
The AirTAC Airtac B01-MA Special Cylinder B01-MA20X100SCA is a genuine double acting standard round-body mini air cylinder with a Ø0mm bore and 100mm stroke, PT/G air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
The CA pivot back cover on this MA20X100-S-CA gives the cylinder a swing eye at the rear, so the rod can follow a moving linkage instead of loading the bore sideways. Inside, a stainless-steel round barrel carries a hard-chrome plated 8 mm rod, with aluminium-alloy covers riveted onto the tube for a compact, sealed round body. Double acting throughout, air both extends and retracts the piston: 157 N push and 132 N pull at 0.5 MPa (73 psi), rising to 220 N and 185 N at 0.7 MPa (102 psi). Fixed anti-impact bumper pads soften the stroke ends, and travel speed spans 30-800 mm/s. Two practical wins for buyers: the stainless barrel shrugs off mild corrosion and washdown splash far better than painted-steel minis in damp food, outdoor or coolant-mist corners, and the piston magnet comes standard, so CMSG, DMSG or EMSG switches clip straight on with no special-order piston. For sizing, plan on roughly 94 N of real work at 0.5 MPa (0.6 of the 157 N push), which covers about 8 kg of vertical lift with a 2:1 margin.
| Model | Airtac B01-MA Special Cylinder B01-MA20X100SCA |
|---|---|
| Series | MA mini cylinder |
| Bore size | Ø0 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| 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 | Fixed anti-impact bumper pads |
| 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.
| 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.
| MA | Standard round-body mini cylinder (double-acting). |
|---|---|
| 0 | Bore size in mm. |
| ×100 | 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.
The 157 N push at 0.5 MPa ejects misfed pouches from a horizontal flow-wrapper infeed, and the riveted stainless barrel copes with the routine washdown the line sees between shifts.
The CA rear pivot lets the rod follow a swinging duct or sash damper leaf on a lab ventilation hood, with the 132 N pull holding the door firmly closed against duct pressure.
After each press cycle the cylinder knocks finished bronze bushings out of a soft jig, a duty well inside its roughly 8 kg vertical-lift class for small metal parts.
Compare 0.5 MPa forces before settling on this bore: the 16 mm bore manages only 100 N push, while 25 mm jumps to 245 N, so choose 16 for light gating and move to 25 when the duty sits above the 94 N working band of this 20 mm unit. A plain MA does not park itself: once the valve centres or air pressure drops, the piston and load drift freely, so add a pilot check valve or a rod lock where the 100 mm stroke must stay put. The CA pivot eye pairs naturally with an SDB pivot bracket, while the FA flange and LB foot cover fixed installations. On a 100 mm stroke the 8 mm rod is slender, so keep external side load off it or guide the part separately.
Quick checklist
At 0.5 MPa it pushes 157 N and pulls 132 N; at 0.7 MPa those figures rise to 220 N and 185 N, with a theoretical maximum of 32 kgf at 1.0 MPa. It is double acting, runs on 0.15-1.0 MPa (22-145 psi) air filtered to 40 um, travels at 30-800 mm/s, withstands 1.5 MPa (215 psi) proof pressure, uses 1/8 in ports, and carries an 8 mm rod with M8x1.25 male thread.
No. Every MA-series cylinder, this one included, leaves the factory with a piston magnet built in, so CMSG, DMSG or EMSG switches mount directly on the stainless barrel and feed rod-position signals to your PLC. Remember the fixed bumper pads only decelerate the stroke ends; they are not a brake, and the rod will drift under load if air pressure is lost.
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