Sensus Regulator Series 143

Sensus Regulator Series 143

  • Available Pipe Sizes: 1-1/4″, 1″ and 3/4″ NPT
  • Interchangeable Orifices: 1/8″ – 5/8″
  • Valve Body: Cast Iron – up to 125 psig working pressure
  • Vent Connection: 1″ NPT


Sensus Model 143-80 domestic service regulators can be used on both residential and small commercial and industrial applications. With a variety of body sizes, loading springs, and orifices sizes, these regulators can provide the outlet pressure ranges and capacities to fit most applications for a 6″ service diaphragm regulator.

The model 143-80 design provides the popular union nut connectional, not requiring bolts or screws to connect the body to the diaphragm assembly. It is available with an internal relief valve (IRV), and with a low pressure cutoff (LPCO). Simple, rugged, precise and outstanding performance.

Corrosion Protection: Cases dip primed chromate conversion coating, enamel topcoat.
Available with an Internal Relief Valve set to relieve at approximately 7-10” w.c. above normal outlet pressure setting.

Technical Documentation


143-80 Sensus Regulator

General Safety for Industrial Regulators

143-80 Sensus Regulator Installations

143 Sensus Illustrations Details