Collection: Airtec Series NXDA Anti-Rotation Compact Pneumatic Cylinders

Technical information & FAQs

Airtec NXDA Anti-Rotation Compact Pneumatic Cylinders

Airtec Series NXDA pneumatic cylinders are compact double-acting actuators with a non-rotating piston rod, designed for machinery where attached tooling must maintain its angular position throughout the stroke.

The anti-rotation arrangement makes NXDA particularly useful for pushers, stops, clamps, locating devices and handling mechanisms where a conventional round piston rod could allow the attached component to twist out of alignment. The compact aluminium construction also keeps overall installation length down where machine space is restricted.

For standard compact movement without the anti-rotation requirement, compare Airtec NXD pneumatic cylinders. You can also browse the wider Airtec compact pneumatic cylinder range or return to the main Airtec pneumatic cylinder hub.

Why Choose NXDA Instead of a Standard Compact Pneumatic Cylinder?

A normal piston rod can rotate around its own axis unless the machine provides separate external guidance. That may be irrelevant for a simple pushing movement, but it becomes a problem when the piston rod carries tooling that must stay square to the workpiece.

NXDA adds rotational restraint directly into the pneumatic cylinder. This can reduce the need for additional anti-rotation hardware and keeps compact mechanisms simpler where the applied side loads remain suitable for the actuator.

Airtec NXDA Technical Specification

Manufacturer	AIRTEC Pneumatic GmbH
Series	NXDA
Product Category	Anti-rotation compact pneumatic cylinders
Construction Family	Compact / UNITOP-style pneumatic cylinder
Operation	Double acting
Rod Configuration	Non-rotating piston rod
Position Detection	Magnetic piston
Head and Base	Anodised aluminium
Cylinder Tube	Anodised aluminium
Piston Rod	1.4305 stainless steel
Seal Material	PUR
Maximum Operating Pressure	10 bar
Temperature Range	-20°C to +80°C
Cylinder Switch Types	Airtec D and A series
Rod Option	External male thread available with -AG option

Keep Pushers, Stops and Tooling Square

The strongest reason to specify NXDA is repeatable tooling orientation. A shaped pusher, locating finger or clamp attached directly to a normal piston rod can rotate unless something else on the machine controls that movement.

The non-rotating NXDA construction helps keep that tooling aligned during extension and retraction, making the range particularly useful for fixtures and automation where angular movement would affect product positioning or process repeatability.

Compact Construction Across a Wide Force Range

The Cylinder Warehouse Airtec catalogue includes NXDA pneumatic cylinders from smaller 16 mm bore units through to large 100 mm compact actuators. This allows the same anti-rotation principle to be used across very different machine-force requirements.

16 mm bore pneumatic cylinders — lightweight compact positioning and handling.
20 mm bore pneumatic cylinders — small-machine push, stop and fixture duties.
25 mm bore pneumatic cylinders — greater force in a compact footprint.
32 mm bore pneumatic cylinders — general industrial automation and tooling.
40 mm bore pneumatic cylinders — medium-force clamping and positioning.
50 mm bore pneumatic cylinders — higher-force compact machine movement.
63 mm bore pneumatic cylinders — substantial anti-rotation actuation.
80 mm bore pneumatic cylinders — large compact actuator duties.
100 mm bore pneumatic cylinders — high-force applications where installation length is still restricted.

Magnetic Feedback for Automated Machinery

NXDA pneumatic cylinders incorporate a magnetic piston, allowing compatible Airtec cylinder switches to detect piston position without mechanical contact.

This gives the machine control system confirmation that an anti-rotation pusher, locator or clamp has reached the required position before the next stage of the process begins.

Optional External Piston-Rod Thread

Standard NXDA dimensions include an internal rod connection appropriate to the selected size, while Airtec also offers the -AG option with an external male piston-rod thread.

This is important during replacement. A pneumatic cylinder can have the correct bore, stroke and anti-rotation construction but still fail to connect to the existing tooling if the wrong rod-end configuration is ordered.

NXD or NXDA?

Airtec Series	Mechanical Configuration	Choose It When...
NXD	Standard compact piston rod	The machine provides its own guidance or piston-rod rotation does not matter
NXDA	Non-rotating piston rod	Attached tooling must maintain its angular orientation during movement

The two ranges share the wider Airtec compact pneumatic cylinder platform, but the anti-rotation function makes NXDA a genuinely different mechanical solution.

Anti-Rotation Is Not the Same as Full Linear Guidance

NXDA is designed to restrict piston-rod rotation, but that does not mean the pneumatic cylinder can accept unlimited side loads or bending moments.

If the attached tooling is heavy, positioned far from the rod centreline or subject to significant lateral forces, a dedicated guided pneumatic cylinder may be the better engineering solution. Browse the wider guided pneumatic cylinder range where external load support is the primary requirement.

