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2. B16 Standardization of Valves, Flanges, Fittings, and Gaskets

   en.wikipedia.org/wiki/B16_Standardization_of...

   Membership on the B16 Standards Committee [1] and its Subordinate groups include a variety of representations from the field in various interest classifications. These interest classifications are; Manufacturer, Distributor, Material Manufacturer, Consumer/User, Designer/Constructor, Regulatory, Insurance/Inspection and General Interest.

3. 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 ...

4. Christmas tree (oil well) - Wikipedia

   en.wikipedia.org/wiki/Christmas_tree_(oil_well)

   It consisted of a T-valve, with a 6-inch (150 mm) and 8-inch (200 mm) valve on the vertical pipe, and a 6-inch valve on the horizontal pipe. The vertical valve was closed first, and then the valve to the horizontal pipe. [1] [2] Christmas trees are used on both surface and subsea wells.

5. Valve actuator - Wikipedia

   en.wikipedia.org/wiki/Valve_actuator

   Just like there is a multitude of valves there is also a multitude of valve attachments. Dimensions and design of valve mounting flange and valve attachments are stipulated in the standards EN ISO 5210 for multi-turn actuators or EN ISO 5211 for part-turn actuators. The design of valve attachments for linear actuators is generally based on DIN ...

6. Sluice - Wikipedia

   en.wikipedia.org/wiki/Sluice

   Flap sluice gate A fully automatic type, controlled by the pressure head across it; operation is similar to that of a check valve. It is a gate hinged at the top. When pressure is from one side, the gate is kept closed; a pressure from the other side opens the sluice when a threshold pressure is surpassed. Vertical rising sluice gate

7. Searchers don’t expect to find Pennsylvania woman alive in ...

   www.aol.com/searchers-don-t-expect-pennsylvania...

   Pollard’s family called police at about 1 a.m. Tuesday to say she had not been seen since going out at about 5 p.m. Monday to search for Pepper, her cat.