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  2. ASME Boiler and Pressure Vessel Code - Wikipedia

    en.wikipedia.org/wiki/ASME_Boiler_and_Pressure...

    The section of the ASME BPVC consists of 4 parts. Part A - Ferrous Material Specifications. This Part is a supplementary book referenced by other sections of the Code. It provides material specifications for ferrous materials which are suitable for use in the construction of pressure vessels. [13]

  3. Cooling tower - Wikipedia

    en.wikipedia.org/wiki/Cooling_tower

    Since the cooling towers are based on the principles of evaporative cooling, the maximum cooling tower efficiency depends on the wet bulb temperature of the air. The wet-bulb temperature is a type of temperature measurement that reflects the physical properties of a system with a mixture of a gas and a vapor, usually air and water vapor

  4. ASTM A490 - Wikipedia

    en.wikipedia.org/wiki/ASTM_A490

    ASTM A490 and ASTM A490M are ASTM International standards for heavy hex structural bolts made from alloy steel.The imperial standard is officially titled Standard Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength, while the metric standard (M) is titled Standard Specification for High-Strength Steel Bolts, Classes 10.9 and 10.9.3, for Structural ...

  5. List of DIN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_DIN_standards

    Fasteners – Part 2: Technical delivery conditions; Bolts, Screws, Nuts and Similar Threaded and Formed Parts; Types and Dimensional Accuracy: Active: DIN EN ISO 4759-1: ISO 4759-1: DIN 267-3: Fasteners – Part 3: Technical delivery conditions; Property classes for carbon steel and alloy steel bolts and screws; Conversion of property classes ...

  6. Bolted joint - Wikipedia

    en.wikipedia.org/wiki/Bolted_joint

    The applied torque causes the bolt to "climb" the thread causing a tensioning of the bolt and an equivalent compression in the components being fastened by the bolt. The preload developed in a bolt is due to the applied torque and is a function of the bolt diameter, the geometry of the threads, and the coefficients of friction that exist in the ...

  7. Engineering tolerance - Wikipedia

    en.wikipedia.org/wiki/Engineering_tolerance

    Summary of basic size, fundamental deviation and IT grades compared to minimum and maximum sizes of the shaft and hole. Dimensional tolerance is related to, but different from fit in mechanical engineering, which is a designed-in clearance or interference between two parts. Tolerances are assigned to parts for manufacturing purposes, as ...

  8. Chiller - Wikipedia

    en.wikipedia.org/wiki/Chiller

    A liquid (glycol based) chiller with an air cooled condenser on the rooftop of a medium size commercial building. In air conditioning systems, chilled coolant, usually chilled water mixed with ethylene glycol, from a chiller in an air conditioning or cooling plant is typically distributed to heat exchangers, or coils, in air handlers or other types of terminal devices which cool the air in ...

  9. Pillow-plate heat exchanger - Wikipedia

    en.wikipedia.org/wiki/Pillow-plate_heat_exchanger

    Single-embossed pillow plates are formed when the base plate is significantly thicker than the top plate. The thinner top plate deforms, while the base plate remains plane. Double embossed pillow plate section. Furthermore, pillow plates are commonly equipped with “baffle” seam weldings, which offer a targeted flow guidance in the pillow ...

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