WebAfter plastic analysis, the design could be approved with the restriction on the max. preload force in the bolts 40 kN/per bolt. Keywords Tank, manhole hatch, calculation, FEM analysis, stress, plastic analysis, bolt, bolt preload, bolt connection Date received: 11 February 2024; accepted: 21 October 2024 Introduction servicing and tank ... for the inspection, maintenance, and securement of a hinged and bolted manway to ensure leak-free performance. Eliminating leaks around a hinged and bolted manway protects against the risks to life, property, and the environment in intrastate, interstate, and foreign commerce.

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WebBolted Manway. For higher pressure applications, our LMB series manway can be custom built to withstand higher pressures and temperatures than many quick opening or tongue-and-groove manways. It features a flat gasket, and is ideal for applications requiring a 150# or 300# class flange, but without the extra weight of a blind flange. ... Web11 rows · Yoke & Bolt Handholes/ Manways. The yoke & bolt manway provides the most economical pressure vessel access. As a self-energizing unit, yoke & bolt manways … to set it right the lieutenant

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