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Psychological Services / Psychological Services Home Page School psychologists provide direct support and interventions to students, consult with teachers, families, and other school-employed mental health professionals (i.e., school counselors, school social workers) to improve support strategies, work with school administrators to improve school-wide practices and policies, and collaborate with ... VS20151 Banjo Stem VS20151 from Springer Pumps, LLC Only TEA offers high velocity cooling jackets in the combustion zone on its Direct Contact Water Heaters. By precisely controlling the velocity of water thru special cooling channels, the temperature of the inner structural walls can be maintained near cooling water temperatures. Evaporator | Article about Evaporator by The Free Dictionary Direct-fired evaporators: those in which the flame and combustion gases are separated from the boiling liquid by a metal wall, or heating surface. 3. Stem-heated evaporators: those in which steam or other condensable vapor is the source of heat, and in which the steam condenses on one side of the heating surface and the heat is transmitted ...    Read More