§ 151.15-6 - Venting piping.

Latest version.

§ 151.15-6 Venting piping.

(a) The back pressure in the relief valve discharge lines shall be taken into account when determining the flow capacity of the relief valve to be used. The back pressure in the discharge line shall be limited to 10 percent of the valve operating pressure or a compensating-type valve shall be used. Suitable provision shall be made for draining condensate which may accumulate in the vent piping.

(b) [Reserved]

                    
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§ 151.15-6 - Venting piping.

§ 151.15-6 Venting piping.