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To pump water from the tanks, there were two 24-inch (61 cm) discharge pumps on each section, each pump rated 15,000 US gallons (57,000 L) per minute. For electricity, there were two 350-kw diesel AC generators on each section, producing 440 volts 3-phase 60-cycle power. AFDBs had steam plants to run the pumps. Each section could store 65,000 ...
Dry running protection, also known as dry-run protection or dry-running protection, is a type of protection mechanism to prevent a rotor, pump or stirrer shaft from operating without any medium added, as the bearing and shaft seal might be damaged if the motor is run while dry. [1]
A dry bag is a type of flexible container which seals in a watertight manner. Dry bags are often used in kayaking, canoeing, rafting, canyoning, [1] and other outdoor activities in which sensitive items would otherwise get wet, as well as extreme sports such as skiing and snowboarding. Dry bags are used to protect electronics from water.
Submersible pumps are mounted on two vertical guide rails and seal onto a permanently fixed "duckfoot", which forms both a mount and also a vertical bend for the discharge pipe. For maintenance or replacement, submersible pumps are raised by a chain off of the duckfoot and up the two guide rails to the maintenance (normally ground) level.
A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...
The Dry Combat Submersible is 12 metres (39 ft) long and has a beam and height of 2.4 metres (7.9 ft). [4] [1] [citation needed] The submersible weighs 14 tonnes (31,000 lb) fully loaded and has a displacement of 28 tonnes (62,000 lb). [5] It can be transported in a standard 40-foot shipping container. [3]
A civilian Havas submarine [] wet sub. A wet sub is attractive to the amateur or small commercial builder since many of the problems associated with a dry sub are avoided as only the propulsion and power systems need to be waterproof and life support is much less of an issue than it is with a sealed occupant chamber.
Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...
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