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
Storage
SRVB #11-Preparation and Verification of All Pressure Boundary Flanges on HT Boiler Water Circulating Pumps (BWCP): New Manufacture or Repairs
This Safety Bulletin is in response to customers asking about the suitability of hardware on connection flanges after return from shop service or upon initial receipt of a new motor. The below information serves as guidance about what needs to be
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
