AL407EP Service valves for NH3 liquid or vapor designed for small applicator tanks with 3/4" FPT openings.

An excess flow check assembly is installed in the 3/4" inlet connection for protection in the event of accidental breakage. A 1/4" FPT opening is provided for the installation of a bleeder or hydrostatic relief valve, if desired. Construction consists of steel
body, cadmium plated, Teflon stem packing, and long lasting nylon seat. Liquid withdrawal rate - 20 GPM - NH3 @ 20 psi.

AL409P designed for liquid withdrawal service in small applicator tanks. The port through the seat is restricted to 7/16" diameter in accordance with ANSI standards. A 1/4" FPT opening is provided for the installation of any desired accessory. Liquid withdrawal rate - 28 GPM - NH3 @ 20 psi.

AL407P is designed for use as a manual vapor or bleeder valve. Construction is identical to and parts are interchangeable with the AL407EP & AL409P.