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      长荣阀门 >> 阀门\安全阀\

      A21H 弹簧微启式外螺纹安全阀

       

      弹簧微启式外螺纹安全阀(A21H)
      Description:
      系列 Series
      A21F-16C A21H-16C A21H-40 A21H-64 A21Y-100 A21H-160 A21W-16P A21W-40P A21F-40P A21W-64P A21W-100P A21W-160P KA21Y-16C KA21Y-16P A21Y-16R A21Y-40R A21Y-64R A21Y-100R A21Y-160R
      A21F、A21H-C型适用于工作温度≤200℃的空气、氨、石油气……等介质的设备或管路上。A21W-P、R型适用于温度≤200℃有腐蚀性的气体或液体的设备或管路上,作为超压保护装置。KA21Y型适用于温度≤100℃的液化石油气等。
      A21F, A21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc. medium what the wor-king temperature are less than 200 . A21W-P, R type are used for the equipment and pipeline of the quality with corr ode gas and liquid medium shat the wor-king temperature are less than 200 . Take for extrapressure protection devices. KA21Y type are used for liquefied petroleum gas what the working temperature are less than 100
      主要零部件材料 Explanation of materials for main parts
      NO.
      Name of part
      A21H-C/A21F  KA21Y-C Materials
      A21W-P/A21F-P  KA21Y-P Materials
      A21Y-R    Materials
      1
         Union
      20
      1Cr18Ni9Ti
      1Cr18Ni12Mo2Ti
      2
       Union nut
      35
      2Cr13
      1Cr18Ni9Ti
      3
       Nozzle
      35
      1Cr18Ni9Ti
      1Cr18Ni12Mo2Ti
      4
       Body
      2Cr13
      1Cr18Ni9Ti
      1Cr18Ni12Mo2Ti
      5
       Disc
      2Cr13/2Cr13+PTFE
      1Cr18Ni9Ti/1Cr18nI9Ti+PTFE
      1Cr18Ni12Mo2Ti
      6
         Spring washer
      2Cr13
      1Cr18Ni9Ti
      1Cr18Ni12Mo2Ti
      7
       Spring
      50CrVA
      50CrVA Coated Teflon
      50CrVA Coated Teflon
      8
       Locking nut
      Q235-A
      2Cr13
      1Cr18Ni9Ti
      9
       Spring guide
      2Cr13
      1Cr18Ni9Ti
      1Cr18Ni12Mo2Ti
      10
       Adjusting nut
      Q235-A
      2Cr13
      1Cr18Ni12Mo2Ti
       
       Sealing surface of material
      "Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body
       
      外形尺寸和连接尺寸 Dimensions (mm)
      Type
      (DN)
      Nominal diameter
      do
      d
      Do
      M
      d1
      D1
      L
      L1
      H
      KA21Y-16C A21H-16C A21H-40
      A21W-16P A21W-40P KA21Y-16P
      15
      12
      15
      20
      M27    1.5
      G1/2"
      30
      35
      76
      66
      20
      16
      20
      25
      M33    1.5
      G3/4"
      34
      40
      87
      68
      25
      18
      25
      31
      M39    1.5
      G1"
      40
      50
      100
      105
      A21Y-64
      A21Y-64P A21Y-100
      A21Y-100P
      15
      10
      15
      25
      M39    1.5
      G1"
      44
      50
      100
      66
      20
      10
      20
      31
      M39    1.5
      G1"
      44
      50
      100
      68
      25
      12
      25
      31
      M39    1.5
      G1"
      44
      50
      100
      105
      A21W-160
      /160P
      15
      8
      20
      /
      M24    2
      G1"
      44
      50
      100
      261
      20
      8
      25
      /
      M33    2
      G1"
      44
      50
      100
      261
      25
      8
      28
      /
      M36    2
      G1"
      44
      50
      100
      285

       

      -------磁力泵_耐腐蚀化工泵_气动隔膜泵_自吸泵_消防泵_排污泵_齿轮油泵厂家---版权所有(c) 上海长荣阀门有限公司     地址:上海市嘉定区黄渡工业区春浓路312号---E-mail:sales@shchangrong.com 网址:http://www.fdknjx.com 电话:86-021-53591187  63143652  传真:86-021-63139057 沪ICP备09058537号

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