Control Valve Sizing - What is Piping Geometric Factor

[@healthyliving0707]

Class VI is possible with metal to metal seating in case of butterfly valves. Few vendors are providing such type of valves. Plz make a video on this.

[@AshuSharma-em2ot]

Bhai aap A312/A312M standard specification ke bare me video banao na please

[@danielodeliro2412]

Thanks