Typical API Plan 54 setup

Tackling and Solving Your Mechanical Seal Problems

An actual pump reliability improvement issue might serve as a model for tackling sealing issues in modern refineries. You really don’t have to become...
Oil and gas industry - LNG tanker

Dry Gas Seals for LNG Compressors

With the discoveries of large new natural gas deposits, including shale formations, competition is intensifying for LNG supply contracts, making it imperative that LNG...
Mechanical Seal Leakage in NGL Pipeline Pumps

Environmental Impact of Mechanical Seal Leakage in NGL Pipeline Pumps: Part 2 of 2

In part one, the normal and excessive leakage rates of mechanical seals were discussed based on the monitoring function of API piping plan 76....
Designing Formed Diaphragms

Designing Formed Diaphragms for Optimum Performance and Manufacturability

Pumps that utilize a diaphragm for their mechanical force have been used since the mid-nineteenth century, and continue to be utilized in modern pumping...

Why Do Mechanical Seals Fail?

By David Chisholm, Dura Pump Mechanical seals prevent pumps from leaking by containing the pressure of the pumping process and withstanding the friction caused by...
Proportional smart control valves

A New Control Valve Testing Process

Proportional smart control valves play critical roles in process industries. Accurately assessing valve performance, however, can be a cumbersome routine that often involves substantial...
Refrigerant System

Advanced Gasket Formulation Helps Refrigerant Systems Keep Their Cool

In the late nineteenth century, Olin J. Garlock devised a better way to seal piston rods in steam engines. Since then sealing materials have...
Anodizing Aluminum Cylinders

Anodizing Aluminum Cylinders

Flexible hones address surface roughness and increased dimensional changes for anodized cylinders that mate with other parts.  To permit the use of aluminum instead of...
5-inch Model CDPH (Cartridge-Style Dual) mechanical seal

The Business Case for Mechanical Seals in the Mining Industry

Figure 3: Close-up of a 5-inch Model CDPH (Cartridge-Style Dual) mechanical seal. An overview of mechanical seal experience in the mining industry is conveniently obtained...
Types of Gasket

How to Choose the Type of Gasket to Use

Many variables affect the selection of a gasket for a pressure vessel or piping system. Our focus here will be to look at the...