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manufactured as in-line and V- type versions with outputs rang- ing from 1,790 to 8,250 bhp. The Vasa 22HF engine, with 8.66-inch bore and 9.45-inch stroke, is of- fered in 4-, 6-, and 8-cylinder in- line versions and in 12- and 16- cylinder V-type configurations, with outputs of 710 to 3,410 bhp. The Nohab F30 type engine, with 9.84-inch bore and 11.81-inch stroke, is manufactured in 12- and 16-cylinder V-type versions; output range is from 1,745 to 4,025 bhp. The Vasa 24 type en- gine with outputs from 690 to 1,460 bhp is also available. The Vasa 32 and 22 type en- gines were designed and devel- oped to operate on heavy fuel up to 380 cSt, whereas the Nohab F30 can accommodate fuel with a viscosity of 180 cSt. The Nohab F316. Among the applications for Wartsila diesels are main engines in ships for both geared and diesel-electric propulsion, auxil- iary engines for vessels, and gen- erator systems for stationary power plants. The Vasa 32 pro- vides an excellent combination as both main and auxiliary engine in the same ship, such as in car/ passenger ferries. This provides simplified maintenance routines and the advantage that all the engines can be operated on bunk- er oil. The Nohab F30 is widely used in offshore vessels, and more than one million bhp is presently in operation on such vessels and on oil rigs. The Wartsila Diesel Division recently set up a completely new engine factory in Singapore, in partnership with Keppel Ship- yard. To be known as Wartsila Power Singapore, its principal product will be the Vasa 22HF engine family. Wartsila Diesel also has a wide network of its own representatives, agents, and service stations all over the world. In the U.S., sales are handled by Wartsila Power, Inc., Marrero (New Orleans) and the West Coast branch, Wartsila Power Seattle, Inc. Wartsila Power, Inc. provides 24-hour parts and serv- ice from its workshop/office in Marrero. For additional information on Wartsila's Vasa and Nohab en- gines, Write 74 on Reader Service Card WAUKESHA ENGINE Waukesha Engine Division of Dresser Industries announced this year that it will manufac- ture a new family of large-bore marine diesel engines under a li- cense from Sulzer Brothers Lim- ited of Winterthur, Switzerland. The new engines, scheduled for production in 1982, will be called the AT25 series. They are rated from 1,230 to 4,320 maximum continuous bhp (985 to 3,223 kw) for propulsion and up to 3,040 kilowatts for ship's service elec- tric sets at 1,000 rpm. Available in four basic models —6- and 8-cylinder in-line &nd 12- and 16-cylinder Vee versions — the AT25 series engines will have a bore of 250 mm and stroke of 300 mm (9.84 by 11.8 inches) and are capable of operating on heavy fuel. The V-16 model 16V-AT25 has maximum continuous ratings of 4,320 bhp at 1,000 rpm, 4,000 bhp at 900 rpm, and 3,520 bhp at 750 rpm. Its ship's service electrical (continued on page 50) A Vasa 6R32 generating set. If you need immediate replacement parts, you need Specialists in cargo control, tank level gauging systems and immediate replacement parts. Replacement Parts Zesco understands the importance of keeping your equipment functioning. Down time is very costly. Therefore, Zesco carries a complete line of parts for all gauges, ready for immediate delivery, mostly within 24 hrs. Zesco keeps in stock, graduated, perforated, English, metric tapes, floats, negator springs and etc. If we don't have it in stock, we know where to get it. And we can deliver it to you quickly. Call us. We will minimize your down time. Retrofit Many ships must now comply with requirements of the Port and Tanker Safety Act. Zesco is equipped to provide new tank level gauging and cargo control systems, or update existing systems. Our specialists are available to survey your systems and, or do a complete retrofitting. Supervision To enhance crew and cargo safety, Zesco will supervise and assist in the proper installation of cargo control, and tank level gauging systems. This can save your company "big bucks" in later maintenance. Maintenance Due to closed loading requirements; inert gas, tank level gauging and cargo control systems must func- tion correctly. Zesco has a professional maintenance staff to program your systems. Our crews are on call 24 hours, 7 days a week and offer worldwide service. ZESCO, INC. 3694 Westchase Drive Houston, Texas 77042 Phone: (713) 978-6120 TWX 910-881-5399 October 15, 1981 Write 3432 on Reader Service Card 49
