BACK PRESSURE REGULATORS

back_press_vsr51VSR 51 SERIES

Features

  • Reduces contamination and provides accurate regulation of corrosive ornon-corrosive gases
  • Close pressure differential between crack and reseat
  • Compact and economical
  • Panel mounting is available
  • Tested for use with oxygen

Technical Data

  • Inletpressure P1 max: 17 bar
  • Materials:
    • Body regulator, reliefvalve: seeordering info
    • Valveseat: PCTFE
    • Diaphragm: Hastelloy C276
    • O-ring: Viton
    • Filter: SS 316L
    • Inletsandoutlets: 1/4NPT (F)
    • Temperaturerange: -30 °C to +74 °C
    • Leak rate (to atm): 2x10 mbar I/s He
    • (via seat): Bubble tight
    • Flow capacity: Cv=0.08
    • Weight: 1 kg

back_press_vsr51VSR 52 SERIES

Features

  • Economical and compact design
  • Piston sensed design is safe and reliable
  • Available in a Stainless Steel orBrassdesign
  • Optionalgaugeportsand panel mounting
  • Low hand knob torque for easy operation
  • Bubble-tight shut-off at all reseating pressures
  • Tested foruse with oxygen

Technical Data

  • Inletpressure P1 max: 17 bar
  • ControlledPressure: see ordering info
  • Materials:
    • Body regulator, relief valve: see ordering info
    • Valveseat: PCTFE
    • Diaphragm: Hastelloy C276
    • O-ring: Viton
    • Filter: SS 316L
    • Inlets and outlets: 1/4NPT (F)
    • Temperature range: -30 °C to +74 °C
    • Leak rate (to atm): Bubble-tight
    • Flow capacity: Cv=0.1
    • Weight: 1 kg

back_press_vsr51VSR 53 SERIES

Features

  • Functionsimilartoreliefvalve, ease of adjustment
  • Panel andlinemounting
  • Accuracy: ±1of central pressure range
  • Bubble-tight shut off at all reseat pressures
  • Tested for use with oxygen

Technical Data

  • Type: Single-stage
  • Inlet pressure P1 max: 300 bar
  • Controlled Pressure: see ordering info
  • Materials:
    • Body regulator, relief valve: see ordering info
    • Valveseat: PCTFE
    • Diaphragm: Hastelloy C276
    • O-ring: Viton
    • Filter: SS 316L
    • Piston: SS 316L
    • Inlets and outlets: see ordering info
    • Temperature range: -30 °C to +74 °C
    • Leak rate (to atm): Bubble-tight
    • Flow capacity: Cv=0.08(<100bar)
    • CV=0.01(100~300 bar)
    • Weight: approx.2 kg