WattsWater.eu
NVFN Series
Flamstop fuel shut-off valves
Technical Data Sheet
Page 1: ...WattsWater eu NVFN Series Flamstop fuel shut off valves Technical Data Sheet ...
Page 2: ...3 F Technical features Setpoint temperature 97 C 3 C Maximum temperature sensor side 120 C Maximum temperature valve side 50 C Maximum operating pressure 6 bar NVFN 15 25 1 bar NVFN 32 80 Fuels Diesel fuel oil natural gas propane butane Capillary length 5 m Minimum storage temperature 40 C Operating range 10 100 C Minimum temperature valve side 5 C Minimum temperature sensor side 15 C Features Bod...
Page 3: ...ible to reset the valve until the water temperature has fallen below 85 C 1 2 3 5 6 4 Characteristics 1 Resetknob 2 Disc 3 Cover 4 Heat sensitive element 5 Valve body 6 Sheath Install the fuel shut off valve on the fuel supply pipe between the filter and the burner in the direction shown by the arrow cast into the valve body The valve s heat sensitive element must be immersed in the outward flow o...
Page 4: ... 32 80 Max temperature sensor side 120 C Maximum temperature valve side 50 C 1 2 and 3 4 versions suitable for biodiesel INAIL approved and set Compliant with Directives PED 2014 68 EU and ATEX 2014 34 EU DN L H H1 1 2 70 155 138 3 4 70 163 141 1 90 196 169 1 1 4 150 204 169 1 1 2 150 204 169 2 170 222 179 1 2 H D H1 D 52 5 L 50 0 0 DN L H H1 65 260 310 200 80 310 351 234 1 2 H D H1 D 52 5 L 50 0 ...
