1.Identification Code
Eg:GRS15   GRS25    GRS32
TRS Screwed-end pump
15/ Connection size
6 Rated shut-off head[m]
2.Fields of Application
Being particularly suitable for domestic application such as
Central heating installations
Industrial circulating systems
Air conditioning and chilled water
Circulation systems etc.
3.Technical Data
Suitable fluids
Heating water to VDI2035
Water/glycol mixtures max.Mixing ratio1:1
Hydraulic corrections required for mixing ratio above20%
Performance
Single-speed Automatic switch
Fluid temperature range -10C ~ +110C
Max.Working pressure 10bar
Ambient Temperature
Permissible up to 40C
Power
Mains power 1~230v, 50Hz
Motor
Degree of protection IP54
Insulation class F
Construction Materials
Pump body cast iron
Impeller GF-PP
Shaft stainless steel
Bearings graphite
4.Accessories
Union connector fittings, thermal insulation
5.Mounting Positions
Pump shaft in the horizontal plane, terminal box
Optionally3.6.9.Or 12o'clock
6.Pump Equipment
Screwed end single head pump
Manual 3-speed control
Non-overloading single phase motor
Bronze body, 180mm port-to-port
Cast iron body, 180mm port-to-port