10
Mechanical shaft seal
* –25°C to 60°C
Shaft seal diameter [mm]
28, 38
48
55
60
Code
Temperature
range
Maximum pressure [bar]
Rubber bellows seal, metal-impregnated carbon/silicon carbide,
EPDM
BAQE
0°C to +120°C
16
16
16
16
Rubber bellows seal, metal-impregnated carbon/silicon carbide,
FKM
BAQV
0°C to +90°C
16
16
16
16
Rubber bellows seal, silicon carbide/silicon carbide, EPDM
BQQE
0°C to +90°C
16
16
16
16
Rubber bellows seal, silicon carbide/silicon carbide, FKM
BQQV
0°C to +90°C
16
16
16
16
Bellow seal, type B, with reduced seal faces, silicon carbide/
silicon carbide, EPDM
GQQE
–25°C to +90°C
16
16*
16*
16*
Bellow seal, type B, with reduced seal faces, silicon carbide/
silicon carbide, FKM
GQQV
–20°C to +90°C
16
16*
16*
16*
O-ring seal with fixed seal driver, silicon carbide/silicon carbide,
EPDM
AQQE
0°C to +90°C
25
25
16
16
O-ring seal with fixed seal driver, silicon carbide/silicon carbide,
FKM
AQQV
0°C to +90°C
25
25
16
16
O-ring seal with fixed seal driver, silicon carbide/metal-impregnated
carbon, EPDM
AQAE
0°C to +120°C
25
25
25
25
O-ring seal with fixed seal driver, silicon carbide/metal-impregnated
carbon, FKM
AQAV
0°C to +90°C
25
25
25
25
Rubber bellows seal, silicon carbide/synthetic resin-impregnated
carbon, EPDM
BQBE
0°C to +140°C
16
-
-
-
O-ring seal, balanced, metal-impregnated carbon/silicon carbide,
FXM
DAQF
0°C to +140°C
25
25
25
25
Rubber bellows seal, synthetic resin-impregnated carbon/silicon
carbide, EPDM
BBQE
0°C to +120°C
16
16
16
16
Summary of Contents for NB Series
Page 1: ...NB NBG GRUNDFOS INSTRUCTIONS Installation and operating instructions ...
Page 6: ...6 ...
Page 48: ...484 ...
Page 49: ...485 ...
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