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  • How to Select a Pressure Relief Valve
    Don't make the mistake of trying to pick the right relief valve for your application based on just the size of the pipe in the system or the set pressure. Do it this way and you are almost guaranteed to be spending time trying to figure out why the valve is not doing what it is supposed to do.
  • MICRO:Product Technology News (Oct. '98, p.110)
    and a pressure-relief valve. Clamped to the base with a large O-ring, the chamber has two quick-disconnect fittings for filling and purging. The chamber is made of low-outgassing transparent molded poly- urethane which blocks UV light at a rate of 2% below 250 nm. The filter in the nitrogen input line is rated
  • Combating Droop in Self-Contained Pressure Regulators
    When qualifying valves for any pressure reduction application, there are several factors to consider. Initially, you must decide whether the application requires a control valve in order to be effective, or would a self-contained or piloted regulator be sufficient? In order to make this decision
  • Sizing up flow forces
    a nonpressurecompensated pump, relief valve, and a two-way, two-position solenoid spool valve. Theoretical results for a flow of 10 gpm and relief pressure of 3,000 psi are presented as the 0-m-n line. Test results for pilot-operated and direct-acting valves are also shown, indicating a good correlation between
  • Burst Testing
    Products such as catheter balloons, one-way valves, and pressure relief devices often need to be tested to determine or verify the exact pressure at which the product either opens by. design or ruptures due to pressure stressing.
  • Intensifiers
    of time without using power or generating heat in the circuit. They deliver fluid only when the cylinder demands it. Since all the oil from the booster is directed to the cylinder, there are no relief-valve losses. Generally, boosters can be used as a hydraulic power source only in single-cylinder
  • Niobium Solves a Rupture Disk Corrosion Problem (.pdf)
    Rupture disks have been used for many years to protect pressure vessels from being over pressured. In addition to being used alone, the ASME Code also allows them to be used at the inlets of pressure relief valves to prevent corrosion of the valves in a severely corrosive environment where high
  • MICRO:Top 40 - Page 2 (Nov '00)
    A high-flow 3-in. NPT relief valve for corrosive and ultrapure liquids also serves as a back-pressure regulator and bypass valve. The Series RVTX angle-pattern valve is made of Grade 1, Type 1 PVC and comes with a choice of Viton or EPDM elastomeric seal. It can be customized or made of other
  • Methods for Checking/Auditing Pipe Flanges, Pressurized Connections and Other Critical Fastened Joints
    The Clean Air Act requires refineries to develop and implement a Leak Detection and Repair (LDAR) program to control fugitive emissions. Fugitive emissions occur from valves, pumps, compressors, pressure relief valves, flanges, connectors and other piping components. A study conducted
  • IR - Benefits - Thinking Outside of the Box (.pdf)
    to the operation of the plant. The infrared technology is routinely considered as a tool to be utilized in troubleshooting activities. This paper will focus primarily on a process which has been tested and successfully implemented to identify the condition of relief valves operating within a system at ambient

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