Airtac MTG Stainless Steel Mini Cylinder MTG40X75S
The AirTAC Airtac MTG Stainless Steel Mini Cylinder MTG40X75S is a genuine single acting, pull (spring return) JIS-standard round-body mini air cylinder with a Ø40mm bore and 75mm stroke, 1/8" air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ40 mm
- Stroke75 mm
- Port size1/8"
- Acting typeSingle acting, pull (spring return)
- Rod threadM14×1.5
- CushionFixed anti-impact bumper pads
About the Airtac MTG Stainless Steel Mini Cylinder MTG40X75S
The AirTAC MTG40X75S is a single acting, spring-return PULL cylinder in the JIS round-body mini family: the internal spring holds the rod EXTENDED at rest, and compressed air RETRACTS (pulls) it on the work stroke. With a 40 mm bore and 75 mm stroke it delivers about 339.1 N of net pull at 0.5 MPa and 550.1 N at 0.7 MPa, figures already net of the spring. Because only one air line is needed, plumbing stays simple and the valve count is halved, which makes this the natural choice for one-way draw, retract, close or tension motions. The magnet fitted under the S code allows CMSG, DMSG or EMSG switches to report rod position.
Construction suits damp and washdown-adjacent environments: a SUS304 stainless barrel, a hard-chrome plated (20 um) carbon-steel rod, riveted covers and a two-way lubricant-storing piston seal, with a fixed anti-impact bumper pad softening each stroke end. Operating pressure is 0.2-1.0 MPa (28-145 psi), proof pressure 1.5 MPa (215 psi), temperature -20 to +70 C, speed 50-800 mm/s, and the air port is 1/8" with an M14x1.5 male rod thread. A practical sizing insight: at 0.5 MPa the realistic working pull of roughly 0.6 times the rated figure supports a safe vertical load of about 20 kg.
Airtac MTG Stainless Steel Mini Cylinder MTG40X75S Technical Specifications
| Model | Airtac MTG Stainless Steel Mini Cylinder MTG40X75S |
|---|---|
| Series | MTG JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 75 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | 1/8" |
| Rod thread | M14×1.5 |
| 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.
Theoretical Output Force (Ø40mm)
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 339.1 N |
| 0.7 MPa | 550.1 N |
Single-acting pull: the spring extends the rod; air retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa.
Model Code: Airtac MTG Stainless Steel Mini Cylinder MTG40X75S
| MTG | JIS round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 40 | Bore size in mm. |
| ×75 | 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.
Where the Airtac MTG Stainless Steel Mini Cylinder MTG40X75S Is Used
Retracting a locking pin
Air pulls the 16 mm rod in to withdraw a locating or locking pin from a fixture, and the spring pushes it back out to the engaged position the moment air is released.
Drawing a web or tape
With about 339.1 N of net pull at 0.5 MPa, the cylinder draws a tape, film or light web through a guide on the work stroke while the spring returns it for the next cycle.
Closing a chute shutter
The air stroke closes a slide or shutter gate on a hopper or chute; on air loss the spring reopens it to the extended rest position, a fail-safe default flow path.
Is the Airtac MTG Stainless Steel Mini Cylinder MTG40X75S the Right Cylinder?
Choose the MTG40X75S when your motion is a one-directional PULL of 75 mm and the spring can push the rod back out on air loss. This 40 mm bore is the largest MTG, giving about 339.1 N net pull at 0.5 MPa; if you need less force, step down to the MTG32, MTG25 or MTG20. Remember the direction of operation: the SPRING extends the rod and AIR retracts it, and the minimum working pressure is 0.2 MPa because the spring must be overcome. The spring-return design caps standard strokes at 150 mm for this bore, so 75 mm is comfortably within range; for longer travel or powered two-way motion, move to the double-acting MG series. Mounting options are LB foot, FA flange, CB clevis and SDB pivot, plus I and Y rod knuckles, and the fitted magnet (S code) enables CMSG, DMSG or EMSG position switches. Thread is PT as standard, with G and NPT available.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting (LB / FA / CB / SDB) & knuckle
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check On first run, back off the cushion/impact settings and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MTG Stainless Steel Mini Cylinder MTG40X75S FAQ
The 40 mm bore gives 339.1 N of net pull at 0.5 MPa and 550.1 N at 0.7 MPa, already after the return spring. Operating pressure is 0.2-1.0 MPa (28-145 psi) with a 0.2 MPa minimum, proof pressure is 1.5 MPa (215 psi), temperature range is -20 to +70 C, speed is 50-800 mm/s, and the air port is 1/8".
The internal spring extends the rod to its rest position; compressed air retracts (pulls) it on the work stroke, and on air loss the spring pushes the rod back out. The bumper pad only softens the stroke ends and does not lock or hold a load. The fitted magnet allows CMSG, DMSG or EMSG switches. Unlike the MSG (single acting PUSH) the working motion is a pull, and unlike the double-acting MG both directions are not air powered.
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