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LV4403B Series

Application

Designed to reduce first stage pressure of 5 to 20 PSIG down to burner pressure, normally 11” w.c. Ideal for medium commercial installations, multiple cylinder installations and normal domestic loads.

Features

Large vent helps prevent blockage and has ¾" F.NPT for vent piping.

With 15 PSIG inlet pressure, regulator is designed to not pass more than 2 PSIG with the seat disc removed.

Incorporates integral relief valves.

Replaceable valve orifice and valve seat disc.

Straight line valve closure reduces wear on seat disc.

Unique bonnet vent profile minimizes vent freeze over when properly installed.

Large molded diaphragm is extra sensitive to pressure changes.

Built in pressure tap has plugged 1⁄8" F.NPT outlet. Plug can be removed with a 3⁄16" hex allen wrench.

Select brown finish.



Materials

Body Die Cast Zinc
Bonnet Die Cast Zinc
Nozzle Orifice Brass
Spring Steel Valve Seat Disc Resilient Rubber
Diaphragm Integrated Fabric and Synthetic Rubber

LV4403B Series.pdf