
The AirTAC Airtac MKD Multi-position Clamping Cylinder MKD25X50S is a genuine MK multi-mount cylinder (double rod), 25 mm bore. Its compact square body fixes from six directions and mounts side by side to save space. It delivers about 245.4 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.
A multi-mount cylinder is a compact square-body pneumatic cylinder that fixes from six directions and mounts side by side to save space, with magnetic-switch slots around the body and high guide precision without added lubricant. This MKD25X50S is a bore 25 mm, 50 mm stroke double rod, no-rotating model: both strokes act on the rod side, so the theoretical thrust is about 206.2 N at 0.5 MPa either way. Cushioning is a bumper.
This is a genuine AirTAC part. The trailing S means the piston carries a magnet for magnetic switch detection; switches are selected separately. The MK family's fixed rod and no-rotating plate stop the rod turning, unlike the standard MD family. We confirm dimensions and sizing from the datasheet on request.
| Model | Airtac MKD Multi-position Clamping Cylinder MKD25X50S |
|---|---|
| Type | Multi-mount cylinder, double rod |
| Series | MK (no-rotating) |
| Bore | 25 mm |
| Push thrust @0.5 MPa | 245.4 N |
| Port size | M5x0.8 (PT thread) |
| Magnet | With magnet (S) |
| 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 25 mm gives about 206.2 N of rod-side thrust at 0.5 MPa on each stroke; move to bore 32 if you need more. MK prevents rod rotation while MD allows it, and MKD's twin rods suit push-and-pull jobs. The 50 mm stroke is inside the bore 25 double acting range of up to 60 mm - keep the stroke short of the limit because the covers are short. This SKU includes the magnet (trailing S); the version without S carries no magnet. Port thread is PT as standard with G optional, on an M5x0.8 port. Route side-load and mounting detail questions to us and we will confirm from the datasheet.
Lift a small fixture plate vertically between stations. The fixed rod stops the load from twisting, and the second rod pushes it back down on the return.
Swing or push a diverting gate across a conveyor lane. The magnet in the rod signals end positions to switches mounted in the body slots.
Clamp the workpiece with one rod end while the opposite rod retracts tooling, using one compact body mounted side by side with its neighbours.
The S means this cylinder is fitted with a magnet, so magnetic switches mounted in the body slots can detect piston position. The magnet is optional - the same model without the S carries no magnet - and the switch itself is chosen separately.
The MK family uses a fixed rod and no-rotating plate with a brass bushing so the piston rod cannot turn. That matters for loads such as stopper blades or clamp pads that must stay square, where the standard MD family would let the rod rotate.