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        1. 產品列表PRODUCTS LIST

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          Dwyer針閥NVII

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          經濟,壓力高達2000磅/平方英寸,防噴閥桿
          NVII型針閥在所有應用中都提供了方便的流量調節,包括壓力表和儀表的關閉和節流。采用一體式熱鍛黃銅閥體結構,可提供多年的免維護服務。NVII型具有防篡改設計和防噴桿,具有優異的性能和可靠性。
          產品應用
          儀表管線關閉、儀表隔離、排水閥和壓力計
          特征
          壓力達到2000 psi
          一體式車身結構
          防篡改設計和防噴閥桿
           

          Model Description
          NVII-1B Needle valve (female x female).
          NVII-2B Needle valve (male x female).

          Specifications

          Service: Gases and liquids compatible with wetted materials. Not rated for steam use.

          End Connection Size: 1/4" female NPT.

          Pressure Limit: 2000 psi (138 bar) (CWP).

          Wetted Materials: Valve Body: brass (CW617N); Retainer, Handwheel: brass (CW614N); O-Ring: fluoroelastomer.

          Temperature Limits: -40 to 350°F (-40 to 176.7°C). (Warning: freezing of the fluid in the installation may severely damage the valve.)

          Flow Coefficient: 0.31.

          Weight: 0.22 lb.

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