• 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