Pumps
Compare pitot tube pumps with high-speed centrifugal pumps for low-flow applications
When seeking a pump for a low-flow, high-head application, there is a temptation to choose a high-speed (HS) integral gear-driven centrifugal pump because of its advantages over multi-stage centrifugal and other types of pumps.
Advances in dry gas seal technology for compressors
Compressor owner-operators now have unprecedented and solidly verifiable options.
HP Innovations
The FM-approved FireChek thermal shutoff valve with resettable memory shape alloy can now be used to automatically shut down a pneumatic control system when a nearby fire occurs, or when the ambient temperature reaches 135°F, 150°F or 165°F.
HP Reliability: Consider high-pressure throttle bushings made from fluoropolymers
In February 2004, I reported on how horizontal multistage pumps could be upgraded with a high-performance plastic produced by DuPont, Vespel CR-6100.
HP Innovations
Ingersoll Rand debuted its TURBO-AIR NX 8000 integrally geared centrifugal compressor at the Turbomachinery & Pump Symposia show in Houston, Texas in September.
Use root cause analysis to examine failure of a cooling water pump
Without a holistic approach and a structured root cause analysis, it is hard to unearth complex and multiple issues, particularly design deficiencies.
HP Innovations
EGC Critical Components has announced its dures brand of materials, a new family of proprietary thermoplastic polymer composites developed specifically for the manufacture of bushings, bearings and wear rings in pumps handling a wide range of liquids, including those that contain solid matter.
HP Innovations
New valve offers zero leakagePentair Valves and Controls has expanded its Vanessa triple offset valves (TOVs) product line with the launch of the Series 30-RS.
Consider Zone 0 vertical pumps for slop pits
Over the past several decades, a leading overseas HPI corporation experienced a disturbing number of explosions in its belowground hydrocarbon sump pits.
Create an operator ownership culture to achieve continuous improvement in reliability—Part 1
Operators have a significant influence on a plant’s reliability. In spite of this, little attention is focused on improving operators’ capabilities or on developing an operator ownership cul..
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