The AirTAC SIJ63X200-40S is a double-acting double-rod ISO 15552 adjustable-stroke cylinder, now discontinued. The direct replacement is the SAIJ63X200-40S, retaining the 63mm bore, 200mm nominal stroke, G3/8 port, and mounting interface. An external stop screw lets you trim the extend stroke by up to 40mm on-site, yielding a usable 160-200mm stroke. The stop sets the end position but is not a load lock.
The SAIJ upgrade features an improved two Y-shaped one-way piston seal for low start-up pressure and long life. Note that plain cylinders drift on air loss; use an external rod lock or SAIL/BSAI variant for held loads.
Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X200-40S Technical Specifications
| Model | Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X200-40S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ63X200-40S |
| 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 SAIJ63X200-40S 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 SAIJ63X200-40S 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 SIJ63X200-40S
| 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 SIJ63X200-40S Is Used
Variable Depth Drilling
Adjusts the extend stroke on-site to match varying material thicknesses without swapping the entire actuator assembly.
Variable Length Diverter
Tunes the pusher extension distance on a packaging line to handle different box sizes accurately.
Adjustable Height Stops
Sets precise mechanical end positions for pallets of varying heights, ensuring exact placement without reprogramming.
Replacing the Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X200-40S with the SAIJ63X200-40S
To replace the discontinued SIJ63X200-40S, specify SAIJ63X200-40S (insert A after S) to reuse the existing ISO 15552 mounting footprint. Choose the 40mm adjust window if your field tuning requires trimming the extend stroke by up to 40mm (usable 160-200mm). Mounting options include Basic, FA, LB, and TC. The -S suffix indicates a built-in piston magnet for legacy CS1-B/DS1-B switches (current AirTAC switches are used on the SAIJ). For stroke lengths >=300mm, verify side-load limits to prevent excessive guide wear.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ63X200-40S
- ✓ 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 SIJ63X200-40S FAQ
Yes, the SIJ63X200-40S is discontinued. The direct replacement is the SAIJ63X200-40S, offering the same ISO 15552 interface, 63mm bore, 200mm stroke, G3/8 port, and 40mm adjust window.
The external stop screw window is 40mm, allowing you to trim the extend stroke from 200mm down to 160mm on-site.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ63X200-40S
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ63X200-40S replacement — usually within 7-8 hours.