4
Instruction Manual
SECTION 1 - DESCRIPTION
1.4 PRODUCT CODE
MILROYAL
®
G pumps are available in a variety of different configurations. The complete product code
is composed of the pump “model number” + “product code”. For a breakdown of the options included
in a specific pump, compare the pump model number and product code found on the pump nameplate
with the model/product code breakdown shown in
Figure 1
. A sample nameplate is shown in
Figure 2
.
MODEL NUMBER
MGH
4
5
6
Digit 4 & 5: Plunger Size
Digit 6: Liquid End Material
Description
Code
Description
Code
1-1/4”(32mm)
20
316 SS
1
1-3/4”(45mm)
28
Plastic (PVC)
2
2-1/2”(63mm)
40
Alloy 20
5
3”(75mm)
48
PVDF
7
PRODUCT CODE
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Digit 7 & 8: Stroking Speed
Digits 9 & 10: Motor
Description
Code
Description
Code
173 spm
10
No motor, Flange Mount, NEMA 56C
CB
120 spm
14
No motor, Flange Mount, NEMA 145TC
CC
86 spm
20
No motor, Flange Mount, NEMA 182TC
CD
43 spm
30
No motor, Flange Mount, IEC80, F165 Flange
MD
*Note: SPM’s for 60 Hz, 1725 rpm motor
Digits 11 & 12: Capacity Adjustment Connection
Digit 13 & 14: Check Valve
Description
Code
Description
Code
Manual, Plastic micrometer knob Electronic(4-20 ma input)
M2
Pipe- NPT
SE
NEMA 4, 115V
E1
Pipe- BSP
SN
NEMA 4, 230V
E2
Pipe- DN (Socket Weld)
SQ
Explosion Proof, 115V
EA
Explosion Proof, 230V
EB
Electronic 4-20 ma input, 24 VDC
EG
Digit 15 & 16: Base Diaphragm
Digits 17 & 18: Rupture Detection/Double
Description
Code
Description
Code
No Base (Standard)
NN
No Rupture Detection, Single Diaphragm (Standard)
NN
No Base (Optional)
11
No Rupture Detection, Double Diaphragm (Optional)
DD
Rupture Detection (Gauge), Double Diaphragm (Optional)
C5
Rupture Detection (Gauge + NEMA 4 Pressure Switch),
DD (Opt.)
SN
Rupture Detection (Gauge + Exp Pr Switch), DD (Optional)
SE
Digit 19 & 20: Check Valve Type
Description
Code
Note: Degassing options are available. Consult
MRC factory or representative for details
Single Ball
11
Double Ball
22
Figure 1. Model/Product Code
