Which manufacturers generally produce high-pressure lens gaskets of 500MPa grade well?
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This post was last edited by conde on 2022-8-19 06:29. Does it have a brand effect? Ordinary manufacturers can also produce it. By the way, I would like to ask which standard should be followed for this?
This post was last edited by CHANGBAISHI on 2022-8-19 06:51: 500Mpa,,, Wow, 5000kg/cm2 :) What is this that has such high pressure? Could you share a video showing it? Thanks :)
So the high-pressure lens gasket can only withstand up to 320 MPa
What kind of technique is this? Could you reveal a little? I’ve really never used anything this high-pressure
There are numerous standards for lens pads, and they are not unified. The main domestic technical standards in this regard are H1–31–67 \"General Design for High-Pressure Pipes, Fittings, and Fasteners\", JB/T 2776–2010 \"High-Pressure Gasketing for Valve Components\", and HG20582–2011 \"Rules for Calculating the Strength of Steel Chemical Vessels\" ； Abroad, the main standards include Germany’s DIN2696-1972 \"Flanges with lens-shaped gaskets\", and the United States’ MSSSP-65-1994 \"High-pressure flanges and threaded stubs using lens gaskets\", among others. In addition, there are also enterprise standards such as Wuhuan Engineering Co., Ltd.’s M20-A81S-95 \"Lens pad type flange for urea equipment\", Hualu Engineering Co., Ltd.’s TB5002-1999 \"Standards for high-pressure urea-grade pipe fittings\", Zhejiang University of Technology’s ZH300-2009 \"High-pressure pipes, pipe fittings, and fasteners\", and Sihua Jian’s GH-2007 \"High-pressure pipes, pipe fittings, and fasteners\". The standards of two foreign patent design institutes for urea. For all of the above standards, you need to carefully examine their scope of application.
I was wondering, which companies in China are good at producing this product? I think a regular vehicle could be used to create a ring, but I’m not sure if it’s feasible to do so
For German DIN2696, the fact that only the pressure ratings PN63-PN400 are specified is a problem – does this refer to 6.3-40 MPa or 63-400 MPa?
High-pressure polyethylene is mostly made from BASF’s product; you might want to take a look
Although it reaches 400MPA, there is no standard for implementation
I also would like to ask: what is the degree of damage to the high-pressure instruments used in your processes, such as thermocouples and pressure transmitters? It’s in such poor condition; what I need to do is replace the instruments made by companies like WIKA with domestic alternatives, as a precaution against a split between China and the United States