D15P Pressure Reducing Valve

The D15P flanged pressure reducing valve is available in DN50 only. The valve has a cast iron housing and spring bonnet, with a bronze valve seat and piston guide. The diaphragm is manufactured from EPDM and a steel adjustment spring is provided along with flange mounted gauges.


The D15P will protect the installation from excessive supply pressures, reducing pressurisation damage and noise levels. Water consumption is also reduced, as the valve design maintains a constant set pressure, even when there is wide inlet pressure fluctuations.


Range of applications
Inlet pressure: 16 bar
Outlet Pressure: 1.5 – 8 bar


  • max. 16 bar inlet pressure
  • 1.5 - 8 bar - DN50 
  • Non rising stem for setting outlet pressure and position indicator on spring bonnet
  • The adjustment spring is not in contact with wholesome (potable) water
  • With inlet and outlet pressure gauge 
  • Inlet pressure balancing, fluctuating inlet pressure does not affect outlet pressure
  • Powder coated inside and out
  • Has the capacity to regulate “near zero” elimination and the need for a low flow bypass valve