... pressure end ressure promote 7. the valves are suitable for power plant dry ash system, the warehouse pump material out conveying,also ... , such asheavy medium in the piping system for coal preparation plant. Design & Manufacture standardsMSS SP81,MSS SP135,ASME B16.34Face ... are supplied for a broad range of applications in the power generation, chemical andpetrochemical, oil and gas, pulp and paper, ...