Safety Equipment Reliability Handbook (SERH) 4th edition · •SRS Tool •SIL Verification Tool • Direct average calculation engine ... • Effortless search of assessment levels

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Copyright © exida.com LLC 2000-2015 1

Safety Equipment Reliability Handbook

(SERH) 4th edition

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Safety Equipment Reliability

Handbook (SERH) 4th edition

Copyright © 2015 exida

Loren Stewart, CFSP Bio

Loren Stewart graduated from Virginia Tech with a BSME.

She has over 7 years of professional experience originating in custom design and manufacturing where she managed and was responsible in supporting key clients. She currently works for exida Consulting as a safety engineer, focusing on the mechanical aspects of their customers. Along with assessing the safety of products and certifications, she continually researches and published reports on stiction and is creating a database for the 2H initiative according to IEC 61508.

Copyright © exida.com LLC

2000-2015

About exida

exida is an end-user consulting, accredited product

certification, and research firm with significant expertise in

safety critical/high availability automation systems, control

system cybersecurity, alarm management, and process

safety. exida has performed more process control safety

certifications than any other company worldwide. exida’s

main offices are located in Sellersville, PA, USA and Munich,

Germany and has worldwide operations with service centers

in Brazil, Canada, Mexico, Netherlands, and New Zealand,

Singapore, Japan, South Africa, and the United Kingdom.

4 Copyright © 2015 exida

exida Worldwide Locations


Main Offices

Regional Offices

Main Product / Service Categories

Consulting

Process Safety (IEC 61511, IEC 62061, ISO

26262)

Alarm Management

Control System

Security (ISA S99)

Product Certification

Functional Safety (IEC

61508)

Control System Cyber-

Security

Network Robustness

(Achilles)

Training

Process Safety

Control System Security

Onsite

Offsite

Security Development

Alarm Management

Engineering Tools

exSILentia

(PHAx,

SIL Selection

LOPAx

SRS

SIL Verification)

Safety Case

FMEDA

SILAlarm

SILStat

CyberPHAx

Reference Materials

Databases

Tutorials

Textbooks

Reference Books

Market Studies

Professional Certification

CFSE

CFSP

Includes:

-Automotive

-CACE/CACS

-Hardware

-Machinery

-Process

-Software

Processes - Products - People Copyright © exida.com LLC 2000-2015 6

Engineering Tools


• ALARM Management

• PHAx™

• SIL Selection Tool

• Hazard Matrix or Risk Graph

• Layers of Protection Analysis built-in

• Safety function documentation

• SRS Tool

• SIL Verification Tool

• Direct average calculation engine

• Instrumentation failure database built-in

• Variables include reality – test coverage, service

• Proof Test Specification

• SILStat™ – Data Collection Tool




What is the SERH?

exida is pleased to announce the latest release of their failure

data book Safety Equipment Reliability Handbook (SERH) 4th

edition. The book set is a hard copy of exida’s SERH database

that contains a vast amount of equipment item reliability data.

The SERH provides a collection of failure rate data that is

applicable for use in Safety Instrumented System (SIS)

conceptual design verification in the process industry. The

Safety Equipment Reliability Handbook remains the ultimate

reference source for any safety engineer involved in

Conceptual Design and Safety Integrity Level verification.


10

What is the SERH?

Volume 01: Sensors includes Fire and Gas, Flame Monitoring, Flow, Level, Pressure, Proximity, and

Temperature measurements

Volume 02: Logic Solvers and Interface Modules

includes Barriers, Surge protection devices, Relays, logic solvers, Fire and Gas

Systems, and solenoid drivers

Volume 03: Final Elements

includes Final Element interfaces such as solenoids and digital valve positioners,

Pneumatic interfaces such as Quick Exhaust valves, Actuators, Valves such as ball,

butterfly, gate, etc. valves, and Gas Pressure Regulating Valves The new edition has

many new manufacturers, taking it to over 200 different OEMs!

What is the SERH?

In the 12 years since the first edition was published, the

number of equipment items with realistic failure rate data

has increased tremendously. The new edition has many new

manufacturers, taking it to over 200 different OEMs!

