Description
Maximum working pressure 300 psi (20.7 bar) depending on size and schedule of pipe ASME B1.20.1 NPT threads Equivalent length in feet of schedule 40 outlet pipe with a Hazen-Williams coefficient of 120 per UL 213 1"outlets not listed by UL for direct connection to 1"sprinkler heads Gasket Grade E - EPDM (green stripe) -30˚F (-34˚C) to +230˚F (+110˚C) Ductile iron housings conform to ASTM A-536