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2. Air-operated valve - Wikipedia

   en.wikipedia.org/wiki/Air-operated_valve

   Three-way valves may be used in pairs to operate a double-acting cylinder, thus replacing a four-way valve. A primary function of the 3-way valve is to save/store air that's compressed in high cyclic applications. 4-way valves are used for systems that require higher air pressure. [3] Four-way valves are the most commonly used components for ...

3. Solenoid valve - Wikipedia

   en.wikipedia.org/wiki/Solenoid_valve

   Similarly, if the valve is closed when the solenoid is not energized, then the valve is termed normally closed (N.C.). [1] There are also 3-way and more complicated designs. [2] A 3-way valve has 3 ports; it connects one port to either of the two other ports (typically a supply port and an exhaust port).

4. Plug valve - Wikipedia

   en.wikipedia.org/wiki/Plug_valve

   A 3-way plug valve could also be designed to shift flow between ports 1 and 2, 2 and 3, or 1 and 3, and possibly even connect all three ports together. The flow-directing possibilities in multi-port plug valves are similar to the possibilities in corresponding multi-port ball valves or corresponding multi-port valves with a rotor. An additional ...

5. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   Leaf valve: one-way valve consisting of a diagonal obstruction with an opening covered by a hinged flap; Line blind valve: a thin sheet oriented perpendicular to the pipe. The sheet has a solid end and a flow-through end; sliding it from one position to the other opens or stops the flow. Also called sliding blind valve

6. Diaphragm valve - Wikipedia

   en.wikipedia.org/wiki/Diaphragm_valve

   While diaphragm valves usually come in two-port forms (2/2-way diaphragm valve), they can also come with three ports (3/2-way diaphragm valves also called T-valves) and more (so called block-valves). When more than three ports are included, they generally require more than one diaphragm seat; however, special dual actuators can handle more ...

7. 6 ways for seniors and retirees to save on homeowners insurance

   www.aol.com/finance/ways-seniors-save-homeowners...

   The average cost of a homeowners policy has risen more than 30% since 2020. Despite rising costs, you can still find ways to save, especially for seniors. See money-saving tips to save you money ...