Airtac MAC Stainless Steel Mini Air Cylinder MAC40X150SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC40X150SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø40mm bore and 150mm 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
- Stroke150 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 MAC40X150SCA
Pushing 628 N at 0.5 MPa (and 880 N at 0.7 MPa) with a 150 mm stroke, MAC40X150SCA sits squarely in the mid-force tier of AirTAC's round-body MAC line. The 40 mm barrel is stainless steel and the 12 mm rod hard-chrome plated, a combination that takes washdown corners and humid plants in stride where painted minis start to pit.
Double acting on both strokes, it carries a variable air cushion at each end - open the needle screws gradually at first run so end-of-stroke shock stays off the aluminium covers. The CA pivot back cover accepts a swing link or pin without extra hardware, and because the magnet ships as standard, a CMSG, DMSG or EMSG switch clamps straight onto the tube. As a working rule, budget about 377 N of that push figure for real work and the seals will thank you.
Airtac MAC Stainless Steel Mini Air Cylinder MAC40X150SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC40X150SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 150 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 MAC40X150SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×150 | 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 MAC40X150SCA Is Used
Gearbox Housing Clamp
Clamps a cast gearbox housing against a hard stop in a CNC fixture; 628 N of push holds the part through roughing cuts while the cushion softens the clamp hit.
Bottling Reject Gate
Swings a reject gate on a bottling conveyor; the CA pivot cover pins directly to the gate linkage and the 150 mm stroke clears the full lane width.
Die Ejector Stroke
Ejects stamped brackets from a press tool; at 0.7 MPa the 40 mm barrel delivers 880 N, enough to strip thin sheet off the lower die.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X150SCA the Right Cylinder?
A 32 mm bore delivers 402 N push at 0.5 MPa, a 50 mm bore 981 N - pick those when your load sits clearly below 240 N or above 600 N; the 40 mm class covers the band between. Note the plain MAC will drift if supply air is lost or the valve centres, so fit a pilot check valve or rod lock where the rod must hold a load. LB feet, an FA flange or an SDB pivot bracket all bolt on to this CA version, and the standard magnet keeps switch retrofit trivial. Port is 1/8" and speed spans 30-800 mm/s.
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 MAC40X150SCA FAQ
At 0.5 MPa it pushes 628 N (about 64 kgf) and pulls 528 N; at 0.7 MPa push is 880 N and pull 739 N. The theoretical ceiling at 1.0 MPa is 128.1 kgf. Working pressure spans 0.15-1.0 MPa (22-145 psi) and the air supply should be filtered to 40 um.
The CA pivot cover ends in a pin eye, so a swing link or clevis attaches straight to the cylinder without fabricated brackets. Combined with the always-fitted piston magnet, a CMSG or DMSG switch can be added later for end-of-stroke detection.
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