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10x ESFR 25.2 heads @ 75psi (5.2 bar)

Makes sense. Thx

Yeah, some of them are a little bit over 40000 sqft.

645000 sqft (~60000 m²), 16 risers.

I agree with the advice, but as Travis said, it's not cheap to change the system to be under 175 psi and I'm already using large pipes because it's a huge warehouse, and I can't change the heads for higher pressure ones. In the end, it all comes to the cost, as we are not obliged to follow 100%...

Hello everyone, I have this situation on my sprinkler design, I need to place an automatic release valve on the system. I'm limited to place it on the crossmain end with a mechanical tee pointing upward. Putting it on near or far main will work the best to remove most trapped air from the...

I'm using ESFR heads. I'll set the pumps similar to what I read from this post, limiting the system up to 175 psi. I'll have to use the relief valve for this purpose anyway. Thanks.

I'm aware of this restriction, but I don't have much choice in this case, the local Brazillian code doesn't specify those scenarios, so we follow as much as we can the NFPA 13/20 codes. My sprinkler heads are rated to 175 psi, the highest sprinkler heads in my design will be under a pressure of...

Hello everyone, My name is Vinícius, I'm an engineer in Brazil. I have a question regarding a sprinkler project for a warehouse, following the NFPA-13 and 20 codes. The system calculations required 170 psi for my remote area, speaking with the pump representative, they indicated a pump rated...