Jul 14, 2016 #1 sizgalil Chemical Nov 4, 2009 17 0 0 IL Hi. Does anyone know what the definitions of AC (Accuracy Class) and SG (lock-up pressure class) are with regards to pressure regulators and slam shut valves? Thanks!
Hi. Does anyone know what the definitions of AC (Accuracy Class) and SG (lock-up pressure class) are with regards to pressure regulators and slam shut valves? Thanks!