Univers 4200
Pneumatic globe valve
Univers 4200: high quality stainless steel globe valve for gaseous media. Straight valve configuration with stainless steel bellow for long life and high leak-tightness to outside. The valve body is machined from one piece of solid stainless steel. STÖHR pneumatic actuator and electromagnetic pilot valve as standard. End connections can be supplied in butt-welded execution or according to customer specification. Limit switches and further components available on request.
Series Univers 4200
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
- HY = hydraulic
Technical Data
Technical Data | Technical Design |
---|---|
Service fluids | N2, O2, Ar, H2, He, NG* |
Operating temp. fluid | -30 °C to +50 °C |
Operating temp. enviroment | -30 °C to +50 °C |
Body material | stainless steel |
Actuator | piston actuator, pneumatic single-acting |
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 physically tight |
2nd stem sealing | safety-O-ring/grooved ring (Viton) |
Surface treatment | machined, ground, electro-polished or passivated** |
Body shape | straight |
Installation position | opt. preferably horizontal in flow direction, actuator on top |
Material certificates | DIN EN 10204/3.1 AD2000-A4 |
Actuating pressure | 6 + 0,5/-0,0 bar, dry compressed air or nitrogen |
End connect. for actuating air | female thread 1/4" |
* All dangerous, toxic or acid fluids according to material compatibility.
**Surface treatment can be choosen according to customer specification. See product options