
The AirTAC Airtac MFCJ Adjustable Mini Cylinder MFCJ32X175-75 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 both the extend reach and the end-of-travel shock on site with this 32 mm bore, 175 mm stroke cylinder. An external adjuster lets you shorten the forward stroke by up to 75 mm, while a needle variable air cushion at each end soaks up high-speed impact for smooth, quiet motion. The riveted SUS304 stainless round body and aluminium covers are JIS-standard, delivering a shorter mounting envelope than an ISO 6432 cylinder of the same size while resisting mild washdown corrosion.
Operating at 0.15 to 1.0 MPa with a 1/4" port and a 12 mm rod (M10x1.25 thread), it pushes with 402.2 N and pulls with 345.6 N at 0.5 MPa. This yields a safe working load of roughly 241 N, meaning it lifts about 20.5 kg vertically with a 2:1 margin. Note this SKU lacks a magnet and cannot take a position sensor; adding the -S variant enables CMSG, DMSG or EMSG switches.
| Model | Airtac MFCJ Adjustable Mini Cylinder MFCJ32X175-75 |
|---|---|
| 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 exact 100 to 175 mm extend reach during machine changeovers. The 75 mm window allows rapid trial fits, while the variable air cushion protects the tooling at high cycling speeds.
Sort light packages with a 402.2 N push force. The needle cushion absorbs the end-of-stroke shock to keep the 32 mm bore actuator quiet and stable during rapid 800 mm/s actuation.
Raise and lower 20.5 kg access flaps with a 2:1 safety margin. The SUS304 stainless barrel handles mildly humid environments, though an external rod lock is needed to hold the gate on air loss.
When sizing a 32 mm bore against the 40 mm option, compare the actual thrust: this MFCJ32 delivers 402.2 N push at 0.5 MPa, whereas the MFCJ40 provides 628.3 N. Choose the 32 mm bore for lighter, faster changeovers where the 75 mm adjustable window allows trial fits without machining, and the variable air cushion handles deceleration. If your application needs more force, step up to the 40 mm bore.
Mount this JIS-standard mini using LB foot, FA flange, or TC trunnion brackets (SDB and back-cover mounts are unavailable). The cylinder does not hold position on air loss—the piston drifts—so fit an external rod lock or pilot check valve for suspended loads. Because this specific code has no -S magnet, it cannot accept sensing switches.
Quick checklist
This double-acting cylinder has a 1/4" port and a 12 mm rod. It generates 402.2 N push and 345.6 N pull at 0.5 MPa, or 563 N push and 483.8 N pull at 0.7 MPa, with a theoretical max of 82 kgf at 1.0 MPa. It uses a variable air cushion at both ends to decelerate the piston over a 30 to 800 mm/s speed range.
The external adjuster shortens the extend stroke by up to 75 mm on site, giving a usable forward range of 100 to 175 mm; the retract stroke remains full length. This specific SKU has no internal magnet, so it cannot accept CMSG, DMSG, or EMSG switches—you must select the -S variant for position sensing.
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