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2-PORT BALANCED PRESSURE THREADED PN 25 (5...150 °C) SEAT VALVES

VM 2..

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APPLICATION

Control valves for hot water and superheated water max. 150 °C.

FEATURES

  • Body in bronze Rg5.

  • Spindle, seat and plug in stainless steel.

  • Connections by male threaded unions ISO 228/1.

  • Control:

    • Equipercentage.

    • Control ratio 50.:.1.

  • Let by: 0.05% Kvs.

      DN connections     Suitable actuators  
Code   DN corpo mm valves pipes Kvs (1) m3/h Run  mm. CLQ/CEQ 07. 14 s./mm CLR/CER 15. 15 s/mm CLR/CER 03.   3 s/mm Data sheet
      males males     bar(2) s(3) bar(2) s(3) bar(2) s(3)  
VM 209   15 3/4" 1/2" 0.25 5 16 70 16 75 16 15 M 961
VM 210   15 3/4" 1/2" 0.4 5 16 70 16 75 16 15
VM 211   15 3/4" 1/2" 0.63 5 16 70 16 75 16 15
VM 212   15 3/4" 1/2" 1.0 5 16 70 16 75 16 15
VM 213   15 3/4" 1/2" 1.6 5 16 70 16 75 16 15
VM 214   15 3/4" 1/2" 2.5 5 16 70 16 75 16 15
VM 219   20 1" 3/4" 4.0 5 16 70 16 75 16 15
VM 224   25 1"1/4 1" 6.3 5 16 70 16 75 16 15
VM 230   32 1"1/2 1"1/4 10.0 7 - - 16 105 16 21
VM 239   40 2" 1"1/2 16.0 10 - - 16 150 16 30
VM 248   50 2"1/2 2" 25.0 10 - - 16 150 16 30

  • (1) : Kvs ­ Flow coefficient: Flow in m3/h with valve open and pressure drop of 100 kPa. - 100 kPa = 10 mWG = 1 bar

  • (2) : bar ­ Maximum pressure differential (∆p max) permitted by actuator. 

  • (3) : s ­ Time (seconds) necessary for actuator to make the complete valve run.

PRESSURE DROP IN SEAT VALVES VM 2..