Rating is maximum allowable operating pressure
A maximum variability factor of 25% has been established by MSS to limit the load differential which may be prescribed in a variable spring support
Travel stops are installed in all constant spring support before shipping. These must be present during any hydro testing, but must be removed during installation before normal operations
Hydrazine is used within both nuclear and conventional electrical power plant steam cycles to control concentrations of dissolved oxygen in an effort to reduce corrosion.
Holiday Detector provides accurate detection of pinholes, flaws, inclusions, thin spots and bubbles in a coating.
The standard manufacturing thicknesses for spiral wound gaskets are 3.2, 4.5 & 6.5 (measured across metallic strip not including the filler which protrudes 0.2 : 0.3 mm beyond the metal
Flange face finish identify specific roughness to ensure that this surface be compatible with the gasket and provide a high quality seal
When standard elbow is trimmed the trimmed end will not be a circle. it will be slightly elliptical and that may create problems with welding and NDT
Mill Test Report or MTR is documentation from a testing facility that usually shows the chemical makeup and physical strength/properties of materials required to meet certain ASME and ASTM grades
Phosphorus has four major effects on iron: increased hardness and strength, lower solidus temperature, increased fluidity, and cold shortness
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