
Genuine AirTAC magnetic rodless cylinder, order code RMH16X50S from the RMH range. The options this code selects are decoded below; series data follow the official AirTAC catalog.
The RMH16X50S is the 16 mm bore, 50 mm stroke build of the AirTAC RMH magnetic rodless cylinder. Magnets couple the piston to the outer slide with no mechanical link, so the tube stays fully sealed and the slide works without a piston rod. The catalog gives this bore a 140 N holding force and a load table of 3 or 5 kg up to a 300 mm stroke, and the built-in guide rail raises running accuracy, anti-rotation accuracy and load capacity.
Air enters through M5x0.8 ports, the thread the RMH uses on 10 and 16 mm bores. At a 50 mm ordered stroke the tolerance is +1.0 / 0 mm, both ends carry fixed cushions on adjusting screws, and CMSH, DMSH or EMSH sensors clip into the groove on the cylinder body for position detection.
| Order code | RMH16X50S |
|---|---|
| Product | Magnetic Rodless Cylinder |
| Bore | Ø16 mm |
| Stroke | 50 mm |
| Port thread | M5×0.8 |
| Action | Double acting, magnetic coupling |
|---|---|
| Guide | Built-in guide rail |
| Ø10 | holding force 55 N · strokes to 300 mm |
| Ø16 | holding force 140 N · strokes to 500 mm |
| Ø20 | holding force 220 N · strokes to 800 mm |
| Ø25 | holding force 345 N · strokes to 800 mm |
| Fluid | Air (filtered by 40 µm element) |
| Operating pressure | 0.2-0.7 MPa |
| Proof pressure | 1.2 MPa (175 psi) |
| Temperature | -20 to +70 °C |
| Speed | 50-400 mm/s |
| Stroke tolerance | +1.0 / 0 mm (≤250), +1.5 / 0 mm (251-800) |
| Cushion | Fixed, adjusting screws |
| Sensors | CMSH, DMSH, EMSH |
| Port | M5×0.8 (Ø10, 16), PT1/8 (Ø20, 25) |
Source: AirTAC Products Catalog 2026A (PDF01-P0612..P0613), RMH series specifications, load tables, strokes and ordering code.
Step up to this 16 mm code from the 10 mm RMH10 when 55 N of holding force is too little; the 16 mm coupling holds 140 N. Stay here instead of the 20 mm RMH20 when your load fits the 3 / 5 kg rating and M5x0.8 tubing suits your manifold. Within the 16 mm bore, longer catalog strokes up to 300 mm are available if 50 mm travel is too short, but remember the allowed load falls on longer strokes.
A 50 mm kick stroke fits tight line layouts, and the guide rail holds the slide square while it diverts small parts at 50-400 mm/s.
Mounting a CMSH or DMSH sensor in the body groove gives end-of-stroke signals for a short-travel handling slide on assembly benches.
The sealed magnetic coupling keeps the piston chamber isolated from the slide, so powder or spill residue around a packaging gate stays out of the cylinder.
Bore 16 mm, stroke 50 mm with +1.0 / 0 mm tolerance, magnetic holding force 140 N, catalog load 3 / 5 kg up to a 300 mm stroke, ports M5x0.8, operating pressure 0.2-0.7 MPa, speed 50-400 mm/s, temperature -20 to +70 C, fluid air filtered to 40 um.
S selects the built-in magnet, which is what lets the piston drive the slide through the magnetic coupling instead of a rod. The cushions are fixed and set by adjusting screws on both ends; if you need softer stopping, hydraulic shock absorbers can be ordered separately.