ASME B16.3-2011 pdf – Malleable lronThreaded Fittings Classes 150 and 300

ASME B16.3-2011 pdf – Malleable lronThreaded Fittings Classes 150 and 300. (d) Class 300 street elbows are not recommended Iw pressures above NM) psi. 4 SIZE 4.1 Nominal Pipe Size As applied in this Standard, the use ot the phrase...