This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAID50X10, 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 SID Series Double-Rod Cylinder SID50X10
The AirTAC Airtac SID Series Double-Rod Cylinder SID50X10 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø50mm bore and 10mm stroke, G1/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAID50X10, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ50 mm
- Stroke10 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAID50X10
- 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 SID Series Double-Rod Cylinder SID50X10
The AirTAC SID50X10 is a double-acting, double-rod ISO 15552 cylinder where a rod exits both ends, ensuring force is equal both ways at 825 N @0.5 MPa, 1154 N @0.7 MPa, and 1484 N @0.9 MPa. This discontinued model uses a G1/4 air port, a 20 mm piston rod with an M16x1.5 thread, and 30 mm adjustable cushions at each end. The direct replacement is the SAID50X10, which matches the bore, stroke, and mounting interface while upgrading to a two Y-shaped one-way piston seal for lower start-up pressure and longer life.
Because the rod-side area drives both faces, push and pull force are identical, preventing single-rod push mismatch. Note that this SKU lacks a magnet (-S), so it cannot take a magnetic switch; for load holding, air cushions only decelerate, so use an external rod lock or SAIL/BSAI variant.
Airtac SID Series Double-Rod Cylinder SID50X10 Technical Specifications
| Model | Airtac SID Series Double-Rod Cylinder SID50X10 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAID50X10 |
| Bore size | Ø50 mm |
| Stroke | 10 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| 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 1200 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAID50X10 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
The SAID50X10 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SID Series Double-Rod Cylinder SID50X10
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×10 | 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 SID Series Double-Rod Cylinder SID50X10 Is Used
Equal-Force Transfer
Drives a shuttle carriage back and forth with identical push and pull force, ensuring consistent dwell times in both directions without single-rod push mismatch.
Dual-Tool Machining
Mounts one tool on each rod end to machine two parts per cycle, halving index time by using the equal both ways output to cut identically in extension and retraction.
Replacing the Airtac SID Series Double-Rod Cylinder SID50X10 with the SAID50X10
To replace the discontinued SID50X10, install the SAID50X10 directly into your existing ISO 15552 mounting (Basic, FA, LB, or TC) without changing the G1/4 port or 10 mm stroke. Size both ways by verifying the equal force requirement: if 825 N @0.5 MPa is insufficient, step up to the 63 mm bore, or drop to the 40 mm bore if lower force is needed. A double rod is the right choice when you need equal both ways force, anti-rotation stability, or a back rod to carry a sensor cam. This non-magnetic SKU cannot take a switch, so add an -S magnet if sensing is required. For this 10 mm stroke, side-load is minimal, but for any stroke >=300 mm, ensure adequate guide support to prevent binding.
Replacement checklist
- ✓ Same ISO 15552 interface → SAID50X10
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SID Series Double-Rod Cylinder SID50X10 FAQ
Yes, the SID50X10 is discontinued. The direct replacement is the SAID50X10, which shares the same ISO 15552 interface, 50 mm bore, 10 mm stroke, G1/4 port, and mounting. The SAI upgrade adds a two Y-shaped one-way piston seal for longer life and lower start-up pressure.
Because it is a double-rod cylinder, force is equal both ways: 825 N @0.5 MPa, 1154 N @0.7 MPa, and 1484 N @0.9 MPa. The air port is G1/4, the rod is 20 mm with an M16x1.5 thread, and speed is 30-800 mm/s. Note that air cushions only decelerate; use an external rod lock for load holding.
Request a Quote for the SAID50X10
Send us the quantity and destination. We confirm price, stock and lead time on the SAID50X10 replacement — usually within 7-8 hours.