| |
|
|
|
|
|
Testing, Testing:
Today’s Valve Standards
by Greg
Johnson, reprinted from the spring, 2007 issue of
Valve Magazine
The increase in globally sourced products and
much-reduced domestic manufacturing has caused everyone in the valve supply
chain to request and require more testing. Here’s a look at some of the most
common valve testing standards in use today.
 |
|
Why Valve Qualification Programs?
by Greg
Johnson, reprinted from the winter, 2006 issue of
Valve Magazine
As the valve world
continues to turn and tilt its production towards new countries and their
untested manufacturing plants, the potential backlash is a rise in quality
issues.
 |
|
|
|
The Ever-Popular Gate Valve
by Greg
Johnson, reprinted from the spring, 2005 issue of
Valve Magazine
This low-tech valve may not have changed much
in the last 100 years, but the gate valve plays a major role in virtually
every refinery, chemical plant and industrial facility in the world.
 |
|
The Gate Valve’s Long History
by
Greg Johnson, reprinted from the spring, 2005 issue of
Valve Magazine
The ubiquitous gate valve has a long history
of serving the flow control industry in the United States.
 |
|
|
|
Valve
Magazine - Repair -
“Valve Repair, Challenges & Changes”
by Greg Johnson, reprinted from the summer, 2004 issue of
Valve Magazine
Who Moved my Cheese? The heck with who moved
my cheese, who moved my valve repair customers!
 |
|
Valve
World - Modification -
“Valve Modification Complements
the Supply Chain”
by Greg Johnson, reprinted from the
April, 2004 issue of Valve World Magazine
In a perfect world of valve supply and demand, an end-user would be able to
purchase any combination of valve configurations from the distributor with
only a few days notice. In order to meet the demand for these specials in
the United States, the valve modification industry was created.

|
|
|
|
Chemical
Processing -
“Thwarting Valve Troubles:
A Valve Owner’s Survival Guide”
by Greg Johnson, reprinted from the
May, 2002 issue of Chemical Processing Magazine
It’s a jungle out there, so the saying goes.
Unfortunately, that jungle extends to and includes your work environment.
 |
|
Valve
repair in the 21st Century -
“Valve Repair in the 21st Century”
by Greg Johnson, reprinted from the
fall, 2001 issue of Valve Magazine
Valve repair in the 21st Century promises to be
technologically advanced, with data and digital imagery being exchanged between
the repair facility and the end-user.

|
|
|
|
Valve Magazine - valve standards LR-
“Valve Standards in the Petrochemical &
Refining Industry”
by Greg Johnson, reprinted from the
summer, 1996 issue of Valve Magazine
Today's valve standards are dynamic documents that
reflect sound engineering practice, changes in market demands and changes in
technology and manufacturing procedures.
 |
|
|
|
|
|
|
|
|
|
| |
|
|
| |
|
|