
The AirTAC Airtac MFCD Double Rod Cushioned Mini Cylinder MFCD40X350 is a genuine double acting, double rod + cushion JIS-standard round-body mini air cylinder with a Ø40mm bore and 350mm stroke, 1/4" air ports and a SUS304 stainless-steel barrel for mildly corrosive environments. For the same bore and stroke it is shorter than an ISO 6432 cylinder, saving mounting space.
Twin rods exit both covers on this JIS-standard round-body mini cylinder, yielding equal thrust in both directions while actively resisting side-play and rotation. Tunable needle valves at each end soak up high-speed end-of-stroke shock, ensuring smooth deceleration across the 350 mm travel. The SUS304 stainless barrel shrinks mounting length compared to an ISO 6432 unit and provides reliable washdown resistance.
Built as a made-to-order part, this 40 mm bore variant exceeds the 300 mm standard stroke limit. It produces 527.8 N at 0.5 MPa and 738.9 N at 0.7 MPa, with a theoretical maximum of 107.6 kgf at 1.0 MPa. The 1/4" port and M14x1.5 male rod threads handle robust airflow and mounting. Because this SKU lacks the -S magnet, it cannot accept CMSG, DMSG, or EMSG position switches.
| Model | Airtac MFCD Double Rod Cushioned Mini Cylinder MFCD40X350 |
|---|---|
| Series | MFCD JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 350 mm |
| Acting type | Double acting, double rod + cushion |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| 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 | Variable air cushion, both ends |
| Max standard stroke | Up to 300 mm |
Specifications follow the official AirTAC MF/MFC (JIS-standard) datasheet. Barrel: SUS304 stainless steel; covers: aluminum alloy (round-body, riveted rolling-packed construction). Thread options: PT (blank) / G / NPT.
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
| MFCD | JIS-standard round-body mini cylinder (double-rod, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×350 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MF-family variants: MF / MFC (double acting ±cushion), MSF / MTF (single acting push / pull), MFD / MFCD (double rod ±cushion), MFJ / MFCJ (adjustable stroke ±cushion). Back covers CA / U / CM. Mounting LB / FA / SDB / TC.
Pushes heavy pallets 350mm between conveyor lanes using 527.8 N of equal bidirectional thrust while the twin rods prevent load twisting.
Operates opposing tooling fixtures simultaneously from both rod ends, absorbing rapid 800 mm/s reversals via the adjustable air cushion.
Raises and lowers a 26 kg access panel with a 2:1 safety margin, relying on the SUS304 barrel for humid storage environments.
When choosing between this 40 mm bore and the smaller MFCD32 (345.6 N at 0.5 MPa), the MFCD40X350 provides substantially higher thrust for heavier mechanisms. Its safe working load is approximately 317 N, translating to a vertical lift capacity of about 26.9 kg with a 2:1 safety margin. The 350 mm stroke is non-standard and made-to-order, so verify your space constraints before specifying.
The variable air cushion only decelerates the piston near the stroke end; it does not function as a lock or brake. If the load must be held during air loss or when a valve is centered, install an external rod lock or pilot-operated check valve. Mounting options include LB foot, FA flange, and TC trunnion (no SDB or back-cover code exists due to the dual-rod design).
Quick checklist
The 40 mm bore generates 527.8 N at 0.5 MPa and 738.9 N at 0.7 MPa, equal in both directions, with a theoretical max of 107.6 kgf at 1.0 MPa. It uses a 1/4" port with M14x1.5 male rod threads.
This specific SKU has no -S magnet, so it cannot accept CMSG, DMSG, or EMSG switches. The variable air cushion only decelerates the load near stroke end; it is not a brake, so use an external rod lock or pilot check valve to hold position on air loss.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models usually ship in 3-4 days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.