They feature a versatile

Operating Pressure Differential Steam: 90 psi

Diverter Spindle

The unit can be mounted in toilet partitions that measure 1/2 of an inch to 1-1/4 inches in thickness

Width: 1 1/8 in

Top Brand Check Valve, 3/4 in, Single, Inline Ball Cone, Glass Filled Polypropylene, FNPT x FNPT - FP CHK 687-12F12F-F ADA Compliant-No They feature a versatileCompact ball cone spring check valve features a light cracking pressure, high flow rate, and a positive seal even at very low back pressure or with a slight vacuum. Model is designed with a thin elastomer disc supported by a poppet that seals on the seat. Check valve is suitable for a wide range of air and fluid applications.