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After the Advanced SEAL Delivery System's cancellation, the Navy pursued the Joint Multi-Mission Submersible, although this follow-on program was abandoned in 2010 over cost concerns. [13] These abandoned programs, and the currently operational SEAL Delivery Vehicle, are to be replaced by the Shallow Water Combat Submersible. [9] [14]
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]
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.
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.
KOS+ M openwell submersible pump. Small-scale sewage pumping is normally done by a submersible pump.. This became popular in the early 1960s, when a guide rail system was developed to lift the submersible pump out of the pump station for repair, and ended the dirty and sometimes dangerous task of sending people into the sewage or wet pit. [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.
The ASDS was canceled in 2009 due to cost overruns and the loss of the prototype in a fire. [10] [11] The Navy currently plans to replace the SDV with the Shallow Water Combat Submersible (SWCS), which will be designated the Mark 11 SDV. [2] The SWCS was expected to enter service in 2019.
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]
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