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Abbreviations keys

Abbreviation key

Media temperature

  • C = cryogenic temperature
  • A = ambient temperature

Pressure range

  • LP = low pressure (below 1 bar)
  • MP = medium pressure (up to 40/45/63 bar)
  • HP = high pressure (250 to 420 bar)
  • UHP = ultra-high pressure (>> 420 to 1.000 bar)

Vacuum jacketing

  • No = not suitable for installation in vacuum-jacketed pipes
  • Std = for installation in vacuum-jacketed pipes
  • Opt = suitable for vacuum-jacketed pipes, vacuum flange as option

Function

  • GV = Globe valve
  • CV = Control valve
  • CHK = Check valve
  • STR = Strainer
  • OV = Overflow valve
  • RV = Relief valve

Actuation

  • M = manual
  • P = electro-pneumatic
  • PR = electro-pneumatic with IP regulator
  • E = electric
  • S = solenoid
  • SPR = spring-based

 

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Parameters: Univers4200_A_CHK_SPR

DN PN End connection d x s x l Length Height ø Seat Drawing number Single inquiry
425017,2 x 2,9 x 25130471008-4200Single inquiry
625017,2 x 2,9 x 25130471008-4201Single inquiry
825017,2 x 2,9 x 25130471008-4202Single inquiry
1025017,2 x 2,9 x 25130471008-4203Single inquiry
1525021,3 x 3,2 x 251701002008-4204Single inquiry
2025026,9 x 3,2 x 251701002008-4205Single inquiry
2525033,7 x 4,0 x 252001192508-4206Single inquiry

Technical Data

Technical DataTechnical Design
Service fluidsN2, O2, Ar, H2, He, NG*
Operating temp. fluid -196 °C(-269 °C) to +50 °C
Operating temp. enviroment -30 °C to +50 °C
Body material stainless steel
Seat sealing metal/PCTFE
Seat sealing metal/PTFE
Seat sealing metal/metal
Body sealing metal seal ring He leakage rate to atmosphere 1*10-8 mbar*l/s
Surface treatment machined, ground, electro-polished or passivated**
Minimum opening pressure ≤ 0,3 bar
Body shape straight or angle
Installation position horizontal in flow direction, bonnet on top
Material certificates DIN EN 10204/3.1 AD2000-A4

* All dangerous, toxic or acid fluids according to material compatibility.
**Surface treatment can be choosen according to customer specification. See product options