| Magnetic Drive Couplings / Magnetically Coupled Lab. Stirrer |
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| Salient Features : |
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Suitable for any agitation application under full vacuum or high pressure upto 10000 psi |
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Suitable for 50ml - 5000 Ltrs reactors |
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MOC offered : SS 316,Hastelloy C, Monel , Titanium etc |
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Suitable for stirring in glass/metal reactors, fermentors etc |
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Used in Retrofitting existing gland/mechanical seal for reactors of any make & size with little modifications |
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The gland / mechanical sealing need replacement after every 200-1000 hrs of working depending on application & have limitation maximum pressure where as magnetic drive can run virtually life long without leakage & can be designed for pressure upto 5000psi & also magnetic drive coupling has no spares that wears out & needs replacement. |
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Very useful for long or round the clock reactions as in gland/mechanical sealing if there is any leakage midway, the whole batch may go waste. |
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Zero leakage implies zero breakdown & zero maintenance, hence large savings in maintenance cost for years. |
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Safe while using toxic & hazardous chemicals as its leakage is totally prevented. |
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No waste of expensive liquids through leakage. |
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Almost no losses since these are friction free in synchronous operations. |
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Minimum vibration transmission & hence smooth running. |
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The coupling is flexible & hence any over load results in coupling slippage, thus preventing any breakage of coupling, shaft or failure of motor. |
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| Construction and Working Principle |
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It is a zero leakage maintenance free coupling
directly driven by the motor. It consists of external magnet rotor,
which is driven by the motor. A stationary shell is threaded / bolted
to reactor head & completely isolates the external rotor from
the inner rotor. As the external rotor rotates, the internal also
rotates in synchronism. The reactor's shaft is threaded to the inner
rotor. High energy permanent (rare earth) magnets are fixed inside
the inner & outer rotors. A water cooling jacket protects the
magnets & other components from excessive temperature arising
from the reactor.
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Magnetically Coupled Lab. Stirrer |
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| Salient Features |
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Top mounted compact Inline motor & magnetic drive. |
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Zero leakage during rotation under vacuum & under pressure upto 10000 psi |
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Suitable for shaft sealing of any metal / glass reactors from 50ml - 25 Ltrs sizes. |
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MOC offered : SS 316,Hastelloy C, Monel , Titanium etc. |
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No external rotation , rotation inside housing. |
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No stand for motor mounting required |
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Light weight & economical |
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PMDC/Brushless DC Motor option available |
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Available in Torque capacities upto 8 N-m |
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| Models - Magnetic Drive / Stirrers |
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M-Series |
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Magnetic drives for metal autoclaves. |
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MG-Series |
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Magnetic drives for glass autoclaves. |
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MM-Series |
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Inline motor & magnetic drive for metal autoclaves. |
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MMG-Series |
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Inline motor & magnetic drive for glass autoclaves. |
| Note : The number after the series indicates the torque capacity in Kg.cm |
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| Various Models as per Torque Capacity |
| Sr. No. |
Static Torque Capacity
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Can be Used For Reactor Sizes |
| Model No. |
Kg-cm. |
N.m. |
N.cm. |
Lb.in. |
| (a) |
M08/MM08 |
8 |
0.785 |
78.5 |
6.93 |
50ml-700ml |
| (b) |
M20/MM20 |
20 |
1.96 |
196 |
17.4 |
50ml-2Ltrs |
| (c) |
M40/MM40 |
40 |
3.92 |
392 |
34.4 |
400ml-2Ltrs |
| (d) |
M80/MM80 |
80 |
7.85 |
785 |
69.4 |
5Ltrs |
| (e) |
M200 |
200 |
19.6 |
1960 |
170 |
10-100Ltrs |
| (f) |
M400 |
400 |
39.2 |
3920 |
340 |
200-500Ltrs |
| (g) |
M900 |
900 |
88.3 |
8830 |
780 |
500-1000Ltrs |
| (h) |
M1800 |
1800 |
177 |
17700 |
1562 |
1000ml-2000Ltrs |
| (i) |
M2700 |
2700 |
265 |
26500 |
2344 |
2000-5000Ltrs |
| (j) |
MG08/MMG08 |
8 |
0.785 |
78.5 |
6.93 |
50ml-5Ltrs. (Glass Vessel) |
| (k) |
MG20/MMG20 |
20 |
1.96 |
196 |
17.4 |
5Ltrs-25Ltrs. (Glass Vessel) |
| (l) |
MG40/MMG40 |
40 |
3.92 |
392 |
34.7 |
10Ltrs-25Ltrs. (Glass Vessel) |
| (m) |
MG80/MMG80 |
80 |
7.85 |
785 |
69.4 |
10Ltrs-25Ltrs. (Glass Vessel) |
Note : Magnetic drives of higher torque capacity for reactors of any make can be designed on request.
