Nominal sizes, ratings, design, materials, marking and shipping for swing, piston, ball and disk valves for Class 150 up to Class 2500 and of nominal sizes 15 to 600 mm. Appendix for application to piping systems with BS 4504:Part 1.
ICS
75.180.99 Other equipment for petroleum and natural gas industries / Оборудование для нефтяной и газовой промышленности прочее