GF

It is an equivalent seal for Grundfoss, Lubi etc. pumps.
 
Seal Characteristics
Single acting
Internal Mounted
Dependent of Direction of Rotation
Unbalanced
 
Operating Limits
Shaft Diameter    : 12,16 and 22mm
Temperature    : -30° to 180° C
 
Materials
Rotary Face : Carbon/SiC
Stationary Seat : SiC
Elastomer : NBR/EPDM/Viton/Silicon