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...
Mechanical Seal Energy Audits and Their Value: Part 3 of 4
Although fulfilling the original design intent and functioning as intended, many “traditional” sealing systems found in industrial applications waste considerable amounts of...
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...
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...
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...
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...
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,...
Passive Groundwater Sampling: The Proven Alternative to Well Purging
Selecting groundwater sampling technology for any particular application can be challenging, as there is a wide range of technology available on the...
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...