Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations JAE on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. vecnaj1978

    Zinc free Bronze Impeller for chilled water pumping

    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...
  2. vecnaj1978

    Zinc free Bronze Impeller for chilled water pumping

    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
  3. vecnaj1978

    Zinc free Bronze Impeller for chilled water pumping

    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...
  4. vecnaj1978

    Questions on installations

    Thank you all for the assistance
  5. vecnaj1978

    Questions on installations

    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...
  6. vecnaj1978

    Progressive Cavity Pumps

    Dear All Thanks you very very much for your support and guidance The above provided information was very very helpful regards
  7. vecnaj1978

    Progressive Cavity Pumps

    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...
  8. vecnaj1978

    Questions on NFPA Fire pumps

    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...
  9. vecnaj1978

    Pump Working pressure

    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
  10. vecnaj1978

    Pump Working pressure

    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...
  11. vecnaj1978

    Chilled water Pumps

    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
  12. vecnaj1978

    Derating of Pump Motors at Higher Altitude

    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...
  13. vecnaj1978

    Derating of Pump Motors at Higher Altitude

    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...
  14. vecnaj1978

    Centrifugal pump shaft details drawing

    YOU CAN GET THIS FROM ANY PUMP MANUFACTURER,YOU CAN GET IN CONTACT WITH THEIR DEALERS THEY WILL HELP YOU

Part and Inventory Search

Back
Top