Airtac MAC Stainless Steel Mini Air Cylinder MAC40X130SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC40X130SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø40mm bore and 130mm 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
- Stroke130 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 MAC40X130SU
Six hundred twenty-eight newtons out and 528 N back at 0.5 MPa - that is the working envelope of the 40 mm MAC40X130SU, doubling to 880 N at 0.7 MPa. Air drives the piston in both directions (double acting), and needle screws at each end meter a variable cushion so the 130 mm stroke can finish soft even at 800 mm/s.
The U flat-end back cover presents a machined face that bolts flush against a machine plate with no pivot hardware. Because the magnet ships as standard, CMSG / DMSG / EMSG reed switches mount on the barrel without a special-order piston. Vertically this bore hoists about 64 kg of dead weight, or roughly 32 kg once a 2:1 margin is kept for starts and stops.
Airtac MAC Stainless Steel Mini Air Cylinder MAC40X130SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC40X130SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 130 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 MAC40X130SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×130 | 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 MAC40X130SU Is Used
Pallet corner square-up
Nudging pallet edges square before a stretch wrapper; 628 N slides even a laden corner across rollers without an auxiliary guide.
Cold-chamber sample shuttle
Pushing sample racks into a test chamber that runs down to -20 C, the lower limit of the cylinder operating band.
Tray denest pusher
Knocking the bottom tray off a stack into a filling lane; the cushion tames the impact when the tray drops free.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X130SU the Right Cylinder?
A 32 mm bore tops out at 402 N (0.5 MPa) and a 50 mm bore jumps to 981 N, so the 40 mm SU sits at the practical centre: strong enough for medium slides, cheap to run on compressed air. Aim continuous load at no more than 377 N and the seals will thank you. The port is 1/8" and the rod thread M12x1.25.
Do not count on the cylinder to hold position: with the valve centred or air lost, a plain double-acting MAC drifts, so spec a pilot check valve or rod lock under hanging loads. The flat U cover plus FA flange, LB foot or SDB pivot brackets covers rigid frames, and the 16 mm rod wants external guidance if the 130 mm stroke sees real side thrust.
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 MAC40X130SU FAQ
At 0.5 MPa: 628 N extending and 528 N retracting. At 0.7 MPa: 880 N out and 739 N back. The theoretical ceiling at 1.0 MPa is about 128 kgf. Stroke is 130 mm, ports are 1/8", rod thread M12x1.25, speed 30-800 mm/s.
A rolled stainless tube with a hard-chrome plated 16 mm rod resists mild corrosion and light washdown far better than painted-steel minis, so the SU suits damp food, outdoor and coolant-misted areas. Variable air cushion, 0.15-1.0 MPa (22-145 psi) operation and the standard magnet come with it.
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