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Buchi Magnetic Drive bmd 075 / 150 / 300 / 800

" The absolute pressure tight drive system "

 

The Buchi magnetic drive "bmd" is a proven design and well known world wide. The magnetic drive is mounted directly onto the coverplate of any reactor and together they build a hermetically sealed unit. This system has been improved and adapted to the stringent requirements of the chemical industry. The new line of magnetic drives has no visible external rotating parts, a feature which makes working with them even more safe and reliable. bmd75_300_800.jpg (51623 bytes)

How it Works

This is how our magnetic drives work


The magnetic drive is mounted directly onto the coverplate of the vessel. Together they build one hermetically sealed unit. The external magnet that is located outside the pressure chamber rotates in ball bearings. The interacting magnetic fields cause the internal magnet to rotate sinchronous with the motor driven external magnet.





1 Static seal, shaft and closing cap
2 Rotating internal magnet with stirrer shaft
3 Rotating external magnet with drive

Available Models

  bmd 075 bmd 150 bmd 300 bmd 800
Torque 75 Ncm / 7 in-lb 150 Ncm / 14 in-lb 300 Ncm / 28 in-lb 800 Ncm / 73 in-lb
Pressure FV...+100 bar /
1450 psig
FV...100 bar /
1450 psig
FV...150 bar /
2175 psig
FV...150 bar /
2175 psig
Temp. at magnet +200�C +200�C +200�C +200�C
Max. speed 3000 Rpm 2000 Rpm 2000 Rpm 2000 Rpm
Stirrer shaft diameter 10 mm 10 mm 10 or 16 mm 16 mm
Connection M36x1.5 thread or 29/32 tapered joint M36x1.5 thread M36x1.5 thread M36x1.5 thread
Options Cooling jacket for higher temperatures, higher pressure, higher torque, other materials, other connections, custom built versions, speed measuring
bmd 075 is also available with built in DC motor => see cyclone 075
Wetted material Stainless steel 316 or Hastelloy C22
Dimensions Diam. 47mm / 1.85"
L=156mm / 6.14"
Diam. 67mm / 2.64"
L=210mm / 8.26"
Diam. 67mm / 2.64"
L=245mm / 9.65"
Diam. 67mm / 2.64"
L=275mm / 10.82"

Examples of shaft connections

bmd_M36.jpg (16599 bytes) bmd_NS29.jpg (16559 bytes) bmd_flat_seal.jpg (13576 bytes) bmd_O_seal.jpg (12803 bytes)
M36x1.5 thread
29/32 tapered joint
with 2  O-rings
M36x1.5 with
flat gasket
M32x1.5 with
O-ring

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Call 631-912-2300 ext 21 for more details on credit card payments.

Chemical Transfer Partnership, Corp. (CTP)

Tel:  631 -  912 - 2300

Fax: 631 - 912 - 0899

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