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External access point for fire sprinkler and dry standpipe at a building in San Francisco, US Antique wet standpipe preserved at Edison and Ford Winter Estates. A standpipe or riser is a type of rigid water piping which is built into multi-story buildings in a vertical position, or into bridges in a horizontal position, to which fire hoses can be connected, allowing manual application of water ...
Top risers are advantageous because they take up less space in the flask than a side riser, plus they have a shorter feeding distance. If the riser is open to the atmosphere it is known as an open riser, but if the riser is completely contained in the mold it is known as a blind riser. An open riser is usually bigger than a blind because the ...
A manhole cover is a removable plate forming the lid over the opening of a manhole, an opening large enough for a person to pass through that is used as an access point for an underground vault or pipe. It is designed to prevent anyone or anything from falling in, and to keep out unauthorized persons and material.
Meroka on Spanish aircraft carrier Principe de Asturias. The Meroka CIWS is a Spanish Navy 12 barrelled 20 mm close-in weapon system (CIWS), using twelve Oerlikon 20 mm/12 guns mounted in 2 rows of 6 guns each. [1] [2] The system's primary purpose is defence against anti-ship missiles, and other precision guided weapons. However, it can also be ...
Riser clamp for a standpipe through-penetration firestop inside a fire hose cabinet under construction. A riser clamp is a type of hardware used by mechanical building trades for pipe support in vertical runs of piping (risers) at each floor level. The devices are placed around the pipe, and integral fasteners are then tightened to clamp them ...
Drilling riser joints with buoyancy modules. A drilling riser is a conduit that provides a temporary extension of a subsea oil well to a surface drilling facility. Drilling risers are categorised into two types: marine drilling risers used with subsea blowout preventer (BOP) and generally used by floating drilling vessels; and tie-back drilling risers used with a surface BOP and generally ...
The RLWI enable subsea well intervention without having to use a drilling riser package connected to the subsea stack (blowout preventer system). The technology is based on wireline well maintenance, where the cable is routed via a subsea lubricator system [ 1 ] into the subsea well. [ 2 ]
Riser card, a printed circuit board which extends connectors away from another board; Riser, a skateboard component which increases the space between the wheels and the deck; Riser, the center section of a recurve bow; Parachute riser, strip of webbing joining the harness to the rigging lines; Riser (casting), a reservoir in a manufacturing mold