Cooling Towers Certified by CTI Under STD-201

As stated in its opening paragraph, CTI Standard 201... "sets forth a program whereby the Cooling Technology Institute will certify that all models of a line of water cooling towers offered for sale by a specific Manufacturer will perform thermally in accordance with the Manufacturer's published ratings..." By the purchase of a "certified" model, the User has assurance that the tower will perform as specified, provided that its circulating water is no more than acceptably contaminated-and that its air supply is ample and unobstructed. Either that model, or one of its close design family members, will have been thoroughly tested by the single CTI-licensed testing agency for Certification and found to perform as claimed by the Manufacturer.

CTI Certification under STD-201 is limited to thermal operating conditions with entering wet bulb temperatures between 12.8°C and 32.2°C (55°F to 90°F), a maximum process fluid temperature of 51.7°C (125°F), a cooling range of 2.2°C (4°F) or greater, and a cooling approach of 2.8°C (5°F) or greater. The manufacturer may set more restrictive limits if desired or publish less restrictive limits if the CTI limits are clearly defined and noted in the publication.

Following is a list of cooling tower models currently certified under STD-201. They are part of product lines offered by Advance GRP (Advance) Cooling Towers, Pvt., Ltd.; Aggreko Cooling Tower Services; Amcot Cooling Tower Corporation; AONE E&C Corporation, Ltd; Baltimore Aircoil Company, Inc.; Delta Cooling Towers, Inc.; Evapco, Inc.; Fabrica Mexicana De Torres, S.A (Reymsa Cooling Towers).; HVAC/R International, Inc.; Imeco, div of York International; Ltd; KIMCO (Kyung In Machinery Company, Ltd.); Liang Chi Industry Company, Ltd.; Mesan Cooling Tower, Ltd; Polacel b.v.; Protec Cooling Towers; Ryowo (Holding) Company, Ltd; SPX (Marley) Cooling Technologies; The Cooling Tower Company, L.C; The Trane Company; Tower Tech, Inc; and Zhejiang Jinling Refrigeration Engineering Company who are committed to the manufacture and installation of fullperformance towers. In competition with each other, these manufacturers benefit from knowing that they each achieve their published performance capability. They are; therefore, free to distinguish themselves through design excellence and concern for the User's operational safety and convenience.

Those Manufacturers who have not yet chosen to certify their product lines are invited to do so at the earliest opportunity. You can contact Virginia A. Manser, Cooling Technology Institute, PO Box 73383, Houston, TX 77273 for further information.