POLNA corp. s.r.o.

POLNA corp. s.r.o.

- Model 1-9100 - Reducing Stations

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Special control valves for reducing the high pressure drops with multicage design of Limiphon8 cage.

  • Nominal diameter
    • =  DN 25 - DN 400 =   1'-16'
  • Nominal pressure
    • =  PN40-400
    • = ANSI 300-2 500
  • Construction
    • = construction with special cage - Limiphon®
  • Medium temperature range
  • B  -200 ... +590°C
  • Flow characteristic, Kvs values : linear
  • Class of tightness (IEC 60 534 - 4) : Class IV - standard, metal seat = Class V - optional for metal seat
  • Body material : carbon steel, stainless steel according to EN, DIN or ASTM
  • Plug and seat material
    • stainless steel
    • stellit or plasma nitridation possible, other technologies if appropriate
  • Connection
    • flange = welded
  • Actuators : pneumatic s electric = hydraulic

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