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The maximum allowable working pressure MAWP is a very important therm in the ASME BPVC and therefore essential for construction safety. The ASME BPVC requires, that the manufacturer specify the MAWP on the nameplate of the pressure vessel and should …
The maximum allowable working pressure MAWP is a very important therm in the ASME BPVC and therefore essential for construction safety. Note: The MAWP is not defined in the PED. The maximum allowable working pressure (MAWP) is: (see also UG-98)
…This article provides an overview of duplex material specifications for pressure equipment applications. Compared with some other materials, Standard Duplex Steels and Super Duplex Stainless Steel are less costly material of construction offering high mechanical strength, good weldability, good toughness …
Stress corrosion cracking (SCC) is characterized by cracks propagating either transgranularly or intergranularly (along grain boundaries). Chlorides are widely present in many industrial and natural environments, such as seawater. When metal alloys are exposed to these environments, they can become …
The PREN (Pitting Resistance Equivalent Number) for duplex steels is an important parameter for classifying duplex steels also from the point of view of corrosion resistance, such as chloride stress corrosion cracking (SCC). Duplex materials have evolved in recent decades …
Weldolet fittings – the Branch Connection Fittings are also named as Outlet fittings. Outlets are a family of forged products used to make 90 degree or 45 degrees integrally reinforced branch connections from a header pipe or run pipe to an outlet pipe or …
The ISO 5208 rate A specify a leakage by internal tightness seat test (or often also called closure test) of valves. Usually one side (valve inlet) shall be subjected to the test pressure and amount of leak shall be measured …
Pressure-relieving valves and devices shall conform to the requirements specified standards and specifications. Additional requirements for certification and marking requirements such as PED (CE marking) and ASME BPVC (Designation stamp) should be apply. Below is a list of the most …
Piping in acc. to ISO 3183 and API SPEC 5L must be evaluated with regard to their suitability for the use of hydrogen. Additional test procedures at qualifications of line pipes are required. Specifications and standards Specifications and standards for …
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