Grundfos LS User Manual

Pos. Code Explanation
9 S
Code for pump casing and impeller materials
B: Cast iron and bronze
S: Cast iron and SS304
C: Cast iron and SS316
D: Cast iron and duplex stainless steel
U: SS304 and SS304
K: Duplex stainless steel and duplex stainless
steel
X: Special
A: Ductile iron and bronze
Q: Ductile iron and SS304
G: Ductile iron and SS316
H: Ductile iron and duplex stainless steel
J: SS316 and SS316
E: Cast steel and SS304
F: Cast steel and SS316
10 BAQE
Code for shaft seals or stuffing box
BAQE : Rubber bellows unbalance seal, carbon
2)
, SiC, EPDM
AAQE : O-ring unbalance seal, carbon
2)
, SiC, EPDM
DAQE : O-ring balance seal, carbon
2)
, SiC, EPDM
SAQE : Rubber bellows balance seal, carbon
2)
, SiC, EPDM
BBQE : Rubber bellows unbalance seal, carbon, SiC, EPDM
ABQE : O-ring unbalance seal, carbon, SiC, EPDM
DBQE : O-ring balance seal, carbon, SiC, EPDM
SBQE : Rubber bellows balance seal, carbon, SiC, EPDM
BQQE : Rubber bellows unbalance seal, SiC, SiC, EPDM
AQQE : O-ring unbalance seal, SiC, SiC, EPDM
DQQE : O-ring balance seal, SiC, SiC, EPDM
SQQE : Rubber bellows balance seal, SiC, SiC, EPDM
BBVP: Rubber bellows seal, carbon, aluminium oxide, nitrile rubber
SNEK: Stuffing box with synthetic polymer packing rings, uncooled, with internal barrier fluid
BAQV: Rubber bellows unbalance seal, carbon
2)
, SiC, FKM
AAQV: O-ring unbalance seal, carbon
2)
, SiC, FKM
DAQV: O-ring balance seal, carbon
2)
, SiC, FKM
SAQV: Rubber bellows balance seal, carbon
2)
, SiC, FKM
BBQV: Rubber bellows unbalance seal, carbon, SiC, FKM
ABQV: O-ring unbalance seal, carbon, SiC, FKM
DBQV: O-ring balance seal, carbon, SiC, FKM
SBQV: Rubber bellows balance seal, carbon, SiC, FKM
BQQV: Rubber bellows unbalance seal, SiC, SiC, FKM
AQQV: O-ring unbalance seal, SiC, SiC, FKM
DQQV: O-ring balance seal, SiC, SiC, FKM
SQQV: Rubber bellows balance seal, SiC, SiC, FKM
11
1
Direction of rotation
(Pump direction of rotation as seen from motor end)
1 Clockwise
2 Counterclockwise
2)
Antimony, not approved for potable water.
The example shown is an LS 125-100-305F/273.1, standard type with standard coupling, DIN PN 16 flange, cast
iron pump casing with SS304 impeller, BBQE mechanical shaft seal and clockwise direction of rotation.
33
English (GB)

Grundfos LS Specifications

General

Type	Submersible Pump
Protection class	IP68
Frequency	50 Hz
Application	Drainage
Liquid Temperature	0 °C to 40 °C
Seal Type	Mechanical seal