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Description:Specifications: 1) Size: DN50 (2") ~ DN600 (24") 2) Pressure: PN16, 150LB 3) Material: a) Body: ductile iron b) Disc: ductile iron + rubber c) Stem: stainless steel, brass d) Cover: ductile iron 4) Standards: a) Valve design to: ANS1/AWWA C509-94 b) Valve test to: GB/T13927-1992, API598 c) Face to face: ANSI B16.10 d) Flange drilled is according to: GB/T17241, ANSI16.42, and EN1092-2 Features: 1) This valve is made of high-quality ductile iron, resulting in a reduction of weight by about 20%~30% of that of the traditional ones, easy installation and maintenance 2) The valve body is coated with powder non-toxic epoxy resin inside and outside to prevent it from corrosion 3) The design of three O-type sealing rings used between both valve rod and valve cover can reduce the frictional resistance at open or close water leakage a great deal, and the sealing ring can be replaced without stopping the medium flow inside of the pipeline 4) The elastic-seat enclosed gate valve uses the same design of flat-bottom as that of the pipeline so as not to be easy to get sundry matters piled up thus making the fluid smoothly flowing without any resistance Inner packing: Plastic package Outer packing: Wooden cases