4.2 Type key
Code Example
Pump range, electronically speed-controlled pump
TPE2 Without built-in sensor
TPE3 Built-in differential-pressure and temperature sensor
Twin-head pump
Nominal diameter of inlet and outlet ports [mm]
Maximum head [decimeters (dm)]
S
Built-in differential-pressure and temperature sensor
N
Without built-in sensor
Code for pump version:
A
Basic version
X
Special version
Code for pipe connection:
G
ANSI flange
Code for materials:
A
Basic version
I
Stainless steel CF8 (1.4308) pump housing and motor stool
Code for shaft seal including other plastic and rubber pump parts, except the neck ring
Code for NEMA motors [hp (kW)]:
C
0.33 (0.25)
D
0.5 (0.37)
E
0.75 (0.55)
F
1 (0.75)
G
1.5 (1.1)
H
2 (1.5)
I
3 (2.2)
Code for phase & voltage and other information:
A
1 x 200-240 V
B
3 x 200-240 V
C
3 x 440-480 V
D
3 x 380-500 V
Y
Out of DOE scope (department of energy)
Code for speed variant [rpm]:
A
1450-2200
B
2900-4000
C
4000-5900
4.2.1 Codes for shaft seal
Code Example
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
Material of rotating face
A
Carbon, antimony-impregnated
B
Carbon, resin-impregnated
Q
Silicon carbide
Material of stationary seat
B
Carbon, resin-impregnated
Q
Silicon carbide
U
Tungsten carbide
Material of secondary seal
E
EPDM
P
NBR rubber
V
FKM
F
FXM
8
TPE3
D
65
-150
S
-A
-G
-A
-BQQE
-G
B
Q
B
C
B
E