ESD Presentation (1)

Valve Automation

Process ESD systemsProcess ESD systemsProcess ESD systemsProcess ESD systems

[File Name or Event]Emerson Confidential27-Jun-01, Slide 2

Valve Automation

ESD SystemsESD SystemsESD SystemsESD Systems

“In an emergency, the ability to rapidly shut off fluid and/or gas flow can mean the difference between a manageable situation and a potential disaster”

Valve Automation

ESD SystemsESD SystemsESD SystemsESD SystemsNPS 24 Failure

July 2003

Operating pressure: 1040psi

Pipe Blow out , No fire.

A well designed ESD system utilized to section off the pipeline, coupled with the absence of fire, made this one a non event!

Valve Automation

ESD control solutionsESD control solutionsESD control solutionsESD control solutions 20 years ago, a liquid spill or gas

released was not a major event.– Historically, sectioning valves on tank

farms, liquids lines , aggressive pressurized gases etc.. have been electrically actuated due to their remote location.

– With today's environmental standards and required practices, the need to have ESD capabilities becomes prevalent and changes the operational function of sectioning valves.

– The lack of spring return capabilities from the different electric actuators designs on the market and its dependence on the supply source to operate and react to any given situation know makes the users vulnerable to dangerous situations and potential environmental catastrophes.

Valve Automation

ESD SystemsESD SystemsESD SystemsESD Systems

How can we define an ESD valve/damper system?– A packaged solution or sets of controls configured to

make a rotary or linear actuator go to a desired position upon detection of a set or sets of event(s), autonomously or by dedicated signal.

– Emergency Shutdown (ESD) Valves and other fail-safe valves and dampers assemblies, typically incorporate a spring-to-fail actuator to stroke the valve or damper in the event of an upset process condition.

Valve Automation

ESD Systems

SupplySupply

OpenSide

Valve Automation

ESD SystemsESD SystemsESD SystemsESD Systems An actuator using either stored energy or reserved energy and

configured to answer to the designation of Emergency Shut Down (ESD) valve will provide protection on;

– Pipelines

– Storage facilities in refineries

– LPG

– Chemical

– Tank farm

– Loading and unloading facilities

– Process

– Wellheads

– Liquids lines

Valve Automation

ESD SystemsESD SystemsESD SystemsESD Systems Such protection is indispensable on process medias such as;

– Ammonia

– Butane

– Propane

– Pentane

– Polypropylene,

– LNG

– NGL

– Mild acids

– Diesel fuels

– Thermal oils

– Liquefied gases

Valve Automation

ESD systemsESD systemsESD systemsESD systems Typically used on on/off isolation or sectioning

valves, controls can be devised to incorporate ESD logic into control valves packages.

Most often installed on ball, plug, butterfly, gate and globe valves, solutions can be self contained or integrated into a ESD system.

From local to remote triggering, we must first determined the parameter and means by which we will “trip” the actuator to fail close or open on each applications.

Valve Automation

ESD triggersESD triggersESD triggersESD triggers Pressure sensing High & Low

All Pressurematic pilot valves provide high and low pressure sensing on gas or liquids and can be fitted with either an automatic or manual reset..

Valve Automation

ESD triggersESD triggersESD triggersESD triggers Pressure sensing High & Low Pressure sensing High or Low

SP Pressure Pilot valves provide either high or low pressure sensing on gas or liquid and can be fitted with either an automatic or manual reset facility.

low (falling) pressure

high (rising) pressure

high (rising) pressure c/w manual reset valve

Valve Automation

ESD triggersESD triggersESD triggersESD triggers Pressure sensing High & Low Pressure sensing High or Low Fusible link

Fusible links are set to melt and activate an ESD system in the event of fire.

