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Flow Meter Recommendations-

ced48ced48 Posts: 330Member ✭✭
Any recommendations for a good, inexpensive flow meter?
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Comments

  • Paul PolletsPaul Pollets Posts: 2,832Member ✭✭✭
    Flowmeter

    What size? What fluid and what's the temperature of the fluid? What is the application?
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  • RJRJ Posts: 421Member ✭✭
    flow

    If you have inline guages, petes plugs or circut setters you can use a pump curve, Bell and Gosset makes system flow documents ( circut setter wheel )
    RJ
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  • ced48ced48 Posts: 330Member ✭✭
    One Inch-

    180 degree temp, flow range 1 to10 gpm, - I want to be able to fine tune the flow thru a modcon boiler and simple system loop. I need to have a minimum flow of 3 gpm, and a maximum of 4 gpm- no room for guessing. I am not using primary/secondary piping.
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  • Paul PolletsPaul Pollets Posts: 2,832Member ✭✭✭
    Hedlund

    Hedland makes good flowmeters. http://www.hedland.com/



    A circuit setter will be needed to adjust the flow.
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  • ced48ced48 Posts: 330Member ✭✭
    How About a Caleffi 132 Series?

    Sounds like this gut might do both?
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  • SWEISWEI Posts: 4,941Member ✭✭✭✭
    minimum and maximum flow

    Can't you set this using ∆T with the boiler on high fire?
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  • ced48ced48 Posts: 330Member ✭✭
    I Don't See How

    I can, unless I am using a variable speed circulator.
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  • knotgrumpyknotgrumpy Posts: 207Member
    Use a circuit setter to...

    Do what SWEI is saying.  You are going to have to have some sort of balancing or flow adjusting valve anyway.  Adjust it until you get the desired delta T.



    Caleffi makes the FlowCal device that come in desired flow rates.  They probably have a model for 3.5 GPM.  It will do the work for you and keep the flow capped at the designed for rate.
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  • knotgrumpyknotgrumpy Posts: 207Member
    edited March 2013
    Here is one

    FlowCal Compact Automatic Flow Balancing Valve 1" NPT Male Connections, Low-Lead Brass



    "The Caleffi FlowCal Compact Automatic Flow Balancing Valve has a Flow Capacity of 3.5 GPM."



    http://ecomfort.com/flowcal-compact-automatic-flow-balancing-valve-1-npt-male-connections-low-lead-brass-67296.html



    They make them in different fitting sizes and types. (Sweat, threaded...)
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  • ced48ced48 Posts: 330Member ✭✭
    Caleffi 132 or 127-

    Is one more suited for my purposes than the other? I like the fact that the 132 has a gauge.

    Do they work the same?
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  • knotgrumpyknotgrumpy Posts: 207Member
    I think

    I'd like the 132 better myself as well.
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This discussion has been closed.

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