Code Type Explanation
A 1450-2200
B 2900-4000
C 4000-5900
4.2.1 Codes for shaft seal
Example: BQQE
Code Type Explanation
B
Grundfos type designation
A O-ring seal with fixed seal driver
B Rubber bellows seal
D O-ring seal, balanced
G Bellows seal with reduced seal faces
R O-ring seal with reduced seal faces
Q
Material of rotating face
A Carbon, antimony-impregnated
B Carbon, resin-impregnated
Q Silicon carbide
Q
Material of stationary seat
B Carbon, resin-impregnated
Q Silicon carbide
U Tungsten carbide
E
Material of secondary seal
E EPDM
P NBR rubber
V FKM
F FXM
9
English (GB)
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