1. Identification Code
eg: GRS-Bz25/6-1 ( Bz: bronze pump body)
GRS: Screwed-end pump
25/: Connection size
6: Rated shut-off head [m]
2. Technical Data
Suitable fluids
Heating water to VD12035
Water / glycol mixtures: max.mixing ratio 1:1
Hydraulic corrections required for mixing ratio above 20%
Performance
Single-speed Automatic switch
Fluid temperature range: -10oC ~ +110oC
Max. working pressure: 10bar
Ambient Temperature
Permissible up to:
40oC
Power
Mains power: 1 ~ 230v, 50Hz
Motor
Degree of protection: lp54
Insulation class: F
Construction Materials
Pump body: Cast iron, bronze or s/s
Impeller: GF - PP
Shaft: Ceramic
Bearings: Ceramic
3. Motor Data
| Pump Model |
Power |
Max. Flow
L/Min |
Max. Head
M |
Inlet/Outlet
(MM)(IN) |
GW
Kg |
| W |
HP |
| GRS-Bz25/6-1(High) |
90 |
0.12 |
40 |
6 |
38x38 (1.5'') |
3.2 |
| GRS-Bz25/6-1(Middle) |
60 |
0.08 |
30 |
5 |
38x38 (1.5'') |
3.2 |
| GRS-Bz25/6-1(Low) |
40 |
0.05 |
20 |
3 |
38x38 (1.5'') |
3.2 |
Non-overloading motor - No external overlaod control required
Aways refer to name plate data!
4. Accessories
Union connector fittings, thermal insulation
5. Mounting Positions
Pump shaft in the horizontal plane, terminal box
Optionally 3.6.9. or
12 o'clock
6. Pump Equipment
Screwed end single head pump
Manual 3-speed control
Non-overloading single phase motor |
| Pump body |
-180mm port-to-port |
| |
-130mm port-to-port |
| GRS |
Rp |
G |
A |
B |
C |
D |
E |
F |
Weight
ca.kg |
| mm |
| GRS-Bz25/6-1 |
1.5'' |
1.5''M |
130 |
90 |
125 |
120 |
100 |
80 |
3.2 |
| GRS-Bz25/6-1 |
1.5'' |
1.5''M |
180 |
90 |
125 |
120 |
100 |
80 |
3.2 |
|
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