carbon-graphite materials

Goodbye to Tradition

Oil or grease lubricated bearings and plastic bearings can cause problems for users needing high temperature applications. However, there are alternatives. Metallized...
Bearing Housing Protector Seals

How to Cost-justify Bearing Housing Protector Seals – Part 2 of 4

In the first of this four-part article, we pointed out the importance of keeping contaminants away from lube oil in pump bearing...
Pump and Seal Reliability

Improved Pump and Seal Reliability

The City of Chester, Illinois, was getting only about six months of life out of the mechanical seals in their former non-clog...
Strategic Mechanical Seal Partnerships

Strategic Mechanical Seal Partnerships: Part 2 of 2

In last month’s installment, we outlined a few of the unforeseen consequences that stem from the decision to single-source reliability-critical components and...
API Seal Flush Plan-11

Solving the API Seal Flush Plan-11 Venting Issue

One of the pumps I am handling in my current project is an OH2 self-venting centrifugal pump. It is designed for a...

“Sweating” Pipeline Is No Sweat for Electric Utility Project

When an electric utility in the Southeastern United States sought to protect above ground natural gas pipeline against corrosion, the goal was...
pneumatic pump fitted with a PTFE diaphragm

Getting the Most Out of PTFE Diaphragms

Figure 1: Cutaway view of a pneumatic pump fitted with a PTFE diaphragm. Invented nearly 160 years ago,...
Armstrong seal bearing assembly

The New Right Way

Building a successful service business is huge challenge. Focusing on service excellence, creating value for customers and at the same time controlling...
Mechanical Seal Energy Audits and Their Value

Mechanical Seal Energy Audits and Their Value: Part 4 of 4

In one of the three previous parts this series of articles has dealt with the cost to reheat and/or evaporate flush injection...

Getting the Most Out of PTFE Diaphragms: Part 2 of 2

There are two grades of PTFE that can be used in the manufacture of diaphragms: conventional (homopolymer) and modified (copolymer). The lowest...