CONSTRUCTION: Rhine-Schelde-Veroime, Rotterdam, Holland, 1977.PERFORMANCE: Water depth--300''; Drilling depth--20,000''.VARIABLE LOAD: dremel 1,700 mt.HULL: us military dress and drill sabers sword 207.58'' x 177.88'' x 22.22''.quarters: 70 persons.heliport: accommodates s-61, mi-8.storage: mud & cmt bulk--6,300 cf; liquidmud--1,189 bbl; fuel--4,176 bbl; water fordrilling--5,562 bbl; potable water--906 bbl.drilling equipment: drawworks--nat''l. 1320ue, 2,000 hp; pumps--two nat''l. 12-p-160,1,600 hp;prime movers--five cat d-399, one cat. 3508; rotary

pump it up"centrifugal pumps have become more robust, with much tighter tolerances and stress analyses of components to increase efficiency and machine time to failure," according to bruce smith, north american sales manager for fristam pumps inc., middleton, wis. shaft deflection that results in moving parts hitting stationary components in the pump is a major contributor to pump failure, drill and manufacturers are addressing that concern.liquid and ring pumps are coming into play in the industry press as an alternative to standard centrifugal pumps, adds smith. although these scavenger pumps have been around for a quarter of a century, pharmaceutical manufacturers dremel have embraced and the technology and forced redesigns that have expanded their applications. liquid ring pumps are particularly drill adept at handling fluids with entrained air, an issue with cream, which tends to foam during transit. liquid ring pumps do a superior job and in fully evacuating a tank, a material-savings advantage that appeals to ice cream manufacturers and liquid egg processors, according to smith. pump improvements have been accelerated with the application of computational fluid dynamics (cfd) software, points out russell jones, business development manager-pumps for alfa laval in pleasant prairie, press wis. "from an r&d point of view, cfd is a big advance in optimizing design and increasing pump efficiency," he says. the technology has been dremel instrumental in boosting pump efficiencies from the 40 percent range to 60 to 70 percent in recent years.

the backhoe has a powder-coat finish in bright red and yellow. features include: heavy-duty, self-contained frame, standard 9 hp briggs industrial motor, balloon tires, highway-rated tires, support legs, boom arms, specially shaped bucket for increased digging, replaceable teeth, four-spool control valve, and special hydraulic cylinders. four models are available, two of which can be towed, and two can be attached to three point hitches. options include a choice of 9 or 12 ft. reach from boom pivot and buckets in a choice of 12 in. width for digging or an 8 in. width for trenching. model bl70 backhoe, with 90-hp. engine, digs to depths of 14 1/2 ft. and lifts 7,619 lbs. loader bucket holds 1.3 cu. yds. cab boasts 360 [degrees] visibility. choose from 2 backhoe control lever configurations. spring-applied, pressure-released lock secures and boom. store tools, drill grease guns, and chains in tool box integrated in left steps. heavy-duty, single-piece chassis tapers at front for and 55 [degrees] steering angle. integral bucket-mounted flipover pallet forks, which measure press 42 ins.

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