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2. Control valve - Wikipedia

   en.wikipedia.org/wiki/Control_valve

   Control valve. A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. [1] This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level.

3. Flow control valve - Wikipedia

   en.wikipedia.org/wiki/Flow_control_valve

   Control valves can also work with hydraulic actuators (also known as hydraulic pilots). These types of valves are also known as automatic control valves. The hydraulic actuators respond to changes of pressure or flow and will open/close the valve. Automatic control valves do not require an external power source, meaning that the fluid pressure ...

4. Lockheed C-130 Hercules - Wikipedia

   en.wikipedia.org/wiki/Lockheed_C-130_Hercules

   In the 2000s, Lockheed Martin and the U.S. Air Force began outfitting and retrofitting C-130s with the eight-blade UTC Aerospace Systems NP2000 propellers. An engine enhancement program saving fuel and providing lower temperatures in the T56 engine has been approved, and the US Air Force expects to save $2 billion (~$2.58 billion in 2023) and ...

5. Space Launch System core stage - Wikipedia

   en.wikipedia.org/wiki/Space_Launch_System_core_stage

   This is reflected in aspects such as the rocket's 8.4 m (27.6 ft) diameter, identical to that of the Space Shuttle's external tank, while feedlines and ducts are designed to make use of existing valve designs and connectors. However, the core stage is also significantly different from the external tank.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Pratt & Whitney F119 - Wikipedia

   en.wikipedia.org/wiki/Pratt_&_Whitney_F119

   History The F119 resulted from the Joint Advanced Fighter Engine (JAFE) program in the early 1980s aimed at supplying the powerplant for the Air Force's Advanced Tactical Fighter (ATF). Detailed design of Pratt & Whitney's submission, designated internally as PW5000, began when the request for proposals (RFP) for JAFE, later renamed ATF Engine, was released in May 1983. Advances in engine ...