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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: Univers4300_A_GV_M

DN PN End connection d x s x l Length Height ø Seat Kv-Value Drawing number Single inquiry
42506,0 x 1,0 x 25749570,3822-4300Single inquiry
62508,0 x 1,0 x 25749570,7522-4301Single inquiry
825012,0 x 1,5 x 25749571,322-4302Single inquiry
1025014,0 x 2,0 x 2574957-22-4303Single inquiry
1525020,0 x 2,5 x 25110130152,122-4304Single inquiry
2025025,0 x 2,5 x 25110130153,322-4305Single inquiry
2525030,0 x 3,0 x 2511020817,57,322-4306Single inquiry
3225038,0 x 4,0 x 50355495451122-4307Single inquiry
4025048,3 x 5,0 x 50355495451322-4308Single inquiry
5020060,3 x 5,6 x 50380495451622-4309Single 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
Actuator hand wheel
Seat sealing metal/PCTFE seat leakage rate 1*10-6 mbar*l/s
Seat sealing metal/PTFE seat leakage rate 1*10-6 mbar*l/s
Seat sealing metal/metal seat leakage rate 1*10-3 mbar*l/s
Body sealing metal seal ring He leakage rate to atmosphere 1*10-8 mbar*l/s
Stem sealing stainless steel bellow
2nd stem sealing safety-O-ring/grooved ring (Viton)
Surface treatment machined, ground, electro-polished or passivated**
Body shape straight or angle
Installation position horizontal in flow direction, actuator on top, max. 30° vertical
Material certificates DIN EN 10204/3.1 AD2000-A4
Welding flange optional for vacuum insulated tubes
Stem bearing ball bearing

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