Airtac MAC Stainless Steel Mini Air Cylinder MAC40X350SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC40X350SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø40mm bore and 350mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service. A variable air cushion at both ends lets you tune end-of-stroke deceleration on site.
- BoreØ40 mm
- Stroke350 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM12×1.25
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X350SCA
Two-way air power and a variable cushion at both ends make the MAC40X350SCA a long-stroke workhorse: at 0.5 MPa it pushes 628.3 N and pulls 527.8 N, enough to index crates or swing a hinged guard over 350 mm. The CA pivot back cover takes a clevis-style pivot directly, so swinging or tilting motion needs no extra bracket. A built-in magnet comes standard, letting CMSG, DMSG or EMSG switches report position without a special piston.
The body is a stainless round barrel with aluminium covers rolled on - a riveted pack that holds 0.15-1.0 MPa (22-145 psi) and shrugs off washdown where painted minis blister. Because the rod is hard-chrome plated carbon steel, it resists scoring across the 30-800 mm/s speed range. Plan on roughly 377 N of usable push at 0.5 MPa, or about 32 kg of vertical lift with margin to spare.
Airtac MAC Stainless Steel Mini Air Cylinder MAC40X350SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC40X350SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 350 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M12×1.25 |
| 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 MA-series datasheet. Barrel: stainless-steel tube (round-body, riveted rolling-packed construction); piston rod: carbon steel with 20µm hard-chrome plating; covers: aluminium alloy. Thread options: PT (blank) / G / NPT. Every MA-series cylinder ships with a built-in magnet for CMSG / DMSG / EMSG position sensors.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | 739 N |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MAC Stainless Steel Mini Air Cylinder MAC40X350SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×350 | Stroke length in mm. |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
| CA / U / CM | Back-cover type: CA pivot, U flat-end, CM round-end. |
MA-family variants: MA / MAC (double acting ±cushion), MSA / MTA (single acting push / pull), MAD / MACD (double rod ±cushion), MAJ / MACJ (adjustable stroke ±cushion), MAR (cushioned with integrated F/U mount). Mounting accessories: FA flange, LB foot, SDB pivot; plus I and Y knuckles. Thread PT (blank) / G / NPT.
Where the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X350SCA Is Used
Lid swing on a dough trough
The CA pivot mounts straight to a hinged bakery lid; 628 N at 0.5 MPa lifts it and the air cushion lands it soft at full 350 mm extension.
Crate pusher on a bottling infeed
One cylinder indexes full crates into single file, running 30-800 mm/s behind a washdown-safe stainless barrel.
Probe actuator on a leak-test rig
A 16 mm chrome rod advances the test probe; the standard magnet trips a DMSG switch at each end for cycle verification.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X350SCA the Right Cylinder?
Step down to a MAC32 for lighter duty - it delivers 402 N push at 0.5 MPa - or up to the 50 mm bore when you need 981 N. The 40 mm balances 628 N with a stiffer 16 mm rod. Remember that a plain MAC drifts if air is cut: the cushion damps impact but never locks the load, so add a rod lock or pilot check valve where a held position matters. Over a 350 mm stroke keep side load low and guide the load externally; the riveted body carries pressure, not bending moments.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) is standard for sensors
- ✓ Back cover (CA/U/CM) & mount (FA/LB/SDB)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 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 screws and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MAC Stainless Steel Mini Air Cylinder MAC40X350SCA FAQ
At 0.5 MPa it pushes 628.3 N and pulls 527.8 N. Raise supply to 0.7 MPa and those figures become 879.6 N push and 738.9 N pull, with a 128.1 kgf theoretical maximum at 1.0 MPa. Ports are 1/8", rod 16 mm, rod thread M12x1.25, stroke 350 mm.
The stainless tube with rolled aluminium covers handles humidity, splash and daily hose-down far better than painted or plain aluminium minis, and the hard-chrome plated 16 mm rod adds wear life in dusty or damp conditions.
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