
The AirTAC MTD Multi-position Locking Cylinder MTD32X20S is a genuine MD multi-mount cylinder (single acting, pull type), 32 mm bore. Its compact square body fixes from six directions and mounts side by side to save space. It delivers about 242.1 N of pull force at 0.5 MPa. A bumper cushions the impact.
The MTD32X20S is a compact square-body multi-mount cylinder that fixes from 6 directions and mounts side by side, so fixtures that once needed separate cylinders can share one rail. It is the single-acting pull type: air pressure retracts the rod over its 20 mm stroke and an internal spring returns it, keeping the plumbing to a single air line. The trailing S means the piston carries a magnet, so magnetic switches seated in the body slots can signal rod position. Cushioning is a bumper, the medium is air filtered to 40 um, and the pressure range is 0.2-1.0 MPa (28-145 psi).
This is a genuine AirTAC part in the MD family, the standard multi-mount series - not the MK no-rotating series, which prevents rod rotation. The magnet is present only because this SKU ends in S; the plain MTD32X20 ships without one. We confirm exact dimensions, pull-side force and sensor fitment from the datasheet on request.
| Model | Airtac MTD Multi-position Locking Cylinder MTD32X20S |
|---|---|
| Type | Multi-mount cylinder, single acting, pull type |
| Series | MD (standard) |
| Bore | 32 mm |
| Pull thrust @0.5 MPa | 242.1 N |
| Port size | 1/8" (PT thread) |
| Magnet | With magnet (S) |
| Fluid | Air, filtered to 40 um |
|---|---|
| Operating pressure | 0.2 - 1.0 MPa (28 - 145 psi) |
| Proof pressure | 1.5 MPa (215 psi) |
| Temperature | -20 to 70 C |
| Speed range | 50 - 500 mm/s |
| Cushion | Bumper |
| Mounting | Fix from 6 directions; mountable side by side |
Specifications follow the official AirTAC MD/MK multi-mount data. The front cover and piston are short, so avoid an over-long stroke. An optional high-temperature seal material extends the range to 0 to 150 C. Overall dimensions vary per stroke and allowable side-load is published as curves — ask us and we confirm from the datasheet.
Pick the bore for the load: bore 32 is the biggest bore in the series, and we will confirm the theoretical pull-side force for your pressure from the datasheet rather than quoting a generic push-side figure. Acting options are MD double acting, MSD single push, MTD single pull (this part), MDD double rod and MDJ adjustable stroke. Single-acting stroke tops out at 20 mm, so this SKU is at the maximum - the short covers caution against over-long strokes. The magnet is optional (add or drop the S) and the thread is PT standard with G available; bore 32 uses a 1/8 inch port.
Spring force keeps the pad down on small housings during assembly; air retracts the rod to release the part, and the magnet signals the open position.
A pin held out by the spring stops parts at a workstation; air pulls it down to let the next unit through the line.
The rod normally holds a diverter flap in the default path; air retracts it to switch flow, with switch feedback confirming both states.
It means the piston is magnetic, so reed or Hall-effect switches fitted in the body slots can detect rod position. The same cylinder without the S (MTD32X20) has no magnet. A trailing G would mean a G port thread instead of the PT standard.
Anywhere a compact, normally-out hold or release is needed: it mounts from 6 directions and sits side by side for tight rails. Remember single-acting strokes stop at 20 mm, and we confirm side-load limits and mounting dimensions from the datasheet before you finalize the fixture.