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2. Gate valve - Wikipedia

   en.wikipedia.org/wiki/Gate_valve

   Gate valves may have flanged ends drilled according to pipeline-compatible flange dimensional standards. Gate valves are typically constructed from cast iron, cast carbon steel, ductile iron, gunmetal, stainless steel, alloy steels, and forged steels. All-metal gate valves are used in ultra-high vacuum chambers to isolate regions of the chamber ...

3. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Valves are available in several types, based on design and purpose: Gate, plug, or ball valves – Isolation; Globe valve – Throttling; Needle valve – Throttling, usually with high precision but low flow; Butterfly or diaphragm valves – Isolation and throttling; Check valve – Preventing reverse flow (non-return)

4. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   The inside of an extremely large butterfly valve Duplex ball valve Three check valves in corrosion-resistant Hastelloy Stainless steel gate valve. Valves can be categorized into the following types, based on their operating mechanism: Ball valve, for on–off control without pressure drop. Ideal for quick shut-off, since a 90° turn completely ...

5. Ball valve - Wikipedia

   en.wikipedia.org/wiki/Ball_valve

   The handle lies flat in alignment with the flow when open, and is perpendicular to it when closed, making for easy visual confirmation of the valve's status. [2] The shut position 1/4 turn could be in either clockwise or counter-clockwise direction. Ball valves are durable, performing well after many cycles, and reliable, closing securely even ...

6. Piping and instrumentation diagram - Wikipedia

   en.wikipedia.org/wiki/Piping_and_instrumentation...

   Pressure reducing valve: Valve: Gate valve: Control valve: Manual valve Check valve: Needle valve: Butterfly valve: Diaphragm valve: Ball valve: Check valve: Back draft damper Bag Gas bottle: Globe valve: 3-way valve Piston or reciprocating compressor: Relief valve: Rupture disc: Turboexpander: Centrifugal pump: Reciprocating pump

7. NYT ‘Connections’ Hints and Answers Today, Saturday, December 14

   www.aol.com/nyt-connections-hints-answers-today...

   1. Different varieties of an aquatic creature. 2. These words are typically heard when you're placing a bid on something. 3. Related to money and/or monetary units. 4. All of the terms in this ...