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        NMA139B

        Product brief description

        Belongs to...
        ????( Certified product )
        • Operating Conditions

          Temperature:-20℃~ +160℃
          Pressure :≤ 4.0MPa
          Speed :≤ 25m/s

        • Applications

          Clean water, oil and other weak corrosive fluids

        • Materials

          Rotary Ring:Q1,Q2,U1,U2
          Seat Ring:Q1,Q2,B,A
          Secondary Seal:V,P,E,G
          Spring and Metal Parts:F,G,M

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