Standards bonetti’s cmi gate valves have been designed, rated, manufactured and inspected, where applicable, in accordance with the most used international standards, namely: - asme b16.34 -steel valves, flanged and butt-welding ends - asme b16.10 -face-to-face and end-to-end dimensions - applicable sections of asme boiler and pressure vessel code, including nuclear section iii. - mss sp 44 steel pipe line flanges - mss sp 61 hydrostatic testing of steel valves - api standard 598 - valve inspection and test - asme b16.25 - buttwelding ends - trd 110 (on request).