SEALING FUNCTION
The containment shroud that is fixed on the housing separates internal and external rotor from each other. It ensures a completely leak-proof separation of product space and atmosphere. The sealing is made statically, e. g. with a flat gasket or an O-ring, thus eliminating the need to use dynamically loaded sealing elements. As a standard GS900 supplies both metallic and non-metallic containment shrouds. The metallic types cover the widest application range, yet causing eddy current losses which might require cooling measures. If eddy current losses can be entirely excluded, the energy-efficient alternative materials PEEK and ceramics are available.
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magnetic coupling with containment shroud made of Hastelloy
contactless torque transmission with permanent magnets
hermetical separation of sensitive liquids and gases
torques from 10 to 5,000 Nm
max. operating temperature 300 °C
Customer-specific: 0.1 up to 25,000 Nm
Optimally matched to the various media , the wetted parts of the magnetic coupling are made of different materials:
Standard: 1.4571 and 2.4610 (Hastelloy C-4)
Stainless steel: 1.4301, 1.4401, 1.4404, 1.4435, 1.4539, 1.4980
Hastelloy: 2.4602 (C 22), 2.4819 (C 276)
Titanium: 3.7165 (Grade 5), 3.7035 (Grade 2), Beta C/Grade 19, Ti 6 2 4 6
Plastic: PTFE, PFA, TFM, PVDF
Many other special materials on request.
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GS900 MAGNETIC COUPLINGS
The magnetic couplings are permanent-magnetic couplings transmitting the torque without contact through magnetic forces between two magnetic rotors.
The standard type GS900 magnetic coupling with containment shroud and magnets positioned radially ensures hermetic separation of driving and driven side in pumps and agitators.
Disk coupling:
With the disk coupling which is optionally available the magnets face each other axially so that torques can be transmitted through plane walls. The transmittable torque can be varied by adjusting the air gap.
GS900 couplings with containment shroud made of stainless steel are the most common type for pump drives and other applications with liquids in the lower performance range. Subject to their high resistance to pressure and temperature they cover a wide application range.
The magnetic rotors are available from stock in an unbored resp. pilot bored design. If requested, the parts can be fi nish bored according to ISO fi t H7 and provided with a feather keyway to DIN 6885 sheet 1 [JS9].
Inside the rotating magnetic fi eld metallic containment shrouds generally cause losses of eddy current which are converted into heat and which may require cooling measures. On applications with pumps the generated heat can usually be dissipated by the conveyed medium.
If higher pressure resistance than covered by the GS900 standard is required, We provides for customised special solutions.
Typical applications: gear pumps, centrifugal pumps, screw spindle pumps, agitators, PU foaming lines
MODELS AND TECHNICAL SPECIFICATIONS
Type |
| Torque | Drawing No. |
GS900/ 135/85 |
| 85 Nm | GS900M0026 |
GS900/ 135/100 |
| 100 Nm | GS900M0063 |
GS900/ 135/135 |
| 135 Nm | GS900M0033 |
GS900/ 135/180 |
| 180 Nm | GS900M0041 |
GS900/ 135/220 |
| 220 Nm | GS900M0010 |
GS900/ 165/140 |
| 140 Nm | GS900M0027 |
GS900/ 165/200 |
| 200 Nm | GS900M0034 |
GS900/ 165/275 |
| 275 Nm | GS900M0042 |
GS900/ 165/365 |
| 365 Nm | GS900M0047 |
GS900/ 200/550 |
| 550 Nm | GS900M0112 |
GS900/ 200/700 |
| 700 Nm | GS900M0113 |
GS900/ 200/850 |
| 850 Nm | GS900M0114 |
GS900/ 200/1000 |
| 1000 Nm | GS900M0115 |
GS900/ 200/1200 |
| 1200 Nm | GS900M0203 |
APPLICATION FIELDS
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