The AirTAC AirTAC MA25X500SCA Mini Cylinder 25x500 CA Cover is a genuine double acting standard round-body mini air cylinder with a Ø25mm bore and 500mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
Long-travel and compact at the same time: the MA25X500SCA reaches 500 mm of stroke from a 25 mm round-body barrel that stays under 1/8-inch port plumbing. It is double acting, so air extends and retracts the rod, and fixed anti-impact bumper pads soften both stroke ends without needing an adjustable cushion. Delivering 245.3 N of push and 206.1 N of pull at 0.5 MPa, this bore is a fit for slide gates, long pushers and vertical lifts of small-to-medium loads at up to 800 mm/s. The riveted stainless-steel tube and hard-chrome plated 10 mm rod shrug off washdown and damp shop air far better than painted minis, and the SCA code confirms the CA pivot back cover plus the built-in magnet that comes standard. For sizing, plan on roughly 147 N of real working force at 0.5 MPa, which lifts about 12.5 kg vertically with a 2:1 margin (the raw figure is around 25 kg of thrust). Every unit carries the magnet as standard, so CMSG, DMSG or EMSG switches clip on without a special-order piston.
| Model | AirTAC MA25X500SCA Mini Cylinder 25x500 CA Cover |
|---|---|
| Series | MA mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 500 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 | Fixed anti-impact bumper pads |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MA-series datasheet. Barrel: stainless-steel tube (round-body, riveted rolling-packed construction); piston rod: carbon steel with 20µm hard-chrome plating; covers: aluminium alloy. Thread options: PT (blank) / G / NPT. Every MA-series cylinder ships with a built-in magnet for CMSG / DMSG / EMSG position sensors.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MA | Standard round-body mini cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×500 | Stroke length in mm. |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
| CA / U / CM | Back-cover type: CA pivot, U flat-end, CM round-end. |
MA-family variants: MA / MAC (double acting ±cushion), MSA / MTA (single acting push / pull), MAD / MACD (double rod ±cushion), MAJ / MACJ (adjustable stroke ±cushion), MAR (cushioned with integrated F/U mount). Mounting accessories: FA flange, LB foot, SDB pivot; plus I and Y knuckles. Thread PT (blank) / G / NPT.
A 500 mm stroke sweeps a full-width slide gate on a grain or plastic-pellet hopper, and the 245 N push at 0.5 MPa comfortably overcomes granular backpressure on a 25 mm-bore sweep.
Long-travel rejects and carton indexing need the full 500 mm span; plan on about 147 N of usable force at 0.5 MPa for pushing packed cartons across a stainless conveyor deck.
The pivot-type CA back cover suits a swinging mount on a lift arm, and the bore raises roughly 12.5 kg vertically with a 2:1 margin - enough for fixture plates, sensors or a small clamp fixture.
Check the demand before committing to the 25 mm bore: AirTAC's 20 mm MA gives 157.0 N push at 0.5 MPa if your load is lighter, while stepping up to the 32 mm bore doubles the muscle to 402.2 N push at 0.5 MPa. Keep in mind that a plain MA drifts when the valve centres or air is lost - nothing in the bumper pads acts as a brake, so add a rod lock or pilot check valve if the 500 mm travel must hold position. A 500 mm span also magnifies side load, so guide the load externally rather than letting the rod cantilever it. The CA pivot back cover suits trunnion-style or clevis pivots; FA flange, LB foot and SDB pivot brackets plus I and Y rod knuckles bolt straight on. PT 1/8-inch ports take standard tapered fittings, and the integrated magnet is included at no extra cost.
Quick checklist
At 0.5 MPa this 25 mm double-acting cylinder pushes with 245.3 N and pulls with 206.1 N; at 0.7 MPa the figures rise to 343.4 N push and 288.5 N pull. The theoretical ceiling is 50 kgf at 1.0 MPa. Operating pressure spans 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof rating, and speed runs 30-800 mm/s.
The fixed anti-impact bumper pads absorb stroke-end shock on every 500 mm cycle - they decelerate, they are not an adjustable air cushion (that is the MAC family) and they are not a position lock. The magnet is built in as standard, so CMSG, DMSG or EMSG reed or hall-effect switches mount directly on the stainless barrel for end-of-stroke signalling with no special piston order.
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