DOT Propane Cylinders . Most often referred to as bottles, most consumers are familiar with 20# cylinders used for a gas grill. There are different sizes and shapes of propane cylinders used by consumers for a variety applications ranging from cooking and grilling to weed burning.
This calculator let you calculate the orifice plate diameter based on ISO 5167-2:2003 standard. This standard refers to the flow measurement with area reduction instruments, for circular pipes with the section completely filled with fluid. How to calculate orifice plate size?