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FOR MORE INFORMATION ON EQUIPMENT AND SERVICES ADVERTISED IN THIS ISSUE CIRCLE THE APPROPRIATE NUMBER ON READER SERVICE CARD OPPOSITE ^ EQUIPMENT CIRCLE EQUIPMENT CIRCLE ADVERTISER /SERVICE NO. ADVERTISER /SERVICE NO. ADAMS & PORTER INSURANCE 163 MASONITE JOINER PANELS 110 ADVANCED STRUCTURES PANELS/DOORS 245/246 MORAN TOWING TOWING SERVICES 176 BARDEX SHIPLIFT SYSTEMS 205 NASSCO . . . VESSEL CONSTRUCTION/REPAIR 123 BEAUFORT MARINE SAFETY 190 NEWMAR . . . . ELECTRONIC POWER SUPPLIES 165 CMC COMMUNICATIONS TV ANTENNA SYSTEMS 130 OMNITHRUSTER THRUSTERS 315 DRAVO CORPORATION MARINE EQUIPMENT 271 RAMPMASTER GANGWAYS 243 ENVIROVAC, INC SEWAGE TREATMENT 327 RAYTHEON MARINE .... NAVIGATION COMMUNICATION EQUIPMENT 141 ESGARD . . CORROSION CONTROL/COATING 155 ROCKY MT. ENERGY HULL CLEANING SYSTEM 179 FRED DEVINE .... TOWING/SALVAGE SERVICES 212 SQUIRE COGSWELL COMPANY . . AIR COMPRESSORS 118 FRITZ CULVER WINCHES 174 THERMAL REDUCTION CORROSION CONTROL 191 HARDWARE SPECIALTIES FASTENERS 275 TODD SHIPYARD . . . VESSEL CONSTRUCTION/REPAIR 173 WM HARGROVE INSURANCE 167 TOTAL TRANSPORTATION SYSTEMS i . SHIPYARD PRODUCTION SYSTEMS 151 HELESHAW HYDRAULICS HYDRAULICS 302 UNAFLEX RUBBER COMPANY . . MARINE PRODUCTS 139 HIGH STRENGTH QA STEEL, INC. . . STEEL 107 VERREAULT NAVIGATION, INC. . . DREDGING/CONSTRUCTION/REPAIRS 294 HITACHI ZOSEN VESSEL CONSTRUCTION 313 WASHINGTON CHAIN & SUPPLY . MARINE PRODUCTS 220 IMA MARKETING GUIDES 346 WESTPORT SHIPYARDS . . . VESSEL CONSTRUCTION/REPAIR 127 JAMESBURY CORP VALVES 227 GJ WORTELBOER ANCHORS/WINCHES/CHAINS 321 JERED BROWN VESSEL REPAIR 224 ZIDELL EXPLORATION BARGE SALES 221 MCALLISTER BROS TOWING SERVICES 333 i f The offshore supply vessel 'Doc Tide' after conversion by Bender Shipbuilding. Bender Shipbuilding Converts Two Offshore Supply Vessels For Tidewater Marine Bender Shipbuilding & Repair Co., Inc. of Mobile, Ala., recently re- delivered two offshore supply ves- sels to Tidewater Marine Services, Inc., New Orleans, La., after com- pleting extensive conversions. The Doc Tide and Darol Tide were lengthened by 16 feet to ac- commodate liquid mud tanks and chain lockers, making the new over- all length 216 feet. Both vessels are equipped with a more efficient, 55-inch diameter Bird-Johnson 35/3S/FP bow thrust- er which develops 16,050 pounds of thrust; a Fritz Culver releasable ca- ble stop; and a GM 4V71 diesel engine which was added to drive the four Mission Viking liquid mud pumps. Each pump can transfer 850 barrels per hour. Bender also car- ried out routine drydocking and re- pairs on the two vessels. Tidewater Marine Service, Inc., a division of Tidewater Inc., operates one of the world's largest offshore service fleets. Aside from its well-known new construction capabilities, Bender Shipbuilding & Repair is a leading ship repair facility on the Gulf Coast with three floating drydocks of up to 18,000 tons of lifting capac- ity. For full details on the services offered by Bender, Circle 44 on Reader Service Card Fuel Management Systems Lease Program Introduced By DiFlo International DiFlo International recently an- nounced that the company is intro- ducing a monthly lease program for its Series 1000 Fuel Management Systems as an alternative to an out- right purchase, according to Thom- as E. Prosser, DiFlo president. Available to financially qualified operators of vessels and fleets in the inland waterways and offshore, the leasing program has been designed to eliminate the initial outlay of capital for the purchase of the equipment and to allow the operator to immediately lower operating ex- penses from lower fuel costs. The lease can be structured up to 36 months, depending on the cus- tomer's needs, with an option to purchase the system for a small per- centage of the original purchase price. Depending on its tax struc- ture, the customer may also choose to take advantage of the Investment Tax Credit with the lease. Installa- tion of the system and training of key wheelhouse/bridge personnel is also included in the DiFlo Lease Program. "Based upon savings documented by customers currently using the Series 1000, and combined with an estimated daily lease cost in the $13 to $15 range, we believe that an operator can gain the advantage of a 10 to 30 percent fuel savings," Mr. Prosser stated. "Depending on the daily fuel costs for a vessel, the daily accumulation of these savings can be very attractive to fleet managers working in a competitive industry currently characterized by signs of slow growth in the short term," he added. "In addition to the direct benefits associated with lower fuel costs. operators have experienced reduced expenditures for lubricants and maintenance when they find they can run their engines at the lower rpm indicated by the DiFlo Sys- tem," Mr. Prosser concluded. DiFlo International, Inc., from its headquarters in Houston, Texas, designs, manufactures, markets and installs a line of computer-based fuel management systems for inter- nal combustion engines fueled by diesel or natural gas in the marine, and oil and gas and transportation industries throughout the United States and internationally. For further information on Di- Flo's new leasing program for its fuel management systems, Circle 56 on Reader Service Card New Control Valve By Pittsburgh Brass —Literature Available Pittsburgh Brass Manufacturing, Irwin, Pa., has introduced the pres- sure logic valve, a new concept in directional control for fluids, gases and air. The operating principle incorpo- rates a unique "sliding stopple" that logically shuttles back and forth to direct media flow. With its short travel stroke, motivated by low cost air pressure, (20 psi max) thousands of cycles have been accomplished without any sign of wear. These full port valves reduce the cost of a piping system, with one P.L.V. taking the place of two 2-way valves and in some cases a more costly three or four way multi-port valve with a standard actuator. Available in % through 4-inch sizes with screwed, grooved or flanged ends. For a catalog describing the pres- sure logic valve, Circle 57 on Reader Service Card 40 Maritime Reporter/Engineering News
