ff. Threaded Adapter Nipples for Victamlic couplings or equal shall have one end threaded and the other end grooved for the coupling. Ze Screwed fittings shall conform to American Screw Association (hereinafter referred to as A.S.A.) specifica- tions for stmdard 125-pound fittings, pipe threads to be American Standard, h, Special Unions. Unions for coupling copper tubing to threaded fittings shall be brass, copper pipe to male I.P.S. threads, and shall be similar to Jones No. J-1531, or approved equal, i, Machine Bolts and Nuts: Machine bolts shall be threaded Americcn Standard, and shail conform to A,5S,A. Bl specification for cold rolled steel. Nuts shall be hex nuts, machined, md threaded to suit bolts. j. Gaskets shall be 1/16" thick full face sheet asbes- tos and suitable for use with flat face cast iron flanges and shall be "Durabla", or approved equal. k, Hook Plate. The hook plate shall be the single hook type Crane #163-G, or approved equal, for line size indicated. 1. Asbestos Mill board shall be l-inch thick Corey, or approved equal. equal, m. Insulating Cement shall be Corey MY 50, or approved n. Bitrified Clay pipe shall be specification A.S.T.M. C-13-liT,. in accordance with ©. Cinch Anchors for securing equipment and pipe sup- ports to concrete shall be National Lead Company's "Cinch" anchors, or approved equal. 20-05, EQUIPMENT: a. Flow Rate Indicator, The flow rate indicator shall be a Bischer & Porter "Flowrator" Series 700, or approved equal, b. Salinity Tester, shall be "Solv-Bridge™ The Salinity testing equipment Model RD-lj, Salinity tester with rub- ber dip cell, double dispenser with P. Hydrion PH paper or approved equal, 20=3