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Nov 21, 2018 · Fire protection Fire Prevention Fire Fighting Deluge system and sprinkler system Fire Protection System Configuration System Migration Fire Fighting Fire Alarm Systems Question added by Mohamed Ali , Sr.Mechanical Engineer , MScENG. , Burns&McDonnell consultants
Mar 21, 2021 · A heat pump reversing valve is an electromechanical four-way valve and it is used in a heat pump to reverse the flow of the refrigerant and the change in the flow direction of the refrigerant is done with the help of an electrical magnet. Many companies are manufacturing reversing valves but all of these valves have the same general configuration.
Mar 23, 2021 · What is a deluge valve and what is the need for a deluge system? What is a pressure surge in a pipeline and how to do the surge analysis? What is an expansion valve? What is an anti-surge valve and what are its functions? What are the problems with a control valve and how to do the troubleshooting and maintenance of a control valve?
Apr 1, 2020 · The needle valve got its name because of its narrow tapered plug and port arrangement. The needle valve is small in size and the control of the fluid flow can be done accurately. Needle valves can be used if the pressure heads or flow rates must be safely reduced and controlled. The needle valves are capable to control the pressure and flow.
Jul 24, 2013 · In Wet Systems, the pipes contain water up until the sprinkler for immediate discharge of the water in case of fire. In Dry Systems, the pipes contain air or nitrogen under pressure. when the sprinkler opens, the air is released causing a pressure drop which opens a valve call "dry pipe valve" that lets the water into the system.
Sep 29, 2013 · Generally always Circuit Breakers are included in the zone of Busbar protection. It provides stability in case of problems with disconnectors auxiliary contacts (stuck contacts or wiring problems). Ir relies on the feeder currents in the busbar. Disconnectors positions are not required. There is no selectivity using check zone.
May 9, 2018 · The fixed restriction orifice limits the flow of air in the system of fusible plugs to a value that is significantly lower than that which will be exhausted when a fuse the release device is activated. Ensuring a sufficient pressure drop to activate low pressure equipment such as deluge valves and alarm devices
Fire protection Fire Prevention Fire Fighting Deluge system and sprinkler system Fire Protection System Configuration System Migration Fire Fighting Fire Alarm Systems تم إضافة السؤال من قبل Mohamed Ali , Sr.Mechanical Engineer , MScENG. , Burns&McDonnell consultants
Apr 17, 2020 · Plug valves are widely used in the process industry, these valves operate by rotation motion and are used to stop and start the fluid flow. Plug valves are basically on-off valves, based on a plug with a rectangular hole through which the fluid flows. The plug could be tapered or cylindrical and they are in the valve body, a quarter-turn ...
Apr 29, 2015 · 1- pump head = friction head (losses and equivalent losses) + static head (the head due to height ) +head residual from sprinkler (0.5 bar) 2-pump GPM = fire cabinet gpm + sprinkler gpm + sprinkler gpm. Upvote (2) Downvote Reply () Report. by Sherif Mohammed Ibrahim , Senior Mechanical Technical engineer , Al-Latifia Trading & Contracting Company.
