Standard mount. Heavy duty non corrosive. 1/2" MIP inlet and outlet. For use with 3" or 6" x 1/4" stainless steel rod and 4" x 5" float ball. Replaceable seals are made of long wearing, chemical resistant Santoprene rubber. Bodies made of NSF approved PVC. Hardware made with 18-8 stainless steel. 0.25" Orifice with an estimated flow rate of 7.7 gpm at 20 psi and 12.5 gpm at 60 psi.