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@Kald, Normally, you can size the inlet nozzle, gas outlet nozzle and liquid outlet nozzle based on the below critical, Inlet nozzle: rho(mix) * v2 < 6000 lb/ft.sec2 Gas outlet nozzle: rho * v2 < 3000 lb/ft.sec2 Liquid Outlet: velocity < 3.3 ft/sec You can find lots detail engineer tools in...

Can we count on the check valve leakage to eliminate the thermal PSV in FW main header? In PSV sizing, we do not consider any credit from check vale leakage, right?

We are in North Americam

Pennpiper, Thanks, I list detail in below 1. Where geographically, is this facility located? This is for one tank farm 2. Is this primarily an indoor facility? or 3. Is this an outdoor facility? outdoor 4. What is the material of this Fire Water system? steel pipe in 150# 5. Is this...

Our project designed one aboveground fire water system, I have one question about thermal PSV protection for the firewater main header (no insulation, max ambient temperature =30C, max). I understand water expands when temperature increase and thus thermal PSV need. But, I checked other...

Hi All, There is one very useful tools available in the web. Check www.enground.com and free download.

Dear All, I am very appreciate your guy’s help for my question. As all of us know, we have to review all potential release cases (fire, tube rupture, thermal, block out etc.) for PSV design. One post question can not result big project and I do not want release all the project information in...

Hello All, Thanks for you guys answer for my question. This is a vertical centrifugal can pump. The vendor has out of the market. So I tried to size one new pump per existing pump datasheet information. From flowserve Pro+ pump selection software, I got one pump performance data, the shutoff...

Hello All, There is one 20 years pump without performance curve. We need the pump's shutoff head to evaluate the piping PSV set point. In data sheet performance section show max head @ rated impeller showed as 680 ft. Is this equal to shutoff head? Thanks,