VBPM25 Series Dual Bellows UHV XYZ Manipulators

The PM25 series XYZ manipulators are available as standard with a DN160CF base flange and a DN63CF moving flange. They offer +/-25mm travel in XY and up to 1 metre in Z. The smaller Z bellows has an internal diameter of 39mm and a support bearing for a 38mm diameter insert (other sizes on request). The manipulator has a maximum 30kg load on the z axis. A range of made-to-fit cryostats, sample stages and rotation stages are also available.

Key Features


  • Z travel from 50-1000mm
  • X/Y travel +/-25mm vector sum
  • Bellows inner diameter 39mm
  • Support bearing of 38mm inner diameter suitable for VAb inserts.
  • Micrometer scales on all axes for repeatable positioning
  • Resolution: 0.01mm manual, 0.001mm motorised
  • DN160CF base flange with threaded holes in a straddled orientation
  • DN63CF top flange with through holes
  • UHV compatible, bakeout up to 230ºC (motors have to be removed if motorised)
  • Flanges 316LN, tube and bellows 316L stainless steel
  • Pressure range 1 bar – 1×10-11 mbar
  • Maximum load on Z axis 30kg
  • Two positionable mechanical limits for the Z axis to limit the travel within its range
  • Options available (not listed in the table below, please ask):
    • DN40CF top flange with threaded holes
    • DN100CF or DN200CF base flange
    • In-line bolt hole orientation on base flange
    • Support bearing for alternative insert diameter (35/40/43/44mm)
    • motorisation of Z axis with 2 phase stepper motor PKP268MD28B (Oriental) NEMA 23 / 2 Nm
    • motorisation of XY axes with 2 phase stepper motor PKP268MD28B (Oriental) NEMA 23 / 2 Nm
    • Linear encoder, motor encoder
    • Limit switches to provide feedback if an axis reaches either end of its travel
    • Sample holder inserts with rotation / heating / cooling
    • Spring-loaded support mechanism for long horizontally-mounted manipulators
    • Rotational feedthrough with one or two rotation axes
    • Sample stage including heating or cooling (LN2 / LHe)
Part No.Travel (mm)Length A - flange-flange (mm)Length B (mm) see drawingLength C (mm) see drawingWeight (kg)Actuation ZActuation XY
VBPM25-5050302-35250626.8ManualManual
VBPM25-50+
VBPM25-50ZS250302-35250428.8MotorisedManual
VBPM25-50ZS2+
VBPM25-50S250302-35250431.8MotorisedMotorised
VBPM25-50S2+
VBPM25-100100302-40255627.5ManualManual
VBPM25-100+
VBPM25-100ZS2100302-40255429.6MotorisedManual
VBPM25-100ZS2+
VBPM25-100S2100302-40255433.6MotorisedMotorised
VBPM25-100S2+
VBPM25-150150302-45260628.4ManualManual
VBPM25-150+
VBPM25-150ZS2150302-45260430.4MotorisedManual
VBPM25-150ZS2+
VBPM25-150S2150302-45260434.4MotorisedMotorised
VBPM25-150S2+
VBPM25-200200302-50265629.2ManualManual
VBPM25-200+
VBPM25-200ZS2200302-50265431.2MotorisedManual
VBPM25-200ZS2+
VBPM25-200S2200302-50265435.2MotorisedMotorised
VBPM25-200S2+
VBPM25-250250302-55270629.6ManualManual
VBPM25-250+
VBPM25-250ZS2250302-55270431.6MotorisedManual
VBPM25-250ZS2+
VBPM25-250S2250302-55270435.6MotorisedMotorised
VBPM25-250S2+
VBPM25-300300342-64275631.2ManualManual
VBPM25-300+
VBPM25-300ZS2300342-64275433.2MotorisedManual
VBPM25-300ZS2+
VBPM25-300S2300342-64275437.2MotorisedMotorised
VBPM25-300S2+
VBPM25-350350342-69280632.0ManualManual
VBPM25-350+
VBPM25-350ZS2350342-69280434.0MotorisedManual
VBPM25-350ZS2+
VBPM25-350S2350342-69280438.0MotorisedMotorised
VBPM25-350S2+
VBPM25-400400342-74285632.8ManualManual
VBPM25-400+
VBPM25-400ZS2400342-74285434.8MotorisedManual
VBPM25-400ZS2+
VBPM25-400S2400342-74285438.8MotorisedMotorised
VBPM25-400S2+
VBPM25-450450352-80291633.6ManualManual
VBPM25-450+
VBPM25-450ZS2450352-80291435.6MotorisedManual
VBPM25-450ZS2+
VBPM25-450S2450352-80291439.6MotorisedMotorised
VBPM25-450S2+
VBPM25-500500362-86297634.4ManualManual
VBPM25-500+
VBPM25-500ZS2500362-86297436.4MotorisedManual
VBPM25-500ZS2+
VBPM25-500S2500362-86297440.4MotorisedMotorised
VBPM25-500S2+
VBPM25-550550372-92275635.2ManualManual
VBPM25-550+
VBPM25-550ZS2550372-92275437.2MotorisedManual
VBPM25-550ZS2+
VBPM25-550S2550372-92275441.2MotorisedMotorised
VBPM25-550S2+
VBPM25-600600372-97280636.0ManualManual
VBPM25-600+
VBPM25-600ZS2600372-97280438.0MotorisedManual
VBPM25-600ZS2+
VBPM25-600S2600372-97280442.0MotorisedMotorised
VBPM25-600S2+
VBPM25-650650382-105285636.8ManualManual
VBPM25-650+
VBPM25-650ZS2650382-105285438.8MotorisedManual
VBPM25-650ZS2+
VBPM25-650S2650382-105285442.8MotorisedMotorised
VBPM25-650S2+
VBPM25-700700402-110291637.6ManualManual
VBPM25-700+
VBPM25-700ZS2700402-110291439.6MotorisedManual
VBPM25-700ZS2+
VBPM25-700S2700402-110291443.6MotorisedMotorised
VBPM25-700S2+
VBPM25-750750412-116297638.4ManualManual
VBPM25-750+
VBPM25-750ZS2750412-116297440.4MotorisedManual
VBPM25-750ZS2+
VBPM25-750S2750412-116297444.4MotorisedMotorised
VBPM25-750S2+
VBPM25-800800407-1207132144.0ManualManual
VBPM25-800+
VBPM25-800ZS2800407-1207131946.0MotorisedManual
VBPM25-800ZS2+
VBPM25-800S2800407-1207131950.0MotorisedMotorised
VBPM25-800S2+
VBPM25-900900427-1327144147.8ManualManual
VBPM25-900+
VBPM25-900ZS2900427-1327143949.6MotorisedManual
VBPM25-900ZS2+
VBPM25-900S2900427-1327143953.6MotorisedMotorised
VBPM25-900S2+
VBPM25-10001000447-1447156148.3ManualManual
VBPM25-1000+
VBPM25-1000ZS21000447-1447155950.3MotorisedManual
VBPM25-1000ZS2+
VBPM25-1000S21000447-1447155954.3MotorisedMotorised
VBPM25-1000S2+

