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Dear Members, i attached sample of the graph i need. my problem with this graph is the limitation of the pressure to 120 psi and i need similar graph with a pressure range to 175 psi. your assistance is highly...

many regards for your help, and thank you very much.

really thank you, but i need curve with pressure up to 175 psi

Dear Members, i need free graphs forms to draw n1.85 graph. if you could assess me in that i will be a pleasure.

Dear Members, i started design to Animal feed factory ( fire protection system ). Kindly advice what kind of NFPA codes shall be utilized.

dear members ; i want to know what is pipe spool for deluge system. and another question i have a deluge system with open valve downstream of the deluge system ( for testing the system without flooding water to transformers ) and AHJ requested to replace all valves downstream of all deluge...

thanks alot for your respond, but i conducted hydraulic calculation and ensured that pressure and every thing is OK and there is already deluge valve. my problem with the contractor is the contracotr refuse to change the sprinkler with the same properties nozzles.

Dear Members, what is the difference between closed head sprinkler pattern and nozzle spray pattern for the same k factor? my problem is that i have close head sprinkler network installed for a store and the HJ requested to replace this sprinkler by open head nozzle and when i mad a quick...

this refill time after the tank will be empty or from starting the fire.

pls. provide support code reference

what is the maximum available time to fill firefighting tanks?

the most important question that is soybean meal materiel is combustible or not?

thanks a ltot for your advice

Dear members, i have a problem that my company bought horizontal split case pump ( centrifugal type ) for a project , but the tank level is down by 3 meter the pump location as suction pipe goes horizontal for 2 meters and down for 3 meters. the problem i need a reference from NFPA that i can...

YES ITIS AGOOD ALTERNATIVE SOLUTION AND I WILL BACK TO THEM.

thanks a lot for your perfect advice.

to refill withen 8 hrs. itis AHJ requirements

thanks a lot for your reply, but noted that my project located in the deep desert.

my client know that and he requested me to find solutions, but may be he will refuse the temporary tanks because we discussed it before and he didn't like the idea requesting me to find another solution. also the main problem happens during refilling of the tanks also.

5000m3/8hr. = 625m3/he. > 260 m3/hr the problem?