Top Brand Check Valve, 1/2 in, Single, Inline Piston, Brass, MNPT x FNPT - CHK BRS 810-8M8F-F Length-30" Rough Wall Opening 12-3/8" W

Rough Wall Opening 12-3/8" W x 12-3/8" H (314 x 314mm)

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The Guardian G1750BC is a wall mounted eye/facewash station with an 11-1/2" diameter stainless steel bowl and stainless steel bowl cover

Top Brand Check Valve, 1/2 in, Single, Inline Piston, Brass, MNPT x FNPT - CHK BRS 810-8M8F-F Length-30" Rough Wall Opening 12-3/8" WIdeal 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.