
Tozen Regulating Valve DDRV-B Ductile Iron Fixed Orifice Double Regulating Valve suitable media for water with working pressure 16 bar and 25 bar. Available size DN 65mm 2-1/2 inch, DN 80mm 3 inch, DN 100mm 4 inch, DN 125mm 5 inch, DN 150mm 6 inch, DN 200mm 8 inch, DN 250mm 12 inch, DN 300mm 12 inch, DN 350mm, DN 400mm, DN 450mm, DN 50mm, DN 600mm

Application :
Tozen Double Regulating Valve are installed and used in centralised heating and cooling systems to obtain design flow rats of each terminal units and balancing the circuits in the building.
FUNCTION :
- Balancing
- Measuring
- Pre-setting
- Isolating
FEATURES :
- Y Pattern globe design, fixed orifice type
- Accuracy of -/+ 5% at full open position of the valve
- Equipped with 2 measuring nipples for differential pressure measurement
- Microset adjustment range for maximum flow control
- Double regulating feature allows valve opening to be set with allen key
- Long neck for thermal insulation
- Flanged connection to EN1092-2 PN 16 / PN 25
- Comply to BS 7350 Standard
Pressure / Temperature Ratings :
- Working pressure :
– DDRV-B : 16 bar
– DDRV-B25 : 25 bar - Testing pressure :
Shell : 1.5 times
Seat : 1.1 - Working temperature : -10 deg. C to 120 deg. C
- Suitable Media : Water
Also supply for gate valve, check valve, butterfly valve, pressure reducing valve (PRV), Safety valve, water hammer, air vent valve, strainer, flexible joint valve, ball valve, globe valve, etc