FEATURES
16 16
THE QUEST FOR UNCONVENTIONAL
GAS SOURCES

The outlook for new sources of natural gas, such as those being extracted from shale, is bright. But plenty of challenges lie ahead.

BY KATE KUNKEL

Valve MAGAZINE

Spring 2012 VOLUME 24, NO. 2

COLUMNS Perspectives 4 Industry Outlook BY BILL SANDLER

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TRIPLE OFFSET VALVES IN
UPSTREAM APPLICATIONS
These valves offer benefits in terms of weight, dimensions and
performance. But many engineers are not yet familiar with
what they can do in onshore and offshore applications.
BY PIETER KOK
Maintenance & Repair 43
Trends in Valve Repair

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TESTING HIGH-NICKEL ALLOY

CASTING IN REFINERIES One way maintenance personnel can deal with the corrosive feedstocks refineries face is by using different testing methods.

BY JAMES L. GOSSET T
Actuators & Controls 50
Solar-powered Actuation

36 36

THE UNIQUE REQUIREMENTS FOR VALVES IN SRO APPLICATIONS Individuals who deal with valve applications in seawater reverse osmosis (SRO) know that materials selection, equipment configuration and energy efficiency are critical to financial returns on the sizeable investment required. BY BEN LEE