Mechanical Tee and Cross for sale Certificate:UL Listed / FM Standard:Approved ANSI / UL 213 Housing:Ductile iron as ASTM A536, 65-45-12 Bolt & nut: Carbon steel Gasket:EPDM Temperature:鈮?107掳C W. pressure:300 psi (2.07 MPa) Surface:Red painting / hot dip galvanized Mechanical Tee and Cross for sale website:http://www.baolaisteelpipes.com/fire-fittings/mechanical-tee-and-cross/