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Mark Controls Expands SD Butterfly Control Valve Line —Free Literature Available Mark Controls Corporation's Center Line Se- ries SD butterfly control valve line has been expanded to include the SDT, a heavy duty, 300-psi rated valve. The SDT, as well as the other series SD butterfly control valves, have been designed for low-flow-rate-control applica- tions involving gaseous, liquid or slurry flow media, where tight shutoff is not required. Shut- off leakage capabilities for these valves range from 0.5 percent to 2 percent of the maximum capacity for liquid flow depending on specific materials of construction and temperature pa- rameters. Series SD butterfly valves are available in standard temperature options of 500°, 850° and 1,200° F, as well as optional configurations for applications up to 1,600°F. All SD Series valves except the SDL and SDM are designed with an outboard combination radial/thrust bearing, which provides easy shaft rotation and allows the valve to be installed with the shaft in either the vertical or horizontal position. Center Line Series SD valves are wafer style butterfly valves available in sizes ranging from 2 to 36 inches. Standard construction materials are a cast iron body, ductile iron disc and corro- sion-resistant steel shaft. The valves are also available in many other material configurations to satisfy the operating parameters of almost any application. For further information and free literature on the Mark Controls Corporation's Center Line Series SD butterfly valves, Circle 67 on Reader Service Card JOINER DOORS THE NAVY'S LIGHTEST AND STRONGEST JOINER DOORS - IN STOCK AND AVAILABLE IMMEDIATELY ! Lightweight Honeycomb Doors U.S. Navy Specified TYPE 1 TYPE 2 TYPE 3 Aluminum Honeycomb *GRP/Nomex Aramid ORES Honeycomb * Steel Honeycomb TYPE 4 DOUBLE DOOR . ADVANCED STRUCTURES CORP. 235 WEST INDUSTRY COURT DEER PARK , NEW YORK 11729 (516) 667-5000 NOMEX^ARAMID IS A TRADEMARK OF DUPONT Fourth SNAME International Maritime Exposition Set For Nov. 13-15 In New York City The Fourth International Maritime Exposi- tion will be held at the New York Hilton Hotel in New York City on November 13-15, 1985, in conjunction with the 93rd Annual Meeting of The Society of Naval Architects and Marine Engineers. Industry professionals from around the world and in every phase of maritime life are expected to participate in these meetings. At the 1984 Exposition, 25,000 square feet of floor space was rented to companies that exhibited to 3,251 attendees. Companies wishing to exhibit during the 1985 Exhibition should get in contact with the man- agement firm, Reber Friel Company, King of Prussia, Pa. 19306, phone (215) 265-0825. Shipbuilding Standards Groups Seeking Participants ASTM Committee F-25 on Shipbuilding, and The Society of Naval Architects and Marine Engineers (SNAME) Panel SP-6 on Marine Industry Standards, are seeking participants to join in their standards development activities. The two groups are working cooperatively to implement marine industry standards that will result in reduced costs and reduced design, con- struction, and repair time for marine vessels. At a recent meeting of F-25 and the SNAME Panel, the objectives of the Department of Defense Value Engineering Committee were dis- cussed. The DoD is investigating ways to reduce costs and improve quality by adopting ASTM industry standards, wherever possible, in lieu of Navy Military Specifications. Individuals and organizations interested in the work of Committee F-25 should contact ASTM staff manager Katharine Schaaf, ASTM Standards Development Division, 1916 Race Street, Philadelphia, Pa. 19103, (215) 299- 5529. Those interested in SNAME Panel SP-6 should contact Thomas O'Toole, Bath Iron Works Corporation, Department 56, 700 Wash- ington Street, Bath, Maine 04530, (207) 443- 3311, ext. 2943. USCG Announces Consolidation Of Three Merchant Marine Technical Branches The Coast Guard has announced that there will be a consolidation of the Merchant Marine Technical Branches of the Third Coast Guard District in New York, N.Y.; the Eighth Coast Guard District in New Orleans, La.; and the Twelfth Coast Guard District in Alameda, Calif. In addition, a Marine Safety Center will be located in the Washington, D.C., metropolitan area. The plan review duties performed by the consolidated branches will be assumed by the Marine Safety Center. For further information, contact Lt. Comdr. Charles D. Bills, Marine Technical and Haz- ardous Materials Division (G-MTH-2/12), Room 1216, U.S. Coast Guard Headquarters, 2100 Second Street, SW, Washington, D.C. 20593; (202) 426-2160, or consult the June 20 Federal Register. ANCHORS WINCHES CHAINS G.J.Wortelboer jr.B.V. Designers and Fabricators Marine and Construction Equipment • Anchor-handling and • Towing Pins Towing Winches* • Cargo Winches* • Hydraulic Tuggers • Cranes* • Anchor Windlasses • Stern Rollers • Pneumatic Monitoring • Capstans Systems • Cable Stops 'Built under license from A/S Hydraulik Brattvaag Eemhavenstraat 4 P O Box 5003 3008 AA Rotterdam Netherlands Telephone: 10/292222 a.o.h.: 1892/6970 Telex: 28393 GJWNL Circle 321 on Reader Service Card The Sea Demands The Best P.O. Box 569 Covington, Louisiana 70434 Telephone (504) 892-8216 Circle 174 on Reader Service Card c=> f? i i cz: s MANUFACTURER SERVICE REPAIR PARTS CMH HELESHAW, INC. 201 HARRISON STREET HOBOKEN, NEW JERSEY 07030 NEW YORK: (212) 267-0328 HOBOKEN: (201) 792-0500 TWX: 710-730-5224 CMH HBKN Naval CMC COMMUNICATIONS 5479 JETPORT BLVD., TAMPA, FL 33614 (813) 885-3996 MARINE TELEVISION ANTENNA SYSTEMS Circle 245 on Reader Service Card August 15, 1985 Circle 302 on Reader Service Card Circle 130 on Reader Service Card 45
