
The AirTAC Airtac MK Series Multi-position Locking Cylinder MK16X45 is a genuine MK multi-mount cylinder (double acting), 16 mm bore. Its compact square body fixes from six directions and mounts side by side to save space. It delivers about 100.5 N of push force at 0.5 MPa. A bumper cushions the impact. As an MK unit a fixed rod stops the piston rod rotating.
The MK16X45 is an AirTAC MK-series multi-mount cylinder, a compact square-body pneumatic cylinder that can be fixed from 6 directions (front, back, left, right, top and bottom) and mounted side by side to save space. With a 16 mm bore and 45 mm stroke in a double acting configuration, compressed air drives the rod out and retracts it under air power. At 0.5 MPa the bore delivers a theoretical push force of 100.5 N, useful for light clamping, gating and positioning jobs. Cushioning is by a bumper for a simple, reliable end-of-stroke stop.
This is a genuine AirTAC part. The MK family adds a no-rotating plate, bushing and fixed rod so the piston rod is prevented from turning, unlike the standard MD family where the rod may rotate; that makes MK the choice when a fixture or plate must stay square. This SKU is supplied without a magnet (no S in the code). We confirm dimensions and sizing details from the datasheet on request.
| Model | Airtac MK Series Multi-position Locking Cylinder MK16X45 |
|---|---|
| Type | Multi-mount cylinder, double acting |
| Series | MK (no-rotating) |
| Bore | 16 mm |
| Push thrust @0.5 MPa | 100.5 N |
| Port size | M5x0.8 (PT thread) |
| Magnet | Without magnet |
| Fluid | Air, filtered to 40 um |
|---|---|
| Operating pressure | 0.15 - 1.0 MPa (22 - 145 psi) |
| Proof pressure | 1.5 MPa (215 psi) |
| Temperature | -20 to 70 C |
| Speed range | 30 - 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.
Bore sets the force: a 16 mm bore gives about 100.5 N theoretical push (86.4 N pull) at 0.5 MPa, so size up if you need more. Choose MK when rod rotation must be prevented, or MD when rotation is allowed. Acting type: MK is double acting here; single push (MSK), single pull (MTK), double rod (MKD) and adjustable-stroke (MKJ) variants exist. Stroke 45 mm sits within the bore 16 table limit of up to 50 mm; the short body cover means a very long stroke is not the intent for this series, so do not over-stretch it. This SKU has no magnet; add S for one. Thread is PT by default or G with a trailing G.
Extend the rod to stop or divert parts on a conveyor line. The MK no-rotating design keeps the rod face square to the part so the stop plate stays aligned stroke after stroke.
Fix the square body from the top or side of a jig, then clamp small workpieces with about 100.5 N push at 0.5 MPa. Side-by-side mounting puts several clamps in tight fixture plates.
Use the 45 mm stroke to advance parts one station at a time on a small indexing table, with the no-rotating rod keeping the pusher plate orientation fixed.
The MK family is the no-rotating version: a plate, bushing and fixed rod prevent the piston rod from turning. The MD family is the standard version where the rod may rotate. If your tooling or pusher plate must hold its orientation, pick MK; if rotation is harmless, MD works too.
The square body fixes from 6 directions: front, back, left, right, top and bottom, and cylinders mount side by side to save space. Keep the stroke within the datasheet table (bore 16 goes up to 50 mm); the short cover of this compact series is not intended for over-long strokes. Side-load limits and exact dimensions come from the datasheet.