NXDA Replacement Decisions

My existing piston rod has flats or an anti-rotation profile. Should I replace it with standard NXD?

Not if the machine relies on that feature to maintain tooling orientation. Standard NXD does not provide the same anti-rotation function as NXDA.

Does NXDA need a separate external guide?

Not purely to prevent piston-rod rotation, but the pneumatic cylinder still has load limits. Heavy side loading or large bending moments may require additional guidance or a dedicated guided actuator.

What does -AG mean on an NXDA part number?

The -AG option identifies an external male piston-rod thread. Match this detail where the existing machine tooling attaches to the rod using that connection style.

Can NXDA be used with cylinder position sensors?

Yes. Standard NXDA products incorporate a magnetic piston and are specified for Airtec D and A series cylinder switches.

Where can I compare other Airtec compact pneumatic cylinders?

Browse Airtec compact pneumatic cylinders, return to the Airtec pneumatic cylinder hub, or compare all Airtec pneumatic cylinders.

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37 pneumatic cylinder products in this range.

Airtec
NXDA100/30
100mm bore x 30mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA100/30

£281.19 EX VAT

£337.43 INC VAT

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Airtec
NXDA16/40
16mm bore x 40mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA16/40

£71.53 EX VAT

£85.83 INC VAT

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Airtec
NXDA16/60
16mm bore x 60mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA16/60

£83.75 EX VAT

£100.50 INC VAT

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Airtec
NXDA80/50
80mm bore x 50mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA80/50

£235.64 EX VAT

£282.77 INC VAT

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Airtec
NXDA25/160
25mm bore x 160mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA25/160

£116.95 EX VAT

£140.34 INC VAT

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Airtec
NXDA25/60
25mm bore x 60mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA25/60

£89.77 EX VAT

£107.72 INC VAT

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Airtec
NXDA25/80
25mm bore x 80mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA25/80

£104.34 EX VAT

£125.21 INC VAT

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Airtec
NXDA25/90
25mm bore x 90mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA25/90

£105.92 EX VAT

£127.10 INC VAT

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Airtec
NXDA32/125
32mm bore x 125mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA32/125

£130.52 EX VAT

£156.62 INC VAT

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Airtec
NXDA32/160
32mm bore x 160mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA32/160

£137.92 EX VAT

£165.50 INC VAT

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Airtec
NXDA32/200
32mm bore x 200mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA32/200

£146.37 EX VAT

£175.64 INC VAT

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Airtec
NXDA32/25
32mm bore x 25mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA32/25

£95.83 EX VAT

£114.99 INC VAT

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Airtec
NXDA32/70
32mm bore x 70mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA32/70

£118.89 EX VAT

£142.67 INC VAT

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Airtec
NXDA32/90
32mm bore x 90mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA32/90

£123.12 EX VAT

£147.74 INC VAT

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Airtec
NXDA40/125
40mm bore x 125mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA40/125

£151.27 EX VAT

£181.52 INC VAT

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Airtec
NXDA40/160
40mm bore x 160mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA40/160

£159.92 EX VAT

£191.90 INC VAT

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Airtec
NXDA40/200
40mm bore x 200mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA40/200

£169.82 EX VAT

£203.78 INC VAT

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Airtec
NXDA40/70
40mm bore x 70mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA40/70

£137.64 EX VAT

£165.17 INC VAT

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Airtec
NXDA40/90
40mm bore x 90mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA40/90

£142.55 EX VAT

£171.06 INC VAT

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Airtec
NXDA50/125
50mm bore x 125mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA50/125

£190.68 EX VAT

£228.81 INC VAT

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Airtec
NXDA50/160
50mm bore x 160mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA50/160

£201.08 EX VAT

£241.29 INC VAT

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Airtec
NXDA50/200
50mm bore x 200mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA50/200

£212.93 EX VAT

£255.51 INC VAT

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Airtec
NXDA50/220
50mm bore x 220mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA50/220

£218.88 EX VAT

£262.65 INC VAT

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Airtec
NXDA50/70
50mm bore x 70mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA50/70

£174.37 EX VAT

£209.24 INC VAT

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Airtec
NXDA63/125
63mm bore x 125mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA63/125

£228.85 EX VAT

£274.62 INC VAT

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Airtec
NXDA63/160
63mm bore x 160mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA63/160

£241.23 EX VAT

£289.47 INC VAT

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Airtec
NXDA63/200
63mm bore x 200mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA63/200

£255.34 EX VAT

£306.41 INC VAT

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Airtec
NXDA63/250
63mm bore x 250mm stroke
Manufacturer Standard | Compact Pneumatic Cylinder
Manufacturer Part Number NXDA63/250

£255.34 EX VAT

£306.41 INC VAT

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