Current through Register Vol. 46, No. 53, December 31, 2024
Section 14-10.22 - Feed-piping(a) The feed pipe of a steam boiler shall be provided with a stop valve or cock near the boiler and a check valve between the stop valve and source of supply and when two or more boilers are fed from a common source, there shall also be a valve on the branch to each boiler, between the check valve and source of supply. When a globe valve is used on a feed pipe, the inlet shall be under the disk of the valve.(b) The feedwater shall be introduced into a boiler in such a manner that the water will not be discharged directly against surfaces exposed to gases of high temperature, or to direct radiation from the fire, or close to riveted joints of shell or furnace sheets. Feedwater, other than condensate, shall not be introduced through the blowoff.(c) A boiler having more than 500 square feet of water-heating surface shall be fed in accordance with section 14-9.34 of this Part.(d) All boilers shall have a waterfeed system which will permit the boilers being fed while they are under pressure.(e) In all cases where the returns are fed back to a boiler by gravity, there shall be a check valve and stop valve on the return line, the stop valve shall be placed between the boiler and the check valve and both shall be as close to the boiler as practicable.N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 14-10.22