Gray cast iron valve for the nominal pressure PN ≤ 1.0MPa, the working temperature of 10 ~ 200 ℃ water, steam, air, kerosene and oil medium gray cast iron valve, the main parts of the material selection see Table 1: 1 "gray cast iron valve main parts material selection table parts name material name brand standard valve body, bonnet, opening and closing pieces, bracket Gray cast iron HT200, HT250 GB / T HT300, HT350 stem, 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 Cast aluminum bronze bearings ZCuA19Mn2, ZCuA19Fe4Mn2 GB / T 1176-1987 Casting manganese brass ZCuZn38Mn2Pb2 Rocker carbon steel casting WCA, WCB, WCC GB / T Quality carbon steel 20,25,35 GB / T 699-1999 spring spring steel 50CrVA GB / T 1222-1992 60Si2Mn, 60Si2MnA Float austenitic stainless steel 1Cr18Ni9, 1Cr18Ni9Ti GB / T 1220-1992 0Cr18Ni9Ti, 1Cr17Ni3Mo2Ti filter 1Cr18Ni9, 1Cr18Ni9Ti seat, opening and closure of the sealing surface of cast aluminum brass ZCuZn25A16Fe3Mn3 GB / T 1176-1987 cast aluminum bronze ZCuA19Mn2, ZCuA19Fe4Ni4Mn2 cast manganese Brass ZCuZn38Mn2Pb2 stainless steel Steel 1Cr13,2Cr13,3Cr13 GB / T 1220-1992 1Cr18Ni9,1Cr18Ni9Ti Tinned copper wire 221 - Polytetrafluoroethylene SFB-1, SFB-2, SFB-3 HG2-534 SFBN-1, SFBN-2, SFBN- 3 HG2-535 Rubber - - Stem nut Cast aluminum ZCrZn25A1Fe3Mn3 GB / T 1176-1987 Cast aluminum bronze ZCuA19Mn2, ZCuA19Fe4Ni4Mn2 Cast manganese brass ZCrZn38Mn2Pb2 Filler Teflon SFT-1, SFT-2, SFT-2, SFT -4 HG2-538 Corrosion Asbestos - - Rubber - - Dip Teflon Asbestos Rope - - Flexible Graphite - - Handwheel Malleable Cast Iron KTH330-08, HTH350-10 GB / T 9440-1988 Ductile Iron QT400-15, QT450- Note: Gray cast iron is generally used for nominal pressure PN ≤ 1.0MPa, but for DN ≤ 200mm stop valve, lifting check valve can also be used for nominal pressure PN = 1.6MPa. Part Name Material Name Grades Standard No. Body, bonnet, opening and closing parts, bracket Gray cast iron HT200, HT250 GB / T HT300, HT350 Stem, Shaft chrome 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 Bushings Cast aluminum bronze ZCuA19Mn2, ZCuA19Fe4Mn2 GB / T 1176-1987 Cast manganese brass ZCuZn38Mn2Pb2 Rocker carbon cast Steel WCA, WCB, WCC GB / T Quality carbon steel 20,25,35 Spring steel 50CrVA GB / T 1222-1992 60Si2Mn, 60Si2MnA Float austenitic stainless steel 1Cr18Ni9,1Cr18Ni9Ti GB / T 1220-1992 0Cr18Ni9Ti, 1Cr17Ni3Mo2Ti Filter 1Cr18Ni9, 1Cr18Ni9Ti Seals, sealing parts for opening and closing parts Cast aluminum ZCuZn25A16Fe3Mn3 GB / T 1176-1987 Cast aluminum bronze ZCuA19Mn2, ZCuA19Fe4Ni4Mn2 Cast manganese brass ZCuZn38Mn2Pb2 Stainless steel 1Cr13,2Cr13,3Cr13 GB / T 1220-1992 1Cr18Ni9,1Cr18Ni9Ti Tinned copper wire 221 - Polytetrafluoroethylene SFB-1, SFB-2, SFB-3 HG2-534 SFBN-1, SFBN- Stem nut Cast aluminum brass ZCrZn25A1Fe3Mn3 GB / T 1176-1987 Cast aluminum bronze Z CuA19Mn2, ZCuA19Fe4Ni4Mn2 Cast Manganese Brass ZCrZn38Mn2Pb2 Filler Teflon SFT-1, SFT-2, SFT-2, SFT-4 HG2-538 Corrosion Asbestos - - Rubber - - Polytetrafluoroethylene Asbestos Rope - - Flexible Graphite - - Hand wheel malleable cast iron KTH330-08, HTH350-10 GB / T 9440-1988 Ductile iron QT400-15, QT450-10 GB / T
HAE wall printer height can customize between 2M to 3M, standard machine width is 3M, customer could order extra lead rail or do photo joint, so the printing width is limitless, and printing resolution up to 1440dpi
We developed new direct to wall inkjet printer with it own PC, and operated on tablet, the mural printing machine any print any format photo in any size on canvas, wood, wall, wall paper, tile, glass etc. directly
Direct To Wall Inkjet Printer, Zeescape Wall Printer,Inkjet Printer On Wall, Vertical Wall Decor Printer,Wall Paper Printer, Wall Inkjet Printer, 3D Wall Printer, Wall Printer Machine, Vertical Wall Printer
Wuhan HAE Technology Co., Ltd. , https://www.whwallprinter.com