MD21 uhv rotary feedthroughs

MD21 MagiDrive (UHV rotary feedthroughs)

The MD21 MagiDrive is based upon the MD20 and shares similar external dimensions. The MD21, however, benefits from an enhanced magnetic array providing over 20% of additional torque.

Product selection

The MagiDrives are selected using four criteria as illustrated in the product code selector table below. Links to dimensional drawings are then included. For further information or to request pricing please contact sales.

NEW! Modular shaft extension kit

A cost effective shaft extension kit is now offered to ensure concentric rotation. Click here for further details.


MagiDrive Body	MD21
System Mounting Flange	70mm OD (2-3/4" OD CF)
Construction	Machined from one piece 316L
Shaft Style	Solid
Break-away Torque	0.56Nm (0.41 lbft)
Maximum no load spin speed (standard bearings)	500rpm
Maximum shaft axial thrust	66N (15 lbf)
Bakeout	250ºC

	Product Code Selector

	To generate the part number for a MagiDrive, select a code from each of the four criteria as shown below

	Drive	Actuation		Shaft Type		Internal Bearings

		Manual Options
	MD21	T	Standard Thimble	X000	Stub shaft	Z	Standard Bearings
		P	Timing Pulley	XD	Dual Shaft Drive	CE	CeramaDrive
		C	Calibrated Thimble (1° increments)	X030	30mm Shaft Extension with Flat
				MX000	Modular Shaft*
		Automated Options
		IS	Inline Mounted Stepper Motor
		ID	Inline Mounted DC Motor				= Base Model
		RA	Pneumatic Actuator				= Options Available
To order the shaft extension kit use part number 'SEK*'
I.E. MD21PX000Z = an MD21 fitted with a timing pulley, stub shaft and standard bearings

Dimensional Drawings

MD21TX000Z	MD21PX000Z	MD21RAX000Z	MD21CX000Z
MD21ISX000Z	MD21IDX000Z	MD21TXDZ	MD21MX000Z


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