Valve Automation

ESD triggersESD triggersESD triggersESD triggers Pressure sensing High & Low Pressure sensing High or Low Fusible link ROD (Rate of Drop)

The Bettis Deltamatic linebreak detection system is designed to automatically monitor pressure and send instrument pressure signal if a predetermined rate of pressure drop is exceeded

Valve Automation

ESD triggersESD triggersESD triggersESD triggers Pressure sensing High & Low Pressure sensing High or Low Fusible link ROD (Rate of Drop) Linebreak system

In anticipation of customer requirements to provide a system that will not only provide linebreak protection but also monitoring and analyses of pressure characteristics, Bettis has designed our next generation electronic linebreak system. The LineGuard system incorporates everything Bettis has learned about pipeline protection which is…well, a lot. Again, Bettis leads the World in valve actuation systems.

Valve Automation

LineGuard 2100LineGuard 2100

• Initiates valve shutdown on set high and low pipeline pressures. Initiates valve shutdown on a set rate of pipeline pressure fall.

• Monitors (every 5 seconds) and records pipeline pressure to provide a detailed insight into the pipelines operating characteristics prior and post to valve shutdown.

• Allows optimizing of setpoints for effective linebreak control.

• Remote communication and control using industry standard MODBUS protocol.

ESD triggersESD triggersESD triggersESD triggers

Valve Automation

– Hard wired

– Cellular communication

– Radio Communication

– Scada systems

Valve Automation

ESD triggersESD triggersESD triggersESD triggers

Valve Automation

– Hard wired

– Cellular communication

– Radio Communication

– Scada systems ESD systems

Where an independent monitoring systems from the main process system will send the selected valves into ESD mode.

Valve Automation

ESD control solutionsESD control solutionsESD control solutionsESD control solutions With controls modification we can

turn your control valve package into and ESD solution using both spring return actuators and double acting where we can use the line pack as the source of energy when available

Valve Automation

Supply

80psi min120 psi max

ESD 120/60AC

4-20 ma in

4-20 ma out

ESD control solutionsESD control solutionsESD control solutionsESD control solutions

ESD signal on Linear control valveESD process & ESD hand pump

Valve Automation

ESD control solutionsESD control solutionsESD control solutionsESD control solutions

Valve Automation

ESD On/Off solutionsESD On/Off solutionsESD On/Off solutionsESD On/Off solutions

The Valve Automation division offers a complete array of solution with products such as;

Scotch Yoke & Linear DesignsScotch Yoke & Linear Designs

Valve Automation

Low/high pressure ESD shut off

Spring Return Actuator

Valve Automation

Hydraulic Vane Designs

Valve Automation

CLOSE OPEN

ESD On/Off solutionsESD On/Off solutionsESD On/Off solutionsESD On/Off solutionsLow/high pressure ESD shut off

Double Acting Actuator

Valve Automation

Helical Spline subsea Designs

Valve Automation

Rack & Pinion Designs

Valve Automation

Rack & Pinion Designs

Valve Automation

Rack & Pinion intelligent solutions

Valve Automation

ESD Self contained solutionESD Self contained solutionESD Self contained solutionESD Self contained solutionThe standard SCH control system always requires at least one additional control component to initiate valve shutdown. This type of component is used to initiate the depressurization of the system allowing the actuator’s spring to move the mainline valve to its failed position. Most common of these shutdown devices are pressure pilot valves, solenoid valves and manual ball valves.

The picture shows a Pressurematic Pilot fitted with a manual reset valve (P-MR type) being used as the shutdown device.

PressureMatic Pilot Valvec/w Manual Rest

Valve Automation

ESD Self contained solutionESD Self contained solutionESD Self contained solutionESD Self contained solution

Valve Automation

ESD Gas over Oil solutionESD Gas over Oil solutionESD Gas over Oil solutionESD Gas over Oil solution

When line pressure exceeds 400 psi, we can look at using the line pressure as the source of energy to drive the actuator

Valve Automation

ESD Gas over Oil solutionESD Gas over Oil solutionESD Gas over Oil solutionESD Gas over Oil solution

Valve Automation

Valve Automation divisionValve Automation divisionValve Automation divisionValve Automation division The most complete offering

of actuation concepts and solutions.

Torques up to 6,000,000 lb/in

From 3,000 meters below sea to the top of your stack, we offer proven and reliable products for all you automation needs!

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