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Pumpsystem Water & Sanitation project Arnakot, Nepal
Transcript of Pumpsystem Water & Sanitation project Arnakot, Nepal
on/off based on time 2x double 2CRN3-36 2" ZGD SPEC
WITH SPECIAL CONTROLLER, IN 2x3,0 KW, 3 x 380V, 50HZ, STAR DELTA
CRN3-36 A-FGJ-G-E-HQQE 3x400D 50HZ
PN 25 PUMP SET, SO USE PN25 PARTS
STAINLESS STEEL PRESSURE GAUGE 0-25 BAR AT DISCHARGE SIDE
NO EXPANSION TANKS
NO PRESSURE TRANSMITTERS
NON-RETURN VALVES IN SUCTION SIDES controller pumpset Pumpset 1 and 2 Maintenance / Spareparts (which will be included):
Repair parts pumpset 1&2
2x Stainless steel non-return valve Gestra RK86A
4x Stainless steel ball valve 1 1/4"
1x Stainless steel ball valve 3/4"
1x Stainless steel pressure gauge 0-25 bar donated by GRUNDFOS Arnakot Deurali
Rural Water Supply and Sanitation Project
Presentation: pumping system Watersource at 7km from village
Demand of water:
39m3 per day
1,6m3/h for 24 hours
368m head over 2 stages Safety:
Float switch on both tanks.
When there is no water in the tank then
the pumps will not start.
Every stage has a double pump in case
one is damaged.
Time switch on/off
It is extremely important that the
pumps will not run at the same time. At
least 10 minutes required between
stop/start of pumps. Discussion November 2011
- location watersource
* nearby hydrostation possible?
- wiring between hydro and pump
* 4x pump each 55kg
* 0,11m3 per pump Head:
180m head per pump
3kW per pump This presentation is available on internet
search "arnakot" Float switch each pump 55kg, approx 200kg per pumpset power facility update 2012 ON OFF 05.00-10.50
23.00-04.50 OFF ON Pumps should never run at the same time! update nov. 2012