Malleable cast iron valve material selection

For the nominal pressure PN ≤ 2.5MPa, the working temperature of -30 ~ 300 ℃ of water, steam, air and oil media such as malleable iron valve, the selection of the main parts of the material, see Table 1: "Table 1" malleable iron valve Material Selection Table Part Name Material Name Grades Standard No. Valve body, bonnet, opening and closing pieces Malleable iron KTH300-06, KTH330-08, KTH350-10 GB / T 9440-1998 Stem and shaft Chromium stainless steel 1Cr13, 2Cr13, 3Cr13 GB / T 1220-1992 Aluminum bronze QA19-2, QA19-4 GB / T 4423-1992 Manganese brass HMn58-2 GB / T 4423-1992 Bush cast manganese brass ZCuZn38Mn2Pb2 GB / T 1176-1987 Cast aluminum bronze ZCuA19Mn2, ZCuA19Fe4Ni4Mn2 Rocker carbon steel casting WCA, WCB, WCC GB / T Quality carbon steel 20,25,35 GB / T 699-1999 Cylinder chrome stainless steel 1Cr13, 2Cr13 GB / T 1220-1992 Piston cast aluminum brass ZCuZn25A16Fe3Mn3 GB / T 1176-1987 Chromium stainless steel 2Cr13, 3Cr13 GB / T 1220-1992 Membrane tin brass QSn6.5-0.1 GB / T Beryllium bronze QBe2 GB / T Austenitic stainless steel 1Cr18Ni9, 1Cr18Ni9Ti GB / T 4237-1992 spring spring steel 50CrVA GB / T 1222-1992 60Si2Mn, 60Si2MnA float austenitic stainless steel 1Cr18Ni9, 1Cr18Ni9Ti GB / T 4237 0Cr18Ni9Ti, 1Cr17Ni13Mo2Ti Filter 1Cr18Ni9,1Cr18Ni9Ti seat, the sealing surface of the opening and closing parts Cast aluminum brass ZCuZn25A16Fe3Mn3 GB / T 1176-1987 Casting manganese brass ZCuZn38Mn2Pb2 Cast aluminum bronze ZCuA19Mn2, ZCuA19Fe4Ni4Mn2 Stainless steel 1Cr13, 2Cr13 , 1Cr18Ni9,1Cr18Ni9Ti GB / T 1220-1992 Polytetrafluoroethylene SFB-1, SFB-2, SFB-3 HG2-534 SFBN-1, SFBN-2, SFBN- Bronze ZQA19-2, ZQA19-4 GB / T 1176-1987 Cast manganese brass ZCuZn38Mn2Pb2 Cast aluminum brass ZCuZn25A16Fe3Mn3 Filler Teflon SFT-1, SFT-2, SFT-3, SFT-4 HG2-538 Corrosion-resistant asbestos - - Rubber - - Polytetrafluoroethylene asbestos rope - - Flexible graphite - - Hand wheel malleable iron KTH330-08, KTH350-10 GB / T 9440-1988 Ductile iron QT400-15, QT450-10 Keyword Search: More Valves Technical Articles Valves Products Selling Leads Selling Leads Buying Leads Suppliers Trade Shows News & Trends Exhibitions Valves, Valves, Shaft chromium stainless steel 1Cr13, 2Cr13, 3Cr13 GB / T 1220-1992 aluminum blue QA19-2, QA19-4 GB / T 4423-1992 Manganese brass HMn58-2 GB / T 4423-1992 Bush cast manganese brass ZCuZn38Mn2Pb2 GB / T 1176-1987 Cast aluminum bronze ZCuA19Mn2, ZCuA19Fe4Ni4Mn2 Rocker carbon steel WCC, WCB, WCC GB / T Quality carbon steel 20,25,35 GB / T 699-1999 Cylinder chromium stainless steel 1Cr13, 2Cr13 GB / T 1220-1992 Piston cast aluminum brass ZCuZn25A16Fe3Mn3 GB / T 1176-1987 Chromium stainless steel 2Cr13, 3Cr13 GB / T 1220-1992 Membrane tin brass QSn6.5-0.1 GB / T Beryllium bronze QBe2 GB / T Austenitic stainless steel 1Cr18Ni9,1Cr18Ni9Ti GB / T 4237-1992 Spring Spring steel 50CrVA GB / T 1222-1992 60Si2Mn, 60Si2MnA Float austenitic stainless steel 1Cr18Ni9,1Cr18Ni9Ti GB / T 4237 0Cr18Ni9Ti, 1Cr17Ni13Mo2Ti Filter 1Cr18Ni9,1Cr18Ni9Ti seat, opening and closing parts of the sealing surface Cast aluminum brass ZCuZn25A16Fe3Mn3 GB / T 1176 -1987 cast manganese brass ZCuZn38Mn2Pb2 cast aluminum bronze ZCuA19Mn2, ZCuA19Fe4Ni4Mn2 stainless steel 1Cr13,2Cr13,1Cr18Ni9,1Cr18Ni9Ti GB / T 1220-1992 PTFE SFB-1, SFB-2, SFB-3 HG2-534 SFBN-1, SFBN -2, SFBN-3 HG2-535 Rubber - - Stem nut Cast aluminum bronze ZQA19-2 , ZQA19-4 GB / T 1176-1987 cast manganese brass ZCuZn38Mn2Pb2 cast aluminum brass ZCuZn25A16Fe3Mn3 filler Teflon SFT-1, SFT-2, SFT-3, SFT- - PTFE impregnated asbestos rope - - Flexible graphite - - Hand wheel malleable cast iron KTH330-08, KTH350-10 GB / T 9440-1988 Ductile iron QT400-15, QT450-10 GB / T

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