Page 75: of Maritime Reporter Magazine (April 1989)

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Folk Disc Couplings

Feature Fast Assembly,

High Reliability "Fit-em and forget-em" disc cou- plings, combining unitized disc- packs for fast assembly with the rugged reliability offered from all- steel components, are now available from The Falk Corporation.

The heart of a disc coupling is a series of stainless steel plates held together in a laminated pack with high-strength alloy steel bushings and washers. These components form a unitized discpack for faster assembly and the elimination of loose parts. Flexibility is achieved when the laminated discpack bends between the driving and driven bolts.

Falk disc couplings feature no wearing parts to replace and require no lubrication, making them vir- tually maintenance free. Since there is no grease or oil to deal with, the couplings are not sensitive to hot or cold environments, and there is no danger of fluid leakage or contami- nation.

All component parts of Falk disc couplings are phosphate coated to resist corrosion, further extending the life of the unit.

The Falk Corporation, Milwau- kee-based subsidiary of Sundstrand

Corporation, is a major manufactur- er of industrial power transmission machinery, including standard and custom gear drives, flexible shaft couplings, backstops, fluid power drives, and fluid couplings.

For additional information on

Falk disc couplings,

Circle 22 on Reader Service Card

Magnavox Introduces

Latest In Series

Of GPS Data Outputs

The latest in Magnavox's growing line of GPS products is the MX 5400R, a "black-box" navigation re- ceiver that provides GPS data out- puts to a Magnavox MX 4102 OR

MX 5102 transit satellite navigation receiver.

The MX 5400R is a two-channel

C/A-Code GPS receiver that re- ceives and processes signals from orbiting satellites in the new Global

Positioning System (GPS). The sat- ellite signals are used to calculate a vessel's position and speed with a high degree of accuracy. The MX 5400R has no operating controls, and can be tucked away in any out- of-the-way location. GPS-derived data is formatted and transmitted to the MX 4102 or MX 5102, which acts as the display/control panel for the system.

Although the GPS satellite net- work is not yet fully operational,

Magnavox is already offering a vari- ety of GPS user equipment, giving users an opportunity to get an early start with the new system. GPS sat- ellite coverage is currently available for marine navigation up to 9-10

April, 1989 hours per day, using the six active prototype Block 1 satellites now in orbit. They will be supplemented, starting in early 1989, with addi- tional Block 11 satellites, and the system will be providing continuous worldwide position fixing by mid- 1990. Eventually, GPS will super- sede and replace the older Transit satellite navigation network, which has been in service since the 1960s.

The MX 5400R navigation receiv- er is specifically designed to work with Magnavox's popular MX 4102 and MX 5102 Transit satellite navi- gation receivers. Magnavox has de- veloped new software for its Transit receivers that permits the MX 4102 or 5012 to function as control center for the GPS receiver.

Interfacing the MX 5400R GPS module provides the MX 4102 or

MX 5102 user with the best satellite navigation performances available during the transition period , be- tween Transit and GPS and beyond.

And, unlike land-based radionavi- gation systems such as Loran-C, which depend on shore-based trans- mitters, the Transit and GPS sys- tems are available anytime, any- where.

For more information and free lit- erature from Magnavox,

Circle 43 on Reader Service Card


Magiucator" —' Liquic


Circle 310

Magnetic Liquid




Electro Eye-Hye *

Boiler Water

Monitoring and

Control Systems

Circle 256


Welding Pad


Circle 257

TUbular Liquid

Level Gages

Circle 258

Sight Flow


Circle 259


Jacoby-T erguson.


By far the most complete lines of sight flow indicators, liquid level gages, boiler controls— and all the trimmings. For shoreside and ship- board applications. Including an extensive choice of military units, Most have been shock- and vibration-tested. All available from Clark-Reliance.. .your single source for the best solutions to problems involving the observation, measurement and control of fluids in use under difficult or hazardous con- ditions. Please call or write our Government

Sales Department for comprehensive information,

The Clark-Reliance Corporation, 16633 Foltz Industrial

Parkway, Strongsville, Ohio 44136, USA. Phone: (216) 572-1500.

Fax: (216) 238-8828.


Clark-Reliance/Jacoby-Tkrbox/Anderson 'Jerguson

Expanding Our Family Of Products lb Serve You Better

GEMS Level Switches for

Shipboard Service.

Where high reliability is required for monitoring liquid levels and signaling alarms.

There's a GEMS switch to meet all types of marine liquid level monitor and control levels, signal alarms, and to provide oil/water interface. Ideal for use with diesel engine fuel tanks, lube oil reservoirs, ballast, bilge, or oil sump tanks or for other common shipboard uses. 58000 Series

Single or Multi-Level


Custom-made switches, using standard components, are supplied with various mounting methods, lengths, floats, materials, etc. to suit the application.

Externally Mounted Switches.

LS-35565 (brass)/LS-56060 (stainless steel).

For use where access to inside of tanks is limited such as on lube oil or fuel day tanks. Custom-length » housings Provide ease of maintenance and tank cleaning.

Slosh Shielded Switches.

For corrosive or turbulent liquids.

Made entirely of CPVC plastic, these low-cost switches are supplied with either mounting holes or NPT mount- ing. Suited for bilge level indication, slosh tanks and other leak detection locations. Compatible with seawater. many fuels, and hydraulic and lube oils.

With Intrinsic Safety.

Zener Barrier Safe-Pak relays, FM approved, from

GEMS provide intrinsically safe operation when nterfacing level switches with your AC or DC loads

For application information, call toll-free: (800) 321-6070.

In Connecticut call: (203) 677-1311.

Imo Industries Inc.

Gems Sensors Division

Cowles Road, Plainville, CT 06062 (203) 677-1311 L01'

Visit Booth 8A, ASNE Show

Circle 253 on Reader Service Card 77

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First published in 1881 Maritime Reporter is the world's largest audited circulation publication serving the global maritime industry.