This image shows the Culinary Steam Piping Assembly for Steam Infusion or Injection.
The parts consist of:
A - Desuperheater or sufficient length of piping to desuperheat steam shall be incorporated between the pressure regulating (reducing) valve and the steam purifier.
B - Acceptable alternate location for steam throttling valve.
C - Sanitary tubing and fittings shall be used between the point indicated and the processing equipment.
Note: Additional valves, strainers, traps, gauges and piping may be used for control and convenience in operation. The location of the steam throttling valve is not restricted to the positions indicated on the drawing. The positions of items 2 and 7 may be reversed if desired.