supply of self lubricating cast iron taper plug valveself lubricating cast iron taper plug valve,self lubricating cast iron taper plug valve in 123 or mw 12 / size 25mm, regular pa ttern, standard type, wrench operated, screwed ends, bsp threads. make: audco or similar, ma terial specification:- body cover & gland - cast iron is 210 gr.fg220, plug - cast iron is 210 gr.fg 220 or carbon steel astm a216 gr.wcb, bolting - carbon steel studs: bs970 220 m07, hex.screw:a nsi b18.2.1, hex.nut: ansi b18.2.2., shim - mild steel, nickel plated, gland packing - rubberised asb estos, gasket - compressed asbestos. [ warranty period: 30 months after the date of delivery ] ] => limited