Comparison Between UL 555/UL 555S (U.S. Standard) and GB 15930/GB/T 17428 (Chinese Standard) Standard
UL 555 and UL 555S are U.S. standards for fire dampers and smoke dampers, while GB 15930 and GB/T 17428 are the corresponding Chinese standards. The main differences lie in testing...
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ASTM A350 LF2 Flange for Low Temperature Standard
ASTM A350 (ASME SA350) is the standard specification for carbon steel and low alloy steel forged flanges and flanged fittings for low temperature services.
Common use grade is ASTM...
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ASTM A105 Flange Specification Standard
ASTM A105 is the standard specification for carbon steel forging flanges.
Standard Scope
ASTM A105 covers forged carbon steel flange and piping components for ambient and higher-t...
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