ISA – LA SECTION VIRTUAL SECTION MEETING

September 14^th 6-7pm

Regulators – Simple but Complicated – Pressure and Backpressure Control

Mark Dykoff

Manager, Fisher Regulator Business Unit

Caltrol, Inc

Mark Dykoff is the Business Unit Manager for Fisher Regulators at Caltrol, the Emerson Automation Solutions Impact Partner for the Southwestern United States.  Mark began his career at Caltrol in 2009 as an applications engineer for the Fisher brand of control valves and regulators.  Mark has control valve and regulator application experience in several industries including, refining, mining, life science, and power.  In 2010 Mark took on application engineering responsibility for the gas utilities and pipelines in Caltrol’s territory, as well as responsibilities as the Fisher Regulator product champion.  As the manager of the Fisher Regulator business unit he maintains responsibility for providing technical support regarding Fisher control valves and regulators for his gas utility accounts as well as responsibility for training and supporting application engineers, technicians, and end users in challenging regulator and valve applications.  Prior to Caltrol Mark worked briefly in the elevator industry as a maintenance operations manager serving several hotels on the Las Vegas strip.  Before that, he spent 10 years in the US Navy as a nuclear trained electrician and electrical operator on board fast attack submarines. 

Mark lives in Las Vegas with his wife and son and enjoys various outdoor activities like off-roading, camping, and hiking, as well as spending time with the family.

Introduction to Regulators

Introduction

1. Overview of regulator operation and types
2. Direct (spring) Operated Regulators/relief valves
3. Derivation of performance curves
   1. Boost/droop
   2. Accuracy vs Capacity
4. Pilot Operated Regulators/relief valves
5. Pilot Loading Style
   1. Gain/Accuracy/Stability
6. Pilot Unloading Style
7. Sizing and Selection of pressure reducing and backpressure regulators
8. Conditions and Considerations for sizing and selecting regulators
9. Process Related (pressures, demand, accuracy (FFM/PFM), etc.)
10. Installation based
    1. Pipe run, pipe/connection size, sensing/loading connections, orientation, etc.
    2. Vent stack geometry

1. Sizing examples
   1. Direct Operated regulator
   2. Pilot operated regulator
   3. Relief Valve

• Tips and tricks

1. Basic Troubleshooting/what can go wrong
2. Direct Operated
3. Pilot Operated
4. IRV vent lines
5. Speed/Accuracy/Tuning
6. Speed of operation
7. Tuning

Conclusion

Conclusion

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Topic: Regulators – Simple but Complicated – Pressure and Backpressure Control  by Mark Dykoff Manager, Fisher Regulator Business Unit Caltrol, Inc
Time: Sep 14, 2021 06:00 PM Pacific Time (US and Canada)

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