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  1. Null Full

    Dear All, Could you please hel

    Your choice of 17-4 PH stainless steel for the seal and 410 stainless steel for the tubing hanger is interesting given the operating conditions you've described. Regarding your concerns: The higher yield strength of 17-4 PH (105,000 psi) compared to 410 SS (80,000 psi) is indeed a...
  2. Null Full

    Lip-seal for body seal (Trunnion 3 piecies ball valve)

    The collapse of the lip-seal in the opposite pressure direction, despite no visible gap extrusion, suggests that the current sealing solution may not be optimal for the high-pressure conditions of a 2500# class valve. This is a common issue in demanding applications where traditional elastomeric...
  3. Null Full

    LPG Vaporizer

    The use of an LPG vaporizer is to convert liquefied petroleum gas (LPG) from its liquid state to a gaseous state before it is burned as a fuel in various applications. LPG is typically stored and transported in its liquid state, which makes it easier and more efficient to handle and transport...
  4. Null Full

    How to Reduce Hydraulic Pressure Variation?

    To reduce the pressure variation in the hydraulic circuit, you could consider adding a pressure regulator valve in the circuit. This valve can be set to maintain a constant pressure within the circuit, regardless of the fluctuations in demand caused by the solenoid valve. Additionally, you could...
  5. Null Full

    using metal seals in a high-pressure, corrosive and high-temperature research vessel

    Thank you TugboatEng, i will research and keep you updated. Sonkit Product Manager at Sonkit Industry, For Metal Ring Seal Solution, https://www.sonkit.cn/en/
  6. Null Full

    using metal seals in a high-pressure, corrosive and high-temperature research vessel

    Thanks for the heads up! You're right, the high temp is definitely something we need to keep in mind. Will look into those boiler sight glasses with graphite gaskets and Belleville springs, good call! And yeah, the ammonia vs boiler water wear on the glass is definitely something to consider...
  7. Null Full

    using metal seals in a high-pressure, corrosive and high-temperature research vessel

    Hello everyone, We are currently working on a research project that requires a specialized pressure vessel. The vessel needs to be able to withstand 250 bar pressure and a maximum temperature of 350 degrees C, and will contain corrosive gaseous ammonia. Additionally, the vessel features two...
  8. Null Full

    Fuel dump risks.

    It is possible for jet fuel to cause damage to paint and primer coatings on aircraft. Jet fuel can be corrosive and can strip away protective coatings, causing the metal underneath to become exposed. In addition, jet fuel can cause the paint to become discolored or faded. However, the extent of...
  9. Null Full

    Is the term "ultimate load" the same as "design ultimate load"?

    It sounds like you have a good understanding of the various load terms and how they are used in different industries. Here is a summary of what you have described: Limit Load (LL): The maximum expected applied load that could occur during service. Design Limit Load (DLL): The limit load...

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