Table1：Series Code

G
Standard Pitch
GL
 Large Pitch

 
 Table 2： Construction Code

---
Standard, Horizontal Erection
Z
 Direct Connection
U
 Vertical Erection

 
 
Table 3： Seal Form

S1
Standard Packing Seal
For high viscosity liquids
S2
Packing Seal + Flushing Ring
Where high suction lift is required
S3
Standard Mechanical Seal
For common application

 
Table 4： Material Code

Code
Stator Material
Rotor Material
Wet Parts Material
M1
NBR
45# + Chromium-plating
45 / HT200
M2
 NBR
38CrMoAl+Nitridation
45 / HT200
M3
 NBR
1Cr18Ni9Ti
1Cr18Ni9Ti / ZG1Cr18Ni9Ti
M4
 EPR
45# + Chromium-plating
45 / HT200
M5
 EPR
 38CrMoAl+Nitridation
45 / HT200
M6
 EPR
1Cr18Ni9Ti
1Cr18Ni9Ti / ZG1Cr18Ni9Ti
M7
 FPM
45# + Chromium-plating
45 / HT200
M8
 FPM
38CrMoAl+Nitridation
45 / HT200
M9
 FPM
1Cr18Ni9Ti
1Cr18Ni9Ti HT200
Other materials combination can be provided according to the different liquids.