Higher torque drives (than recommended) can be used for particular reactor size for viscous liquids.
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| Technical Specifications |
| Description |
Standard
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Optional |
| M.O.C wetted parts |
SS-316 |
Hastelloy C,
Monel, Titanium etc. |
| Max. Allowable Working
Pressure |
Full Vacuum to 350bar (kg/cm²) for (a) to (d),
100 bar (kg/cm²) for (e) & (f), 50 Kg/cm² for (g) & (i) full vacuum to 6 bar
for (j) & (m). |
Upto 350 bar (kg/cm²)
for (e) &(f)
100 bar (Kg/Cm²) for (g)&(i). |
| Max. Working Temperature |
200°c upto 500°C
if cooling jacket provided. glass vessel magnetic drives (i.e. MG Series) are without cooling jacket. |
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| Maximum RPM |
1450 for (a) to (d) &
(j) to (m), 700 for (e) to (f),
500 for (g) to (i) |
Upto 3000rpm for (a)
to (d) & (j) to (m),
1500rpm for (e) & (f) |
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| Overall Dimensions |
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| M Series |
MG Series |
MM Series |
MMG Series |
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| Sr. No. |
Model No. |
Drive End Connections A |
Shaft End Connections B |
C mm |
D mm |
E mm |
F mm |
G mm |
| (a) |
M08/MM08 |
1/4" BSPP(M)/3/8" BSPP(M) |
1/4" BSF(F)/ 5/16" BSF(F) |
158/279 |
45/63 |
10/- |
30/- |
50/50 |
| (b) |
M20/MM20 |
3/8" BSPP(M)/1/2" BSPP(M) |
1/4" BSF(F)/ 5/16" BSF(F) |
182/315 |
54/63 |
22/- |
27/- |
59/62 |
| (c) |
M40/MM40 |
1/2" BSPP(M) |
5/16" BSF(F) |
194/347 |
63/85 |
22/- |
27/- |
62/62 |
| (d) |
M80/MM80 |
1/2"
BSPP(M) |
5/16" BSF(F) |
244/440 |
63/85 |
22/- |
27/- |
62/62 |
| (e) |
M200 |
1"/ 11/4" BSPP(M) |
1/2"/3/4" BSF(F)/M 30 |
277/282 |
100 |
35 |
34 |
97/102/216 |
| (f) |
M400 |
1 1/4"
BSPP(M) |
3/4" BSF(F)/ M 30 |
352 |
100 |
35 |
34 |
102/216 |
| (g) |
M900 |
21/2"" BSPP(M) |
Ø 50 with keyway |
410 |
177 |
50 |
53 |
345 |
| (h) |
M1800 |
21/2"" BSPP(M) |
Ø 60 with keyway |
550 |
177 |
50 |
53 |
298 |
| (i) |
M270 |
21/2"" BSPP(M) |
Ø 60 with keyway |
520 |
192 |
50 |
53 |
298 |
| (j) |
MG08/MMG08 |
NS 29/ 32, NS 45/ 40,
B 34 |
8 mm I/D & 5/16" BSF(F) |
169/288 |
45/63 |
10/- |
30/- |
65/65 |
| (k) |
MG20/MMG20 |
NS 29/ 32, NS 45/ 40,
B 34 |
8 mm I/D & 5/16" BSF(F) |
199/327 |
45/63 |
10/- |
30/- |
65/65 |
| (l) |
MG40/MMG40 |
NS 29/ 32, NS 45/ 40,
B 34 |
8 mm I/D & 5/16" BSF(F) |
196/341 |
63/85 |
22/- |
27/- |
46/46 |
| (m) |
MG80/MMG80 |
NS 29/ 32, NS 45/ 40,
B 34 |
8 mm I/D & 5/16" BSF(F) |
246/434 |
63/85 |
22/- |
27/- |
46/46 |
| Since develpment is a continuos process, the above specs can change without prior notice. |
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For enquiry specify the model no., M.O.C, Pressure & end connections for shaft & drive if different from standard. |
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Drive & Shaft end connections can be custom built to NPT, flanged, taper joints as per requirment. |
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Generally Magnetic Drive Coupling or Stirrers are not supplied with shaft & impellers however the same can be offered on special request. |
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