Liquiflo H Series Installation, Operation & Maintenance Manual page 5

Magnetic-drive gear pumps
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Liquiflo Installation, Operation & Maintenance Manual
Table 2: Absolute Temperature & Pressure Ratings
Pump
Series
H1F, H3F, H5R & H5F
H-Series
H7N, H7R, H7F, H9R & H9F
31F, 33F, 35R & 35F
3-Series
37R, 37F, 39R, 39F & 311F
NOTES:
1
The actual maximum surface temperature depends not on the pump but primarily on the temperature of the
fluid being pumped. Temperature class can be controlled with the use of thermal sensors. Pump surfaces will
be approximately 20 °F (7 °C) above the temperature of the fluid being pumped.
Pump is designed to operate within the ambient temperature range of -4 °F (-20 °C) and 104 °F (40 °C).
2
3
For pumps with ANSI 150# RF Flanges, the Maximum Operating Pressure Rating of the flange is 285 PSIG
within the temperature range of -20 to 100 °F. Above 100 °F, derate by 0.29 PSIG/°F.
Table 3: Maximum Torque Specifications (in-lbs)
H-Series
Parameter
3-Series
Idler Gear Teflon
Idler Gear Carbon
Idler Gear Celcon/Delrin
Idler Gear PEEK
Idler Gear Ryton
Double Metal Gears
MCS
MCU
Magnetic Coupling
MCA
Size
MCB
MCC
MCV
Table 4: Weight Data
H-Series H1F
Parameter
3-Series
Pump Weight *
*
Weight of pump with threaded ports, excluding motor.
Pump
Models
Temperature
UNITS:
°F
-40
-40
-40
-40
H1F
H3F
H5R
31F
33F
35R
4
7
3
9
15
4
11
19
4
12
20
4
12
20
23
23
74
33
H3F
H5R
H5F
31F
33F
35R
35F
31
31
32
32
14
14
15
15
MAG-DRIVE Gear Pumps
Models H1-H9, 31-39 & 311 - MC
Minimum
Maximum
Operating
Operating
Temperature
°C
°F
-40
500
-40
500
-40
500
-40
500
H5F
H7N
H7R
35F
37R
10
14
22
21
28
45
26
36
57
28
38
61
28
38
61
74
134
189
75
66
120
240
200
H7N H7R
H7F
37R
37F
36
36
36
16
16
16
5
Maximum
Operating
(1)
Pressure
°C
PSIG
bar (g)
260
300
20.7
260
225
15.5
260
300
20.7
260
225
15.5
H7F
H9R
H9F
37F
39R
39F
311F
27
38
54
56
79
113
71
99
142
76
107
153
76
107
153
189
189
189
H9R
H9F
Unit
39R
39F
311F
38
40
40
lbs
17
18
18
kg
(3)
54
113
142
153
153
189

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