Although the original users of hydraulically driven water pumps were contractors, farmers, and open pit miners using mostly portable pumps, the system described here offers the advantage of permanent pump stations, such as might be used for municipal storm drainage (Figure 6) or massive irrigation or drainage works.

The system is very simple. The power source can be located close to the pump or in a more accessible or protected area. Other advantages include the ability to vary the speed

FIGURE 6 A 350,000-gpm (79,500-m3/h) municipal pump station for combination storm drainage and final sewage effluent (M & W Pump)

FIGURE 7 Five 42-in (107-cm) double-staged hydraulically driven water pumps with design flows automatically varying from 0 to 50,000 gpm (0 to 11,550 m3/h) (M & W Pump)

FIGURE 8 Hydraulic drives are much simpler than other types of electromechanical equipment and provide a wide speed range, variable-speed and reversing capability, and shock resistance at a relatively low cost.

of the water pump by regulating the amount of hydraulic oil sent to the motor, the ease of automation for automatic or remote control, and safety because there is no high-voltage electricity in the water (Figures 7 and 8).

Survival Treasure

Survival Treasure

This is a collection of 3 guides all about survival. Within this collection you find the following titles: Outdoor Survival Skills, Survival Basics and The Wilderness Survival Guide.

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