Valve Products and Services Literature
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Kalsi Engineering Brochures in PDF format
Valve design, failure analysis, testing, modeling, application, and problem solving are areas of special competence at Kalsi Engineering.
The Kalsi Engineering MOV Actuator Test Stand provides an efficient way to verify and calibrate torque output of MOV actuators, providing additional capability over calculated/published data.
Valve Products and Services Literature in PDF format
Kalsi Engineering has improved margins on AOVs/MOVs for over 25 years by developing reliable models for predicting performance of all types of valves and actuators commonly used in nuclear power plants.
The Kalsi Engineering MOV Actuator Test Stand provides an efficient way to verify and calibrate torque output of MOV actuators, providing additional capability over calculated/ published data.
The Kalsi Valve & Actuator Program (KVAP) is state-of-the-art software that performs design basis calculations for all common linear and quarter-turn AOVs and MOVs in the industry. The KVAP validated quarter-turn models, with position-dependent accuracy which no other software contains, provide substantial margin increases in many applications.
The Check Valve Analysis & Prioritization software (CVAP) quantifies the rate of degradation of check valve internals, including hinge pin wear and disk stud fatigue, and may be used to prioritize valve maintenance, diagnose problems, improve reliability, and trend inspection results for condition monitoring.
LiFE software computes the design life of the thrust and torsional components of Limitorque actuators of type SMB/SB/SBD, ranging from size 000 to size 2.
Valve Seminar brochures in PDF format
A comprehensive course on check valve failure analysis to develop and/or refine skills in diagnosing check valve failure causes and determining effective corrective actions to prevent recurrence.
A comprehensive valve and actuator training seminar to discuss the basic design, operational, repair and maintenance aspects of major valve types, as well as, an update on the current issues being addressed by the nuclear power industry.
Recent Technical Papers and Articles in PDF format
Presents a first principles model for predicting the increase in unwedging thrust resulting from pressure locking of a wedge gate valve.
Presents highlights of a comprehensive and advanced butterfly valve model development program that overcomes limitations of previous industry models.
Presents a validated methodology to predict unwedging thrust for gate valves that are exposed to temperature and pressure changes between closing and opening strokes.
Provides an overview of the previous industry developments relevant to this program and summarizes plant experience and the benefits obtained by the utilities from application of these new models at 30 nuclear power plants.
Describes the Kalsi Engineering program to develop validated models for quarter-turn valves. The program includes development of first principle models, extensive computational fluid dynamics (CFD) analyses, and flow loop tests on all common types of AOV quarter-turn valves.
Describes the compressible flow program conducted to validate new quarter-turn valve models. The benefits to actual containment purge and vent valves are included.
Describes the benefits of applying quantitative wear and fatigue predictions to prioritize safety-related and economically significant check valves.
Describes laboratory testing of non-metallic bearings to develop bearing friction coefficients under various plant conditions, including variations in bearing load, fluid media, temperature, and dwell time under load. The results will help to better evaluate butterfly valve torque requirements to ensure reliable valve operation while avoiding valve/actuator modifications.
Kalsi Engineering Analytical Services
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