60+ years of valve expertise. Technical guides, product selection help, and industry knowledge for engineers and procurement buyers.
Body materials, PTFE seats, fire-safe and low-emission standards, and transfer-line specs for methanol service, from a team with 60+ years in valves.
Read the ArticleMaster ball valve selection in 5 simple steps. Compare full vs. reduced port, 2-piece vs. 3-piece bodies, vented balls, and pneumatic vs. electric actuators.
Read more →ANSI valve classes (such as 150, 300, or 600) do not represent a static pressure limit—they define a dynamic pressure-temperature rating that ensures system safety,...
Read more →What makes a ball valve firesafe, why a 60° vee port throttles well, and how the AVCO 1900 does both. API 607, graphite seals, NACE....
Read more →Compare 1, 2, and 3-piece ball valve bodies plus full vs reduced port, with Cv math, pressure ratings, and a decision framework from ValveMan.
Read more →Learn about some of the cryogenic valves we offer here at ValveMan.
Read more →Valve terminology is much like any other jargon. Some words and descriptions mean the same thing, and can be used interchangeably, while others are almost...
Read more →The AVCO 1900 series is a 3-piece, 316 stainless steel control ball valve featuring a 60° vee-port and API 607 fire-safe certification, consolidating throttling, isolation,...
Read more →Learn what causes cavitation in control valves, how to recognize damage, and proven engineering solutions including anti-cavitation trim and pressure staging.
Read more →Learn what control valve positioners do, when they're required, and how to choose between analog and digital types. Expert guide from ValveMan engineers.
Read more →A guide to the types of selection of control valve positioners, and including why and when to use them.
Read more →Emerson's John Molloy has spent 28 years learning what a spec sheet cannot teach. He joins Gil Welsford Jr. at VMA headquarters to talk about...
Read more →Learn the key differences between lug butterfly valves and wafer butterfly valves, as well as how to choose the right one for your design.
Read more →Page 4 of 14 (157 articles)
Ready to find the right valve for your application?
Our engineers have answered thousands of technical valve questions since 1965. We can help you spec the right valve for your system.
