
The AirTAC Airtac MTG Stainless Steel Mini Cylinder MTG32X150 is a genuine single acting, pull (spring return) JIS-standard round-body mini air cylinder with a Ø32mm bore and 150mm stroke, 1/8" air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
The AirTAC MTG32X150 is a JIS-standard round-body mini cylinder built as a single acting PULL unit: an internal spring holds the rod extended at rest, and compressed air retracts (pulls) it on the work stroke. With a 32 mm bore and 150 mm stroke it delivers a net pull of about 224.8 N at 0.5 MPa and 363 N at 0.7 MPa, already after the spring, so the figures you see are what reaches the load. One air line is all it needs, which keeps plumbing and valve cost down on one-way draw, retract, close or tension motions. Working pressure runs from 0.2 MPa (28 psi) up to 1.0 MPa (145 psi) with a proof pressure of 1.5 MPa (215 psi), and speed is 50 to 800 mm/s.
Construction suits damp and washdown-adjacent environments: a SUS304 stainless barrel, a hard-chrome plated (20 um) carbon-steel rod, riveted rolled covers and a two-way lubricant-storing piston seal. A fixed anti-impact bumper pad softens the stroke ends but does not lock or brake a load; on air loss the spring simply pushes the rod back out to its extended rest position. At 0.5 MPa the 224.8 N pull works out to roughly 22 kgf, so a realistic safe working pull or vertical load for this size is about 13 kg (0.6 of the net pull). If you need rod position feedback, order the -S magnet variant for CMSG / DMSG / EMSG switches.
| Model | Airtac MTG Stainless Steel Mini Cylinder MTG32X150 |
|---|---|
| Series | MTG JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 150 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 800 mm/s |
| Cushion | Fixed anti-impact bumper pads |
| Max standard stroke | Up to 150 mm |
Specifications follow the official AirTAC MG-series (JIS standard) datasheet. Barrel: SUS304 stainless steel (round-body, riveted construction); piston rod: carbon steel with 20µm hard-chrome plating. Thread options: PT (blank) / G / NPT.
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 224.8 N |
| 0.7 MPa | 363.0 N |
Single-acting pull: the spring extends the rod; air retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa.
| MTG | JIS round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 32 | Bore size in mm. |
| ×150 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
| FA / LB / CB / SDB | Mounting: FA flange, LB foot, CB clevis, SDB pivot bracket (with CB). |
MG-family variants: MG / MGC (double acting ±cushion), MSG / MTG (single acting push / pull), MGD / MGCD (double rod ±cushion). Accessories: LB foot, FA flange, CB clevis, SDB pivot block, plus I and Y knuckles. Thread PT (blank) / G / NPT.
Air pulls a locating or locking pin out of position on command; when air is removed the spring extends the rod and the pin returns automatically, with no second valve port needed.
A steady one-directional pull of about 224.8 N at 0.5 MPa draws tape, film or label web through a dispensing head, with the spring resetting the arm between cycles.
Air retracts the rod to open a slide, shutter or guard; on air loss the spring closes it back out, giving a predictable fail-to-rest motion without a lock or brake.
Size the MTG by net pull, not bore alone. This 32 mm bore gives 224.8 N at 0.5 MPa and 363 N at 0.7 MPa; the 20 mm bore (84.8 N at 0.5 MPa) suits lighter draws, while the 40 mm bore (339.1 N at 0.5 MPa) covers heavier pulls. Remember the spring-extends / air-retracts behaviour: air only does work on the pull stroke, and the minimum working pressure is 0.2 MPa (28 psi) because the spring must be overcome. The spring return caps standard strokes at 150 mm, which is exactly this model's limit; for longer travel or two-way powered motion step up to the double-acting MG series. Mounting options are LB foot, FA flange, CB clevis and SDB pivot, plus I and Y rod knuckles, with 1/8" ports on every bore. Choose the -S code if you need CMSG / DMSG / EMSG magnetic sensing; this no-S model carries no magnet and accepts no sensor.
Quick checklist
The net pull, already after the spring, is 224.8 N at 0.5 MPa and 363 N at 0.7 MPa. Operating pressure is 0.2 to 1.0 MPa (28 to 145 psi) with a 1.5 MPa (215 psi) proof pressure, air filtered to 40 um, temperature -20 to +70 C, and speed 50 to 800 mm/s. The 0.2 MPa floor exists because the spring must be overcome before the rod moves.
The internal spring extends the rod at rest; compressed air retracts (pulls) it on the work stroke. On air loss the spring pushes the rod back out extended, so the cylinder does not hold a load and the fixed bumper pad is not a brake. This no-S model has no magnet, so no switch can be fitted; order the -S variant to use CMSG / DMSG / EMSG sensors. Unlike the MSG (single acting PUSH) the MTG pulls, and unlike the double-acting MG both directions are not air powered.
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