PUMP SIZING

PUMP SIZING

PostBy: OSIRIS On: Tue Jan 17, 2012 11:43 am

Does anyone know what the pipe size coefficient is for steel pipe? My system is plumbed using black pipe in 1.25", 1.5", and 2". The only information I can find is for copper and PEX. I need the coefficient in order to size my circulator pump correctly.

Thanks
OSIRIS
 
Stove/Furnace Make: AHS
Stove/Furnace Model: 130

Re: PUMP SIZING

PostBy: WNY On: Tue Jan 17, 2012 5:53 pm

if you do a search on here, there is a gentlemen Yanche that helps most of us out. Don;t know if this will help.

Yanche's Toolbox, Piping & Circulator Selection Method
WNY
 
Hot Air Coal Stoker Stove: Keystoker 90K, Leisure Line Hyfire I
Coal Size/Type: Rice
Stove/Furnace Make: Keystoker, LL & CoalTrol
Stove/Furnace Model: 90K, Hyfire I, VF3000 Soon

Re: PUMP SIZING

PostBy: BigBarney On: Tue Jan 17, 2012 7:24 pm

This page has the info you need.

http://www.engineeringtoolbox.com/pipes ... -t_18.html





BigBarney

This is probably the charts you need.

http://www.engineeringtoolbox.com/steel ... _1145.html
BigBarney
 


Re: PUMP SIZING

PostBy: Yanche On: Wed Jan 18, 2012 1:51 pm

BigBarney wrote:This page has the info you need.

http://www.engineeringtoolbox.com/pipes ... -t_18.html

BigBarney

This is probably the charts you need.

http://www.engineeringtoolbox.com/steel ... _1145.html

I would suggest using the the design method I outlined. Just use the closest ID copper pipe coefficients to the iron pipe sizes. The D'Arcy-Weisbach formula is more difficult to use and the published iron pipe coefficients are for cold water only. Extending the coefficients to boiler water temperatures is possible but again it's complicated. The D'Arcy-Weisbach method is used for all kinds of fluids, water to poop, filled to partially filled pipe, etc. Much more complicated than needed for hydronic heating piping.
Yanche
 
Stoker Coal Boiler: Alternate Heating Systems S-130
Coal Size/Type: Anthracite Pea

Re: PUMP SIZING

PostBy: LsFarm On: Thu Jan 19, 2012 11:47 pm

Just a 'heads-up' when Yanche says it's complicated it's COMPLICATED !!! :lol:

Greg L
LsFarm
 
Stoker Coal Boiler: Axeman Anderson 260
Hand Fed Coal Boiler: Self-built 'Big Bertha' SS Boiler
Baseburners & Antiques: Keystone 11, Art Garland

Re: PUMP SIZING

PostBy: steamup On: Tue Jan 24, 2012 6:16 pm

I'll let one of my "secrets" out of the bag.

There is a free software download for windows PC from Bell and Gosset call "System Sizer"

It is a software version of the old plastic wheel calculator I have been using for the past 30 years.

It is good for steel and copper pipe.

It also has a good design manual with it.

http://completewatersystems.com/brand/b ... tem-syzer/

A little knowledge can be a dangerous thing, so read carefully.
steamup
 
Stoker Coal Boiler: Axeman-Anderson AA-130, Keystoker K-6
Hand Fed Coal Boiler: HS Tarm 502 Wood/Coal/Oil
Coal Size/Type: pea, buck, rice