In a Flow Control article, The evolution of the butterfly valve, Emerson’s Joanne Lunsford describes some of the advances to for this important technology in manufacturing and production processes.
triple offset valve
Valves for Frequent Cycling, High Pressures and Temperatures
David Leavitt described an application of high-cycling valves in a dehydration process at the Offshore Technology Conference (OTC) in Houston, Texas. I recapped his presentation last week in a post, Triple Offset Valves and Molecular Sieve Adsorption Applications. He...
Triple Offset Valves and Molecular Sieve Adsorption Applications
Adsorption, different from absorption, is the process of the: …adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface. In process manufacturing operations, adsorption is sometimes used in dehydration or purification processes. In...
Reliable Switching Valves for Ethylene Production Molecular Sieve Applications
For a valve, zero leakage is defined as no visible leakage when tested at high pressure with water and low pressure with air according to existing international standards. Some of these seat leakage standards for control and isolation valves include ANSI/FCI 70-2/IEC...
Top-Entry Triple Offset Valves in LNG Applications
The global natural gas market continues to develop as additional liquefied natural gas (LNG) facilities come online across the world. These LNG facilities have many challenges including equipment such as valves which come in contact directly with the cryogenic...
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