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...
seal flush liquids

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

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...
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...
Right Mechanical Seals

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...
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...
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...
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,...
Passive Groundwater Sampling

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...
two-stage double suction/double suction kerosene pump

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...