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Magnetic Drive Gear Pumps
PULSAFEEDER
ISOCHEM GEAR PUMPS
Alloy C Containment Can minimizes head rise & provides superior corrosion resistance

Samarium cobalt permanent magnets provide high torque capability

Close-coupled mounting to NEMA C-flange or metric flanged motors eliminate alignment problems

Teflon O-rings standard

Metal/non-metal gear combinations available for thin liquids

Optional silicon carbide bearings with hardened shafts provide extended life and longer service intervals

SPECIFICATIONS    
     
GM2
GM4
GM6
GM8
GM8
GM12
GM16
Max. Flow @ 1750, 0 pressure GPM (M3/HR)
1.5 (.34)
3.0 (.68)
10.0 (2.3)
22.0 (5.0)
22.0 (5.0)
NA
NA
Max. Flow @ 1150, 0 pressure GPM (M3/ HR)
1.0 (.23)
2.0 (.45)
6.4 (1.5)
14.5 (3.3)
13.5 (3.3)
28.0 (6.3)
55.0 (12.5)
Theoretical displacement GAL/100 REV (cc/REV)
.108 (4.08)
.189 (7.15)
.684 (25.89)
1.3687 (51.78)
1.3687 (51.78)
2.792 (105.7)
5.584 (211)
Max. diff. pres. PSI (BARS)  
100 (6.9)
100 (6.9)
100 (6.9)
50 (3.45)
100 (6.9)
100 (6.9)
100 (6.9)
Max. diff. pres. plastic/plastic gears PSI (BARS)
50 (3.45)
50 (3.45)
50 (3.45)
50 (3.45)
NA
NA
NA
Max. casing pressure PSIG (BARS)
150 (10.3)
 
150 (10.3)
150 (10.3)
150 (10.3)
150 (10.3)
150 (10.3)

Temperature range:


 
 
 
 
 
 
Metal/metal gears
 
 
 
 
 
 
 

Metal/carbon gears

-100 to +400oF
-100 to +400oF
-100 to +400oF
-100 to +400oF
-100 to +400oF
-100 to +400oF
-100 to +400oF
Metal/peek gears
(-73 to +204oC)
(-73 to +204oC)
(-73 to +204oC)
(-73 to +204oC)
(-73 to +204oC)
(-73 to +204oC)
(-73 to +204oC)
Peek/peek gears (5)
 
 
 
 
 
 
 
Metal/plastic gears (1)  
0 to +210oF
0 to +210oF
0 to +210oF
0 to +210oF
0 to +210oF
0 to +210oF
0 to +210oF
Plastic/plastic gears (1) (6)  
(-18 to =99oC)
(-18 to =99oC)
(-18 to =99oC)
(-18 to =99oC)
(-18 to =99oC)
(-18 to =99oC)
(-18 to =99oC)
Max. viscosity (2) SSU (CPS)
50000
(100000)
50000
(100000)
50000
(100000)
50000
(100000)
50000
(100000)
50000
(100000)
50000
(100000)
Min. viscosity: Metal/metal gears SSU (CPS)
500 (100)
500 (100)
500 (100)
500 (100)
500 (100)
500 (100)
500 (100)
Min. viscosity: Ceramic wear plates SSU (CPS)
500 (100)
500 (100)
500 (100)
500 (100)
500 (100)
500 (100)
500 (100)
Max. rotational speed
1750 RPM
1750 RPM
1750 RPM
1750 RPM
1750 RPM
1150 RPM
1150 RPM
Max. rotational speed:Metal/metal gears
1450 RPM
1450 RPM
1450 RPM
1450 RPM
1450 RPM
1150 RPM
1150 RPM
Magnetic coupling torque limit @ 68oF IN/LB (4)
55
55
162
162
389 (288)
637 (496)
1239 (991)
Magnetic coupling torque limit @ 392oF IN/LB (4)
37
37
106
106
341 (252)
558 (434)
1084 (872)
Inlet port size NPT, BSPT 150 LB FLG
1/4 THD
1/ THD
3/4 THD
1/ THD
1/ THD
1-1/2 THD or FLG
2 FLG
Outlet port size NPT, BSPT 150 LB FLG
1/4 THD
1/2 THD
3/4 THD
1 THD
1 THD
1-1/2 THD or FLG
2 FLG
Can drain port size NPT  
1/8 THD
1/8 THD
1/8 THD
1/8 THD
1/8 THD
1/4 THD
1/4 THD
Bearing type
 
 
 
Internal Sleeve
 
 
 
Bearing lubrication
 
 
 
By pumped fluid
 
 
 
Rotation Direction
 
 
 
Reversible
 
 
 
Motor frame sizes available
56C, 145TC
71,80
56C, 145TC
71,80
56C, 145TC
80, 90L
56C, 145TC
80, 90L
143/5TC, 100L
Any, base
mount only
Any, base
mount only
Standard sealing material
Teflon
Teflon
Teflon
Teflon
Teflon
Teflon
Teflon
Pump & casing HxWxL (3) IN
6.5x6.5x7.25
6.5x6.5x7.25
6.75x6.75x8.38
6.75x6.75x8.38
8.88x8.0x13.44
12.19x10x24.56
12.19x10x24.56
Pump & casing weight   LBS (kg)
16 (35.3)
16 (35.3)
28 (61.7)
30 (66.1)
75 (165)
190 (418)
225 (495)
Notes:
(1) For temperatures over 110oF trimmed plastic gears are required.
(2) Consult the factory for higher viscosities.
(3) Dimensions vary for metric units, but are within envelope dimensions specified.
(4) Torque in ( ) is for double can pumps.
(5) Peek/peek gears are not available on the GMH8, GM12 and GM16.
(6) Plastic/plastic gears are not available on the GMH8, GM12, and GM16.