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Alfa Laval (continued) For U.S. Navy combatant vessels, the Alfa-Laval plate heat exchanger has met and passed the require- ments of both MIL-STD-167-1 vi- bration and MIL-STD-901C shock for Grade A, Class 1, hull-mounted machinery. Applications from 0-1,000 gpm in- clude seawater to fresh water, sea- water to oil, and fresh water to fresh water. Alfa-Laval is offering free color brochures on their line of marine plate heat exchangers. Through the use of color photographs, drawings, tables and explanatory text, the brochures fully detail the features and advantages of Alfa-Laval PHEs. For your free copies, Circle 36 on Reader Service Card Constant-Tension Winch For Handling Rescue Boats Offered By Braden The Braden Model PD12C-CT constant-tension davit winch and control system has been developed to reduce the risks involved when launching and recovering small boats over the side of a ship. During a launching operation, slack cable is available automati- 6-Watt Horizon/Hand-Phone 6 V m Qtandard's marine handhelds are the W O professional's choice where com- jJ munications performance and reliability count. On the bridge, on deck, under tow— even in potentially explosive environments— there's a Horizon marine handheld suited to your exact need. • New Horizon Hand-Phone 6 Boasts 6 Watts of Talk Power The new Horizon Hand-Phone 6 is a portable shipboard communications center with 6 Watts transmit power, microprocessor function control and 65 U.S., International or Canadian channels with user-programmable high-speed scan—plus 10 expansion chan- nels for use when they are allocated by the FCC. Other features include instant access of channel 16 and weather channels, large LCD backlit display, transmit light, and twist-off, rechargeable battery pack, and a complete line of accessories. 5-Watt HX500 Series Intrinsically Safe Choose the Intrinsically Safe HX500 Series for Potentially Hazardous Environments The HX500 Series handhelds, available in VHF and UHF, are rated intrinsically safe by Factory Mutual for use in most explosive environment applications. The versatile HX500 features transmit power output to 5 Watts, up to 6 channels, and a rechargeable battery pack. More information on the complete line of Horizon marine handhelds is available from your authorized Standard Communications Marine Products dealer, or by contacting: Standard p® Communications P.O. Box 92151 Los Angeles, CA 90009-2151 213/532-5300 .the marine radio people Represented in Canada by: Cardon Communications. Inc., Hamilton, Ontario 416/527-1040 VHF Marine Radios • Marine Instruments • Reverse Osmosis Desalinators The Braden Model PD12C-CT constant-ten- sion winch for handling rescue boats. cally as soon as the boat rests on the water, allowing the cable to be pulled from the winch by hand. During a recovery operation, as the boat rises and falls on the waves, the davit-winch drum will yo-yo back- wards and forwards, maintaining tension on the cable until the opera- tor is ready to hoist the boat from the crest of a wave. This prevents the boat from being buffeted by the waves and avoids most of the shock loads that occur when a convention- al davit winch is used. All control functions for the winch are provided by a single control lever. The winch is designed to meet SOLAS requirements for factors of safety, brake capacity and gravity lowering, etc. Provision can be made for hoisting by means of a hand crank where required. The winch is rated at 6,500 pounds line pull at speeds up to 200 fpm based on 2,200 psi and 54 gpm for the hoisting and lowering func- tion. Line speeds in excess of 560 fpm can be provided with cable ten- sion between 150-400 pounds de- pending on cable speed and direc- tion in the constant-tension mode. For more information and free lit- erature on Model PD12C-CT con- stant-tension davit winch from Braden, Circle 7 on Reader Service Card New Wooster Catalog Lists Anti-Slip Safety Stair/Walkway Products Wooster Products Inc. of Woos- ter, Ohio, recently published a 20- page catalog on the anti-slip safety stair and walkway products manu- factured by the company. Included in the three-hole-punch catalog are Spectra® safety treads, specified for best architectural aes- thetics, heavy pedestrian traffic use, matching or contrasting color decor, indoor, outdoor use; Supergrit® safety treads, specified for heavy pedestrian traffic use, excellent safety protection at low cost, indoor, outdoor installation, new construc- tion or renovation; abrasive cast safety treads and nosings, structural treads and platforms, thresholds, specified for maximum durability in rough use, indoor or outdoor, resis- tance to unusual corrosive environ- ments, new constructions or renova- tion; safety resurfacer, paint, press down treads, specified for loading docks, aisleways, ramps, corridors, kitchens, showers, work areas, lad- ders, steps and roiling equipment. Also included is a section giving installation tips and types of fasten- ers available, and installation de- tails for Wooster safety treads. For more information and a free copy of the catalog from Wooster Products, Circle 80 on Reader Service Card Circle 210 on Reader Service Card
