MANUFACTURED BY OKUMURA ENGINEERING WORKS, MFG. DATE: JAN, 1988, VALVE NUMBER: TT501-CG, TYPE: C-336D. INCLUDES JUNCTION BOX, LIMIT SWITCHES, AND CONTROL VALVE. VALVE HAS A 304 STAINLESS STEEL GATE WITH BEVELED EDGE. FLANGE CONNECTIONS ARE 8 THREADED HOLES ON A 9.0" BOLT CIRCLE.