Difference between cv vs nrv check valve and non return valve. chilled water pump discharge side what we have installed?

تم إضافة السؤال من قبل Mohamed Mohaideen Hilal Mohamed Mohaideen Hilal , Mechanical QA/QC Engineer , Al Khayyat Contracting & Trading (KCT) & URBACON Trading & Contracting (UCC)
تاريخ النشر: 2017/02/27