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October: New Products (International)

This Range of Valves Now Meets DIN Requirements The new Jamesbury polymeric-seated flanged ball valves are now available in sizes DN15 – 150 in both full-bore and reduced bore. These valves conform to PED and ISO 17292 requirements, and feature…

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Facts at Your Fingertips: Heat Transfer System Design  

Pumps Centrifugal pumps with cast or forged steel casings are typically appropriate for systems with large flowrates Positive displacement pumps frequently can handle smaller flowrates of less than 100 gal/min Sealless pumps (canned motor or magnetic drive) avoid the installation…

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Feature Report: Part 1: Using Installed Gain to Improve Valve Selection

  The perfect valve to control your process has been selected. The valve will pass your maximum flow. Everything is great, right? In some cases digging a little deeper might help. The control valve usually should not be the most…

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Valves and Specialty Metal Materials

The role of valves in a process is far from insignificant. These components enable engineers to control the vitals of a process: temperature, pressure, concentration, and flow. In some cases, the failure of a valve could be catastrophic and in…

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Feature Report: Spray Technology Fundamentals & Applications: Game Winning Strategies

Spray technology is a powerful tool used to achieve higher levels of overall process performance. Strategic decisions in selecting and employing spray technology can yield dramatic wins. Understanding sprays, drop size, and the strengths and characteristics of nozzle types and…

Engineering Practice: Discharge Coefficients and Flow Resistance Factors

This article presents the fundamental concepts of the discharge coefficient, KD, of a relief valve or a safety relief valve, and flow resistance factor, KR, of a rupture disk, and their proper use in sizing an emergency relief system. When…

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Strategies to Minimize Wastewater Discharge

As regulatory issues, environmental sensitivity, and longterm water supply concerns increase, the chemical process industries (CPI) are considering ways to reduce their water discharges. In fact, more and more companies are evaluating the viability of zero-liquid-discharge (ZLD) processes. This usually…

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Economic Indicators: Business News

Plant Watch LyondellBasell grants license for new plant in the Slovak Republic September 23, 2008 — Slovnaft Petrochemicals, s.r.o., a subsidiary of the MOL Group, has selected LyondellBasell’s Lupotech T technology for a new 220,000-metric tons per year (m.t./yr) low-density…

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Engineering Practice: Optimize your Process Plant for More than One Objective

There are many criteria that the engineer considers when optimizing: maximization of product yield or quality; minimization of recycle flow or energy consumption; and economic indicators, such as maximization of profits, net present worth (NPW) and minimization of payback period…

Focus On: Pipes & Fittings

Look here for an Easy, Sturdy Compressed-Air Piping System Newly available in 76- and 100-mm dia., SmartPipe is a modular, aluminum piping system boasting a low friction coefficient due to its smooth, calibrated construction. With its full-bore fittings and push-to-fit,…