1) Groove fittings and elbows 2) Ductile iron 3) FM/UL/ISO approved 4) Coulor:Ral 3000 painted or epoxy Nominal size1''-12''nominal pressure500 psi, 360psisurface treatmentepoxy powder, galvanized, painted, or dacormetpayment terms L/C, TTPort of lading Tianjin Portleading time normally 15 days, depending on order quantity.MOQ 100 piecesproduction capacity 50000 pieces per month Groove elbow