Table of Contents
Advertisement
3.5
Main characteristics
The pump size is designated by the displacement volume of 100 revolutions expressed
in litres (or dm
millimetres.
TG BLOC pump size
15-50
23-65
58-80
86-100
Legend
d
:
B
:
D
:
Vs-100 :
n.max :
n.mot
:
Q.th
:
v.u
:
v.i
:
∆p
:
p.test
:
Shaft sealing type
Single mechanical seal
GS with Burgmann MG12
GS with Burgmann M7N
GS with Roplan RTI 239
*) Remark:
Figures are for Newtonian liquids at operating temperature. The maximum allowable
viscosity between the sliding faces of the mechanical seal depends on nature of liquid
(Newtonian, plastic etc.), the sliding speed of the seal faces and the mechanical seal
construction.
16
) but rounded followed by the nominal port diameter expressed in
3
d
B
D
Vs-100
(mm)
(mm)
(mm)
(dm
50
40
100
14.5
65
47
115
22.7
80
60
160
57.6
100
75
175
85.8
port diameter (inlet and outlet port)
width of idler gear and length of rotor teeth
peripheral diameter of rotor (outside diameter)
displaced volume pro 100 revolutions
maximum allowable shaft speed in rpm
normal speed of direct drive electric motor (at 50Hz frequency)
theoretical capacity without slip at differential pressure = 0 bar
peripheral velocity of rotor
velocity of liquid in the ports at Qth (inlet and outlet port)
maximum working pressure = differential pressure
hydrostatic test pressure
Maximum viscosity
(mPa · s) *)
GS
3 000
5 000
7 500
n.max
n.mot
Q.th
Q.th
3
)
(min
-1
)
(min
-1
)
(l/s)
(m
3
/h)
1500
3.6
13.1
1450
3.5
12.6
1500
5.7
20.4
1450
5.5
19.7
1050
10.1
36.3
960
9.2
33.2
960
960
13.7
49.4
A.0500.751 – IM-TGBLOC/01.00 EN (10/2020)
∆p
v.u
v.i
p.test
(m/s)
(m/s)
(bar)
(bar)
7.9
1.8
16
24
7.6
1.8
9.0
1.7
16
24
8.7
1.7
8.8
2.0
16
24
8.0
1.8
8.8
1.7
10
15
Advertisement
Table of Contents
