Dear Sir
Thanks for you responses
I had a meeting this morning with the consultant regarding this matter and he informed that they will be using these pumps for drinking water transfer pumps.
he has no justification for the zinc free bronze but insisting in having them as he wants to follow...
Dear Sir
This is the problem, even he does not know I guess
he is just following the specs written by some one
please let me know if we can help him on this
regards
Dear All
I request your expert advice on the below
For one of the chilled water pumping requirement, we are proposing a pump with CI casing and bronze impeller.
The consultant on the project wants the impeller to be Zinc Free.
Our bronze impeller contains 5% zinc in it.
I kindly request you...
Hello there
i recently visited a site where fire pumps has been installed, at first look of the installation i was not convinced about it. i need your expert advice on the below points
1. the installation was for fire pump pumps, there was no pressure gauges on the suction header, is this...
hello every one
I am currently working on centrifugal pumps for fresh water pumps for a supplier. I have got an interview call from a progressive cavity pump manufacturer for an interview. can you please help me on the basic knowledge of these pumps
1. what are progressive cavity pumps?
2...
HI there
please help me on the following questions about NFPA fire pumps forbuilding services
Is there any specification that fire pump motor should be explosion proof and coupling should be spark proof?
Does the muffler need to be spark arrestor?
Is flowmeter istallation a mandatory...
Dear Artisi
i need to know what pressure the pump casing must withstand so that it won't fail?
also if possible
.what head the pump must be able to develop to maintain flow
regards
Naj
Hello
I wanted to know what exactly the term Working pressure of Pump Means
What is casing working presuure of pump
How to calucalate the Working pressure in a closed loop chilled water pump system
we have a installation wherby the pumps are installed in the ground floor and pumping up to 35...
hello
can someone please advice me on why do we select the chilled water pump in the closed loop at 1500 RPM
Why cant we select the pump at 2900 rpm??
Why consultants always suggest with 4 pole motor
is it ok if we use 2900 RPM and then run with VFD
Pleae advice me on this
regards
VEC
Thanks Bimr
The reply is bit confusing me
i was told that at higher altitude the motors does not get enough air for cooling and hence the Out put of motors is reduced, and to get the required power we need to derate the motor
if cooling is the only criteria at higher altitude then can i...
Hello Everbody
I need a suggestion on the installation of pumps at Higher altitude
I need to install a Chilled water pump at an altitude of 2200 Meters above sea Level, The motor i am using is an TEFC AC Induction motor. The motor Manufacturer recomends to derate the mtore if the...
