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GASKETS & BOLTS

Stud bolts and nuts for flanges (definition, sizes, materials) in metric and imperial sizes ASME B16.5

Stud Bolt for Flanges (ASME B16.5)

What is a stud bolt? Stud bolts for flanges consist of a fully threaded steel rod and two heavy hexagonal steel nuts. Stud bolts are inserted in the flange holes and tightened to seal a flanged joint. The number, the length, the diameter of the stud bolts required for a flanged connection depend on the… read more »

Stud Bolts Charts (for Flanges)

3 important stud bolts charts: 1- stud bolts dimensions in inches and millimeters (number, diameter, length of stud bolts for ASME flanges of different diameter and rating); 2- stud bolts weight (in kilograms and pounds for metric and imperial bolts, by diameter and length); 3- stud bolt torque chart (tightening sequence and load to ensure… read more »

Steel Nuts for Stud Bolts (ASTM A194)

Hexagonal steel nuts for stud bolts charts: dimensions (nuts width and thickness), weight (in kilograms and pounds), material specifications ASTM A194 and metric grades. STEEL NUTS SIZES Nuts width and thickness   HEAVY HEX NUTS DIAMETER (inches) Width Across Flats Width Across Corners F C Basic Max Min Max Min 1/2 7/8 0.875 0.850 1.010 0.969… read more »

Types of Gaskets for Flanges (Soft, Spiral, Ring Joint)

Learn about the 5 key flange gaskets types (used in the oil and gas industry): non-asbestos gaskets full and raised face (used for low-pressure, low-temperature and non-critical applications), spiral wound gaskets (for higher temperature and pressure oil and gas applications), Ring joint gaskets style R, RX, BX (for RTJ flange faces), Kammprofile and Jacketed gaskets. The article… read more »

How to Select the Right Flange Gasket?

How to select the right gasket for a piping application? To choose the proper flange gasket, piping engineers should take into consideration the following 4 key factors: fluid type, process temperature/pressure, fugitive emissions Laws, other general considerations. While gaskets are relatively cheap components of the overall piping system, they are critical for its reliability and integrity:… read more »

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