Exceeds ANSI Standard Z358

and hydrocarbons

They are used with compatible TOUGH GUY portion control systems to prevent wasted chemicals and avoid human error that can result in improper mixing of cleaning chemical solutions

The extra space created by an elongated toilet seat and bowl improves comfort for adults and supplies a large target area to reduce drips and mess around the bowl

Frame: 447/449T

Top Brand Check Valve, 1/2 in, Single, Inline Piston, Brass, MNPT x FNPT - CHK BRS 810-8F8M-B Nominal Size-30" X 30" X 1.25" Exceeds ANSI Standard Z358Ideal for installation in tight spaces, this piston spring check valve can provide backflow protection for a variety of applications. Model has an embedded O ring that seals on the seat. Pressure in the direction of flow moves the piston and seal off the seat and exposes the cross holes in the piston. Valve is designed to provide a positive seal at very low back pressure or slight vacuum.