Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X50SCA
The AirTAC Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X50SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø0mm bore and 50mm stroke, PT/G 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.
- BoreØ0 mm
- Stroke50 mm
- Port sizePT/G
- Acting typeDouble acting + cushion
- Rod thread
- CushionVariable air cushion, both ends
About the Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X50SCA
A 50 mm stroke on a 20 mm bore keeps this MAC compact enough to hide inside a machine frame while still delivering 157 N of push at 0.5 MPa. It is double acting with a variable cushion at each end, so even short cycles at high speed land quietly. Working pressure spans 0.15-1.0 MPa (22-145 psi).
Budget about 94 N for real work at 0.5 MPa - roughly an 8 kg vertical lift with a 2:1 margin - and the cushion screws will tune out residual shock. The stainless round barrel and chrome-plated rod tolerate damp shop air, and because the magnet ships standard, a CMSG or DMSG switch simply clamps on for end-of-stroke feedback.
Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X50SCA Technical Specifications
| Model | Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X50SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø0 mm |
| Stroke | 50 mm |
| Acting type | Double acting + cushion |
| Port size | PT/G |
| Rod thread |
| 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 (Ø0mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 0 N | 0 N |
| 0.7 MPa | 0 N | 0 N |
| Max (@1.0 MPa) | 0 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X50SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 0 | Bore size in mm. |
| ×50 | 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 B01-MAC Series Special Purpose Cylinder B01-MAC20X50SCA Is Used
Bottling line flipper
Flips a lay-down bottle upright on a 50 mm pitch; the short stroke cycles fast with both ends cushioned, right up to the 800 mm/s top speed.
Weld fixture clamping pin
Inserts a locating pin into a car-door welding fixture; about 94 N of working force at 0.5 MPa seats the pin without marking the panel.
Trim press part eject
Ejects a trimmed gasket from a shallow die; a CMSG switch on the standard magnet confirms full retraction before the press cycles again.
Is the Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X50SCA the Right Cylinder?
Lighter duty up to 100.5 N suits the 16 mm bore; heavier 50 mm-stroke work calls for the 25 mm bore at 245.3 N. When the valve goes to centre the rod is free to move under load - plan a rod lock or external stop for anything that must stay clamped. CA pivot plus an SDB bracket or Y knuckle suits swing motions, and the magnet is already in the piston for CMSG sensing.
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 B01-MAC Series Special Purpose Cylinder B01-MAC20X50SCA FAQ
It extends with 157 N and retracts with 131.9 N at 0.5 MPa; at 0.7 MPa the figures are 219.8 N and 184.7 N, with about 32 kgf theoretical at 1.0 MPa. Ports are 1/8 inch and the rod thread is M8x1.25 on an 8 mm rod.
The pivot only shapes the mounting - it holds nothing. When the valve centres, the rod drifts with the load, so use a rod lock or a pilot check valve wherever a parked position matters. For swing motion, pair the CA cover with an SDB bracket or I/Y rod knuckles.
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