Tescom DHF Series

Features & Benefits

  • Flange connections according to DIN EN 1092-1 type 11 for easy line installation
  • Face to face dimensions according to DIN EN 558, Row 38
  • Precise pressure control up to 17 bar at very high flow rates
  • High flow also below 1 bar outlet pressure
  • Choice of spring load or dome load [e.g. remote control with ER3000 or lower droop]
  • Gauge ports available
  • Low droop at large flow


Pressure Rating

Maximum Inlet Pressure:

580 PSIG [40 bar]
Outlet Pressure Ranges:
0-20, 0-50, 0-100, 0-150, 0-250 PSIG [0-1.4, 0-3.5, 0-6.9, 0-10.3, 0-17.2 bar]
Design Proof Pressure: 150% of rated pressure
Design Burst Pressure: 400% of rated pressure


Fluid Media

Corrosive or non-corrosive gases or those requiring high purity regulation compatible with materials of construction. For other media, consult factory.



Body, Bonnet, Back Cap: 316 Stainless Steel
Seat, Main Valve:  Buna-N 90, Ethylene Propylene 80, Chemraz® 75 or Viton®
O-ring: Buna-N, Ethylene Propylene, Chemraz® or Viton®
Seat, Vent Valve: CTFE, Vespel® or PEEK
Diaphragm: E.P./Nylon reinforced or Gylon®
Remaining Parts: 300 Series Stainless Steel / Nitronic 60


Operating Temperature

-20°F to +165°F [-29°C to +74°C]


Flow Capacity

Cv = 5
Leakage – Internal
Bubble tight



19 lbs [8.6 kg]