As most pump users know, that when cavitation occurs, it is the result of vapor bubbles collapsing within the impeller passages. It may be within the fluid or on the metal surfaces, and most often does cause vibration in the unit. If severe enough,
Power Generation
SRVB #2-Boiler Circulation Pump Vibration
All rotating equipment lends themselves to vibration measurement and analysis. During normal operation they emit a specific vibration signature. If this signature changes it provides an indication of a change in the health of the
SRVB #1-Boiler Water Circulation Pump Protection during Boiler Acid Cleaning
A purge supply of 2 USgpm minimum should be maintained throughout the entire chemical cleaning operation on ALL pumps in situ, regardless of whether the motors are energized or not, unless the pumps can be isolated from the system, and this isolation
Circulating Pumps for Radiant Syngas Cooling (RSC) System
Download this Case Study: IGCC Plant Operates HTI Pumps for Critical Cooling Application Commissioned in 2013, the Integrated Gasification Combined Cycle (IGCC) facility at Edwardsport, Indiana is one of the cleanest and most efficient coal-based
Diffuser redesign eliminates $100,000 per year on unplanned maintenance
Download this Case Study: Chemical plant was making frequent repairs due to high vibration issue A chemical processing plant had been experiencing high vibration and bearing failures on their Boiler Feed Water (BFW) Circulation pumps. This
Thermal Stress and Fatigue Life Assessment Validates Flexible Plant Operation
Download this Case Study: Hayward Tyler analyzed the effects of various power plant operating scenarios on a Boiler Circulating Pump (BCP) Boiler Circulation Pumps are used in forced circulation boilers to circulate the water around the
Power Plant Cycling: Its effect on NPSHa and the damage it causes to Boiler Water Circulation Pump (BWCP) thrust bearings
Download this Case Study: Introduction: The rise in total generation capacity of renewable energy sources such as wind and solar is resulting in traditional “base load” fossil generation plants being more frequently asked to follow
An Introduction to Canned Motor Pumps (CMP) Including Application Consideration
Download this White Paper: The increasing importance of limiting emissions to the atmosphere draws attention to the biggest culprit for this in conventional pumps, the mechanical seal. Emissions not only pose a safety and environmental risk,
Diffuser redesign eliminates $100,000 per year on unplanned maintenance
Download this White Paper: Chemical plant was making frequent repairs due to a high vibration issue. A chemical processing plant had been experiencing high vibration and bearing failures on their Furnace Water Circulation pumps. This
Common Canned Motor Pump Questions
Question: Do you ever use PEEK material for the Primary Containment Shell? Answer: Hayward Tyler has never used PEEK material for the can (Primary Containment
The effects of changing plant operational modes on Boiler Water Circulation Pumps
Download this Case Study: Introduction: The rise in total generation capacity of renewable energy sources such as wind and solar is resulting in traditional “base load” coal generation plants being more frequently used to follow fluctuating
SRVB #12-Insulation Resistance (IR) measurements for wet stator motors
This service bulletin has been written as a response to questions regarding insulation resistance (IR) and to clarify how to interpret measured values of IR for wet stator motors. There are many factors that influence IR measurements such as
