i need help in selecting and specifying valve for application
the application
waste water
the pipe material is concrete
i am not sure what valve to use
butter fly , gate or ball valve
i want to calculate heat loss from vertical tank diameter 20 m height = 12 m
the roof are cone shape
i will use your formal is it best for these case is there is better formals or there is a program to calculate it
i want to ask what is the chemical cleaning used in cleaning fuel oil tank and is it better that sand plasting
as iam used to do sand plasting
and is it better to caot tank inside as my tank is without coating
i have the same question
if i want to erect atank as i am the puisher how shall i define the time of erection for example tank diameter = 15 m
height = 12 m
inernally & external coating
and how specisify the time to remove old tank
the tank material are carbon steel , fluid gasoline , the tank in avery moisture enviroment (beside the sea)so i wish to tell me what is the refrence to get the corrosion range depend on these data
in API 650 indesign section of bottom and shell plate
CA = corrosion allowance the Purchaser must define it
i don't know how to define it i know storage liquid , steel plate material
so please i want to know how to calculate corrosion allowance
thanks