hi everyone
I have a newly built steel plant building equipped with standpipe system、automatic sprinkler system, and outdoor fire hydrant system. How should I determine the maximum water demand of this building? Should I add up the water demand of each system? Especially, how to determine the...
HI Everyone
For my project, the pipe fittings provided by the gas suppression manufacturer are socket-welded ones of Class 3000. However, the client requires me to change them to flanged ones. So, what Class should I choose for the flanges? The maximum operating pressure of the system is 6 MPa...
Hello. I've got a question here. In accordance with the NFPA requirements, is it necessary for a gas fire extinguishing system to be furnished with a manual/automatic switching device? And does the sole manual release （Electrical Manual Release and Mechanical Manual Release）method fulfill the...
hi everyone
I have to choose pipe welded or seamless ，I want to know when to choose seamless or welded pipe.Are there any pressure or other restrictions on seamless pipes and welded pipes?
thanks
hi everyone
I am designing a fire extinguishing system. OE requires that all galvanized pipes must be painted with anti-corrosion paint. Are there any relevant requirements for this from NFPA or ASTM? At the same time, I would like to ask, is there a maximum size limit for grooved pipe fittings...
