Mechanical seal

Environmental Impact of Mechanical Seal Leakage in NGL Pipeline Pumps: Part 1 of 2

Figure 1: Dual unpressurized seal with API plan 76 This article addresses the normal and excessive leakage rates of mechanical seals in main pipeline pumps...

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 capacity of...

Mechanical Seal Energy Audits and Their Value: Part 1 of 4

Energy Management is critical to operational efficiency. Reviewing energy use in each link of the supply chain of a business can produce significant benefits....

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

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...
mechanical

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....

Getting the Most Out of PTFE Diaphragms

Invented nearly 160 years ago, diaphragm or membrane pumps are used in numerous industrial applications. These reciprocating, positive displacement pumps produce a pulsating flow...

Are You Choosing the Right Seal for Your Vacuum Pump?

Mechanical seals can fail for many reasons, and vacuum applications present particular challenges. For example, certain seal faces exposed to vacuum can become starved...

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 energy. The uncontrolled...

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...