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2. Flowserve - Wikipedia

   en.wikipedia.org/wiki/Flowserve

   Headquartered in Irving, Texas, which is in the Dallas–Fort Worth Metroplex, Flowserve employs close to 16,000 employees in more than 50 countries. [6] Flowserve sells products and offers aftermarket services to engineering and construction firms, original equipment manufacturers , distributors, and end users.

3. Dixon Valve & Coupling Company - Wikipedia

   en.wikipedia.org/wiki/Dixon_Valve_&_Coupling_Company

   Dixon Valve & Coupling Company, LLC [1] is a manufacturer and supplier of hose fittings and accessories. The company, often referred to as just Dixon, offers products for fire protection, food processing, dairy processing, beverage and brewery operations, industrial manufacturing, mining, construction, chemical processing, petroleum processing and refining, oilfields, mobile tankers and ...

4. Butterfly valve - Wikipedia

   en.wikipedia.org/wiki/Butterfly_valve

   Butterfly valve with actuator electric valve - An electrically actuated butterfly valve is a quarter-turn valve controlled by an electric motor. It offers fast and precise flow regulation, remote operation, and versatility for various applications.

5. Pilot-operated relief valve - Wikipedia

   en.wikipedia.org/wiki/Pilot-operated_relief_valve

   A separate actuator on the piping releases pressure in the line if it crosses a threshold. This releases the pressure on the back of the seal, causing the valve to open. The essential parts of a PORV are a pilot valve (or control pilot), a main valve, a pilot tube, the dome, a disc or piston, and a seat. The volume above the piston is called ...

6. Norris Production Solutions - Wikipedia

   en.wikipedia.org/wiki/Norris_Production_Solutions

   Dover Artificial Lift (formerly Norris Production Solutions) [3] is an oilfield services company headquartered in The Woodlands, Texas.The company provides products and services for artificial lift during production of petroleum and natural gas.

7. Thermal expansion valve - Wikipedia

   en.wikipedia.org/wiki/Thermal_expansion_valve

   A thermal expansion valve or thermostatic expansion valve (often abbreviated as TEV, TXV, or TX valve) is a component in vapor-compression refrigeration and air conditioning systems that controls the amount of refrigerant released into the evaporator and is intended to regulate the superheat of the refrigerant that flows out of the evaporator ...