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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.