Back Pressure Regulator; 2 channel with manometer

Back Pressure Regulator

Back Pressure Regulator for a stable sample flow rate to guarantee reliable and accurate measuring results.

  • Provides stable flow rates to instruments even if sample flow is not constant
  • Acts also as a relief valve for up to 600 l/h short term
  • Made of stainless steel SS316L.
  • One sample inlet, one overflow outlet and 2 outlet to the instruments. The overflow outlet is also useful for grab sampling.
  • Outlet pressure indicator (stainless steel) 0 … 2.5 bar
  • 2 sample outlet shut-off valves
  • No separate grab sample valves necessary
  • Sample in- and outlets with ⅛” female threads are quipped with Swagelok fittings for ¼” tubing (inlet: angle, outlets: straight).



  • Other Swagelok or Serto connections available as accessory.


– pressure block made of stainless steel SS316L
– membrane Butyl rubber, PVDF
Sample temperature 0 … 70 °C, short time max. 90 °C
Sample flow per outlet 0 … 25 l/h
Max. sample overflow 120 l/h, short time max. 600 l/h
Sample outlet pressure 0.5 … 0.6 bar
Outlet pressure indicator 0 … 2.5 bar
Inlet- and Outlet process connection female ⅛” thread + Swagelok fittings for ¼” tubing
Overflow process connection female ⅛” thread + Swagelok fitting for ¼” tubing


Contact us to place an order.


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