Rather than design an infinite variety of thermostatic expansion valve sizes to accommodate different capacities for heat removal, some manufacturers use a few standard valve body sizes in conjunction with what other feature? |
A) a flexible diaphragm to accommodate different heat removal capacities |
B) an externally adjustable superheat to accommodate different heat removal capacities |
C) internal equalizers to accommodate different heat removal capacities |
D) internal needle valve orifices of various sizes to accommodate different heat removal capacities |