GAS-FIRED STEAM BOILERS
2015-8-25 · Piping vertical risers from boiler to header, risers must be minimum of 24' high above water line.. 8. Steam riser(s) and header shall be 2' pipe size. 9. Equalizer line shall be minimum 1-1/2' pipe size. 10. Near boiler piping shall include 2' tee with female adapter and cap located on supply line as shown for skimming (i.e. surface blow-down ...
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