Pump Manufacturer

Grundfos
X
X
X
X
X
X
X-XXXX
Primary Rotary Face
D - Silicon Carbide (RB)
Primary Stationary Face
D - Silicon Carbide
Primary Elastomer
X - Nitrile
Secondary Rotary Face
A - Carbon
Secondary Stationary Face
B - Alumina Ceramic
Secondary Elastomer
X - Nitrile
Build Code
1
S

Reference Sizes Table

Metric Sizes Table
Size d1
0191 19.1
0220 22.0
0320 32.0
Imperial Sizes Table
Size d1
0191 0.750
0220 0.866
0320 1.260