Hi, camvalves
Thank you for giving me additional arguments to make the customer reconsider such request. In fact we are talking about ND 1", 2" and 3". After all, it sounds me like too severe to request a rate A test for a globe valve.
I am involved in a project where Customer specifies globe valve vee-reg type disc for throttling service and additionally requests leakage test complying with BS EN ISO 1266, rate A, i.e., NO VISUALLY DETECTABLE LEAKAGE FOR THE DURATION OF THE TEST. It has been hard to find a vendor to provide...