
The AirTAC Airtac MFCJ Adjustable Mini Cylinder MFCJ32X175-40 is a genuine double acting, adjustable stroke + cushion JIS-standard round-body mini air cylinder with a Ø32mm bore and 175mm 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.
Tune your extend stroke on-site with the AirTAC MFCJ32X175-40, a JIS-standard round-body mini cylinder built from SUS304 stainless steel and riveted aluminium covers. An external adjuster shortens the extend end by up to 40 mm (usable range 135-175 mm), while a needle variable air cushion at both ends soaks up high-speed shock for smooth deceleration.
Delivering 402.2 N push force at 0.5 MPa through a 1/4" port, this double-acting unit is shorter than an ISO 6432 cylinder for the same bore and stroke, saving mounting length. The SUS304 barrel resists mild corrosion and washdown. With a safe working load around 241 N, it lifts about 20.5 kg vertically with a 2:1 margin. Note this SKU lacks a magnet, so it cannot take a sensor.
| Model | Airtac MFCJ Adjustable Mini Cylinder MFCJ32X175-40 |
|---|---|
| Series | MFCJ JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 175 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | 1/4" |
| 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 | Variable air cushion, both ends |
| Max standard stroke | Up to 500 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 | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MFCJ | JIS-standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×175 | 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.
Dial in the 40 mm extend window during product changeovers to vary the pressing depth of light 240 N assemblies without swapping cylinders.
Fine-tune the diverter arm reach on the fly while the variable air cushion absorbs the shock of high-speed package routing at 800 mm/s.
Lift or stop goods up to 20.5 kg vertically, adjusting the extend stop position by 40 mm to handle varying pallet heights smoothly.
Choose the MFCJ32X175-40 when you need mid-range thrust combined with on-site stroke tuning. It delivers 402.2 N push at 0.5 MPa, sitting between the MFCJ25 at 245.3 N and the MFCJ40 at 628.3 N. If your changeover requires precise extend positioning and end-of-stroke shock absorption at speed, the 40 mm adjustable window and variable air cushion are ideal.
Remember the cushion only decelerates the piston near stroke end; it is not a lock or brake. The piston will drift on air loss, so fit an external rod lock or pilot check valve to hold a load. Mount via LB foot, FA flange, or TC trunnion. Because this SKU has no -S magnet, it cannot accept CMSG, DMSG, or EMSG switches.
Quick checklist
This 32 mm bore cylinder has a 1/4" port and male M10x1.25 rod thread. It generates 402.2 N push and 345.6 N pull at 0.5 MPa, 563 N push and 483.8 N pull at 0.7 MPa, with a theoretical max of 82 kgf at 1.0 MPa.
No, this specific SKU does not include a magnet, so it cannot accept CMSG, DMSG, or EMSG switches. You must choose the -S variant for sensing. The external adjuster shortens the extend stroke by up to 40 mm but does not lock the position mid-stroke.
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