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DP17 pilot extra-huge membrane high sensitivity pressure reducing valve

VALVE

DP17 pilot extra-huge membrane high sensitivity pressure reducing valve

Structural characteristic and purpose

  • Another outstanding advantage of the valve is: a valve body can beinstalled with many pilot valves, to realize the temperature control, upperstream pressure control and long-distance switch control as well as pressure regulating.

Main technical parameters and indexes of performance

  • Nominal pressure  PN25
  • Maximun design pressure(PMA)  25bar g @ 120℃
  • Maximun design temperature(TMA)  260℃ @ 21bar g
  • Minimun design temperature(TMI)  -10℃
  • Maximun upstream pressure for saturated steam service (PMO) 17barg
  • Maximun operating temperature(TMO) 260℃ @ 21bar g
  • Minimun operating temperature(TMIO) 0℃
  • Maximun differential pressure( ΔPMX ) 17bar
  • Down stream pressure range 0.2-1 7bar g

Connecting manner:

  • flange: RF FM RJ
  • standard: JB79 GB9113 ANSI B16.5 DIN BS4504

Material of main component

  • Name of component Material of component
  • Valve body, valve cover
  • Valve seat 2Cr13
  • valve flap 2Cr13
  • Valve rod 2Cr13
  • Membrane 316
  • Adjusting spring 60Si2Mn
  • Spring of main valve 50CrVA

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