VBPM25-50

Make Enquiry

VBPM25-50ZS2

Make Enquiry

VBPM25-50S2

Make Enquiry

VBPM25-100

Make Enquiry

VBPM25-100ZS2

Make Enquiry

VBPM25-100S2

Make Enquiry

VBPM25-150

Make Enquiry

VBPM25-150ZS2

Make Enquiry

VBPM25-150S2

Make Enquiry

VBPM25-200

Make Enquiry

VBPM25-200ZS2

Make Enquiry

VBPM25-200S2

Make Enquiry

VBPM25-250

Make Enquiry

VBPM25-250ZS2

Make Enquiry

VBPM25-250S2

Make Enquiry

VBPM25-300

Make Enquiry

VBPM25-300ZS2

Make Enquiry

VBPM25-300S2

Make Enquiry

VBPM25-350

Make Enquiry

VBPM25-350ZS2

Make Enquiry

VBPM25-350S2

Make Enquiry

VBPM25-400

Make Enquiry

VBPM25-400ZS2

Make Enquiry

VBPM25-400S2

Make Enquiry

VBPM25-450

Make Enquiry

VBPM25-450ZS2

Make Enquiry

VBPM25-450S2

Make Enquiry

VBPM25-500

Make Enquiry

VBPM25-500ZS2

Make Enquiry

VBPM25-500S2

Make Enquiry

VBPM25-550

Make Enquiry

VBPM25-550ZS2

Make Enquiry

VBPM25-550S2

Make Enquiry

VBPM25-600

Make Enquiry

VBPM25-600ZS2

Make Enquiry

VBPM25-600S2

Make Enquiry

VBPM25-650

Make Enquiry

VBPM25-650ZS2

Make Enquiry

VBPM25-650S2

Make Enquiry

VBPM25-700

Make Enquiry

VBPM25-700ZS2

Make Enquiry

VBPM25-700S2

Make Enquiry

VBPM25-750

Make Enquiry

VBPM25-750ZS2

Make Enquiry

VBPM25-750S2

Make Enquiry

VBPM25-800

Make Enquiry

VBPM25-800ZS2

Make Enquiry

VBPM25-800S2

Make Enquiry

VBPM25-900

Make Enquiry

VBPM25-900ZS2

Make Enquiry

VBPM25-900S2

Make Enquiry

VBPM25-1000

Make Enquiry

VBPM25-1000ZS2

Make Enquiry

VBPM25-1000S2

Make Enquiry