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Mechanical shaft seal
* Maximum 60 °C
1.3 Handling
Pumps fitted with motors should be lifted by means of nylon straps and shackles, if required. See fig. 3.
Shaft seal diameter [mm] 28, 38 48 55 60
Code Temperature range Max. 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
Bellows seal, type B, with reduced seal faces, silicon carbide/
silicon carbide, EPDM
GQQE –25 °C to +90 °C 16 16* 16* 16*
Bellows 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/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, resin-impregnated carbon/silicon carbide,
EPDM
BBQE 0 °C to +120 °C 16 16 16 16
Warning
Pump motors as from 4 kW are supplied with lifting eyes which must not be used for lifting the
entire pump unit. See fig. 4.
TM03 3973 1306
TM03 3972 1306
Fig. 3 Correct lifting of pump Fig. 4 Incorrect lifting of pump
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