Nexus Venturi NVGB

A combination calibrated manual balancing valve, venturi flow meter, butterfly valve with grooved ends. The NVGB comes standard with two pressure and temperature test plugs and memory stop.

Product description

Calibrated Balancing Valve, Venturi Flow Meter and Butterfly Valve

  • 175 PSIG, 250ºF             

  • Grooved ends     

  • Accuracy ±3%

Body:                                          P235GH Pressure vessel steel (ST 35) 230 PSIG 250ºF

Venturi Insert:                           P235T1 – Carbon steel (ST 37)

Flanges:                                     S235JR – Carbon steel, ASME B16.5, 150# Class B flanges

Butterfly Valve:                         Epoxy coated cast iron ASTM A126,

                                                    Lug type butterfly valve 225 PSIG, 250ºF

                                                    304 stainless steel disk

                                                    416 stainless steel shaft 

Bolts:                                          Zinc Plated Steel

Grooved Adapters:                   Ductile iron ASTM A395

                                                    175 PSIG, 250ºF

                                                    Standard 125# Class B Flanges

2½” thru 12″

Size Flow Rate
2½"
26.00 GPM thru 82.00 GPM
3"
50.00 GPM thru 158.00 GPM
4"
89.00 GPM thru 281.00 GPM
5"
131.00 GPM thru 415.00 GPM
6"
240.00 GPM thru 758.00 GPM
8"
404.00 GPM thru 1,277.00 GPM
10"
594.00 GPM thru 1,877.00 GPM
12"
1,044.00 GPM thru 3,300.00 GPM