Ball Valves Articles

  • Maintaining a pressure reducing valve: 5 things to check

    Like your car, your body and nearly every appliance you own, control valves require regular maintenance to continue working efficiently. However, due to budget and time constraints, we don’t always give our valves the TLC they need to perform at their best. Unfortunately, ignoring pressure reducing valves can mean serious ...


    By Singer Valve Inc.

  • Features of Pull Rod Welding Ball Valve

    Pull rod welding ball valve has impressive performances in various industries. Because of excellent properties and high reliability, pull rod welding ball valve attracts more attentions than cast steel ball valve. Currently, pull rod welding ball valve has been widely applied in urban gas, urban heating, petrochemical industry, shipbuilding, steel and other industries. The followings are the ...

  • Xinhai Statement of the Implement Valve Standards

    Following are the design, manufacture and inspection standards of our company.   Check Valve: API 6D 24th Specification for Pipeline and Piping valves BS 1868-1975(R1990) Specification for Check Valves (Flanged and Butt-welding Ends) for the Petroleum, Petrochemical and Allied Industries EN14341-2006 Industrial valves —Steel Check Valves ...

  • Keeping Your Control Valves in Good Health

    Whether that brand new control valve in your system is the first one you have ever had to look after or if you are an old hand at valve maintenance with tens of valves in your system, there are a few simple guidelines and reminders for keeping it operating at optimal performance. It’s important to physically check valves at least every 12 weeks or so, assuming everything is running fine in ...


    By Singer Valve Inc.

  • Don’t Let Your Control System Control You

    Regular maintenance ensures valves remain healthy. If your system is operating properly, you should physically inspect all valves at least every 12 weeks to check for tubing leaks and other abnormalities. Pressure gauges should be checked to ensure each valve is performing as designed. If you find something wrong, refer to the appropriate instruction manual, which may be available online. Because ...


    By Singer Valve Inc.

  • Control valve actuators: Their Impact on control and variability

    Sector: Oil & gas Category: Electric actuators Products: CVA Electric control valve actuators provide excellent performance and are ideal for oil and gas wells in remote production fields. Instrument air supply systems are costly and require significant energy to run. If mains power isn't available, an instrument air supply isn't ...


    By Rotork

  • Valve actuation and control in the modern refinery

    Introduction The Reliance refinery at Jamnagar in India is one of the largest single refinery sites in the world and virtually all of its valves are motorised with Rotork actuators. Almost 3000 Rotork IQ intelligent valve actuators were installed during the construction of the original refinery, tank farm and power station in the late 1990s, together with a Rotork Pakscan 2E two-wire ...


    By Rotork

  • Control valve actuators: their impact on control & variability

    New electric control valve actuators provide significant control and reduced variability benefits over compressed air actuators in a wide range of process applications, resulting in superior control performance, fewer maintenance problems and energy savings. In a process plant, the general function of a control valve is to restrict the opening of the valve so it affects the flow or pressure of ...


    By Rotork

  • Case study - San Francisco Public Utilities Commission (SFPUC)

    Service: Sahara Leak Detection Client: San Francisco Public Utilities Commission (SFPUC) Project Date: 2004 Type of Pipelines: Transmission Mains Diameter: 42 and 54-inch Pipe Material: Cast Iron Steel Length: 1.72 miles The San Francisco Public Utilities Commission (SFPUC) provides water to 2.4 million people in San Francisco, Santa Clara, Alameda and San Mateo ...


    By Pure Technologies

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