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...
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...
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...
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...
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...
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...
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...
Seven Rules for Using Vespel® CR-6100
For the past two decades, pump users have had remarkable success upgrading critically important process pumps with Vespel®, a composite material made...
Select the Right Mechanical Seals: Part 1 of 3
The intent of this article is to document better and more effective ways to select one of the primary components of process...
Anodizing Aluminum Cylinders
Flexible hones address surface roughness and increased dimensional changes for anodized cylinders that mate with other parts.
To permit...