This project of mine involves augmenting the existing sewage pump station (SPS) with a second sewage rising main. Namely, the SPS already has a rising main and my client wants to add a second one as standby. As the standby rising main could sit idle for a long time (say years), septicity is an...
I received a response from Cla-Val with the data sheet for the duckbill check valves, showing some charts on head loss versus flow rate. After conducting my analysis, I calculated a head loss coefficient (K value) of 7.0 for the slip-in type and 8.7 for the low head loss type. The results seem...
I have 3 questions and wonder if someone here can help:
1. I need to lay a sewage rising main in a winding footpath. Can HDD adopt a meandering alignment from one single drill pit?
2. What is typically the head loss coefficient of a Rubber Flex Slip-In In-Line Duckbill Check Valve and a Low...
