Which valve for bypass

John Mills_5

a new boiler for a house with small radiators, not the monsters left over from gravity. I assume I should run a bypass between supply and return to keep the return a bit warmer? What type of valve is used for such a purpose? Thanks.

Unknown

John

Th preferred valves would be globe valves but if they are not obtainable full-port ball valves work as well. Hope this helps.

Glenn Stanton

Manager of Training

Burnham Hydronics

www.burnham.com

J.C.A._3

I'll go with Glenn ......

To a point. I like globe valves also but when using ball valves to curtail flow, noise is almost always a problem.(they're loud with lots of flow)

If your going to be using the existing large piping, they will be a bit quieter but if you are downsizing the pipe to match the radiators, I'd go with globe valves. My own system is having some noise from the ball valve installed for a bypass. (I didn't do it, I'm just buying the place and get what I'm dealt!)Chris

John Mills_5

Thanks guys

Existing piping is 1" iron pipe so small for a boiler! Place isn't that big, only 4 radiators in it.

Joe Mattiello

Taco 560series is a 3 way globe type valve

For your reference I have attached the catalog data.
Taco, Inc.
Joe Mattiello
Technical Service Technician
joemat@taco-hvac.com
401-942-8000 X 484
www.taco-hvac.com