Kalsi Engineering, Inc. Valve and Actuator Background Brochure

Kalsi MOV Actuator Test Stand Brochure

(329KB)
Valve design, failure analysis, testing, modeling, application, and problem solving are areas of special compe-tence at Kalsi Engineering.

(145KB)
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/pub-lished data.

 

2007 KVAP Brochure
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The Kalsi Valve & Actuator Program (KVAP), is state-of-the-art software that performs design basis cal-culations for all common linear and quarter-turn AOVs and MOVs in the industry. The KVAP validated quarter-turn models with position-dependant accuracy, which no other software contains, provide substantial margin increases in many appli-cations.

 

CVAP Brochure
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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 pro-blems, improve reliability, and trend inspection results for condition monitoring.

Kalsi Engineering Brochure
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This 16 page brochure describes the background, capabilities, products and services of Kalsi Engineering.

Valve and Actuator Products & Services

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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.

 

MOV Actuator Test Stand
(175KB)
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.

KVAP Software
(189KB)
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-dependant accuracy, which no other software contains, provide substantial margin increases in many applications.

 

CVAP Software
(164KB)
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
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Flow Loop & Mechanical Test Facilities

LiFE software computes the design life of the thrust and torsional components of Limi-torque actuators of type SMB/SB/SBD, ranging from size 000 to size 2.

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The flow loop facility at Kalsi Engineering was especially designed to investigate flow-related problems with valves used in typical plant appli-cations.

Advanced Check Valve Failure Analysis and Prevention Seminar

Comprehensive Valve & Actuator Seminar

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A comprehensive course on check valve failure analysis to develop and/or refine skills in diagnosing check valve failure causes and determining effec-tive corrective actions to prevent recurrence.

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A comprehensive valve and actuator training seminar to discuss the basic design, operational, repair and mainte-nance aspects of major valve types, as well as, an update on the current issues being addressed by the nuclear power industry.

Development of a Validated Pressure Locking Methodology for Gate Valves
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Effect of Butterfly Valve Disk Shape Variations on Torque Requirements for Power Plant Applications
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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 compre-hensive and advanced butterfly valve model development program that overcomes limitations of previous industry models.

 

Flow Loop Testing and Validation of Thermal Binding Model for Wedge Gate Valves
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Plant Experience Based Upon Application of New Validated Models for Air-Operated Valves
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Presents a validated method-ology 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.

Dynamic Torque Models for Quarter-Turn  Air-Operated
Valves
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Butterfly Valve Model Improve-ments based on Compressible Flow Testing Benefit Industry AOV Programs
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Describes the Kalsi Engineering program to develop validated models for quarter-turn valves. The program includes develop-ment 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. Included are the benefits to actual containment purge and vent valves.

Check Valve Wear Quantification for Improved Cost Effectiveness and  Plant Reliability

Kalsi Engineering Analytical Services

Non-Metallic Bearing Friction
Test Program for Quarter-Turn Valves
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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 Article in “Focus on Nuclear Power Generation”

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This article describes the innovative nuclear power-related valve design, analysis and testing services provided by Kalsi Engineering.