The Safety Equipment Reliability Handbook remains the

ultimate reference source for any safety engineer involved in

Conceptual Design and Safety Integrity Level verification.

Users of the data can trust that the data represented has

been reviewed in detail and judged applicable for use to

evaluate equipment items in Safety Instrumented Function

applications.

11

Copyright © exida.com LLC 2000-2015

“With the SERH, the amount of time needed to

research individual products and to determine

the applicability of the data to Safety

Instrumented Systems in the process industry,

virtually drops to zero.” says Joe Scalia, ARC

Advisory Group

“Having a single source of failure rate data

easily implemented by users’ SIL verification

calculations will improve effectiveness and

consistency.”

12 Copyright © exida.com LLC 2000-2015


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Who can the SERH help? SIL Verification Customers:

• Quick and convenient data to use in calculations

• Effortless search of assessment levels in products to

determine whether to do Proven-In-Use verifications

• Save hours of research for each product providing

data for necessary calculations for the process

industry

• Avoid use of unrealistic data resulting in unsafe

designs

• Avoid expensive redesigns of systems after an

independent functional safety assessment is

accomplished


Who can the SERH help? Conceptual design and Instrumental Engineers

• Convenient equipment selection saves time not having

to conduct research in which items have already been

evaluated for functional safety

• Quick and convenient data to use in calculations

• Effortless search of assessment levels in products to

determine whether to do Proven-In-Use verifications

• Save hours of research for each product providing data

for necessary calculations for the process industry

• Avoid use of unrealistic data resulting in unsafe designs

• Avoid expensive redesigns of systems after an

independent functional safety assessment is

accomplished


Features and Benefits

• Failure Data specific for Safety Instrumented System

Design and Verification for precise calculations

• Comprehensive data from FMEDA results including

• Failure Rates

• Useful Life

• Certification Status and SIL Capability

enabling an all-inclusive level of detail and analysis

along with advanced modeling tools, such as

ExSILentia, that will permit the customer to investigate

what type of coverage is expected and what credit can

be claimed for Safety Instrumented Functions.


Features and Benefits

• Numerous different manufacturers and equipment from

more than 200 OEMs enabling quick and easy searches

for certified function safety products

• Accurate and precise data for specific manufacturers and

products based on detailed analysis of product by the

exida predictive analytics qualifying accurate failure rates

and data for precise calculations

• The only product specific reliability data source on the

market allows you to save hours of research while

reviewing the largest collection of data available.


What does the SERH encompass?

An expansive collection of equipment items comprised of

FMEDA results for:

• Volume 1: Sensors, including Fire and Gas, Flame Monitoring,

Flow, Level, Pressure, Proximity, and Temperature measurements

• Volume 2: Logic Solvers & Interface Modules, including Barriers,

Surge protection devices, Relays, logic solvers, Fire and Gas

Systems, and solenoid drivers

• Volume 3: Final Elements, including Final Element interfaces

such as solenoids and digital valve positioners, Pneumatic

interfaces such as Quick Exhaust valves, Actuators, Valves such

as ball, butterfly, gate, etc. valves, and Gas Pressure Regulating

Valves


21

What does the SERH encompass?

Copyright © 2015 exida

An expansive collection of equipment items features:

• 100+ Different Pressure Measurement Devices

• 100+ Different Level Measurement Devices

• 90+ Different Fire and Gas Devices

• 50+ Different Temperature Devices

• 200+ Different Input Interface Modules

• 100+ Different Output Interface Modules

• 30+ Different PLCs

• 30+ Different Limited Function System and Relays

• 200+ Different Valves

• 100+ Different Actuators

• 150+ Different Final Element Interfaces (Solenoids)

Why upgrade to Edition 4? Collection of equipment items has vastly increased since 3rd

Edition.

• New manufacturers

• Several new devices, for example the 4th Edition includes over 200

unique valves increased from 20 in the 3rd Edition

Products have been re-analyzed and/or new versions have

been included

Additional equipment information listed

• Route 1H or Route 2H

• Environmental profiles

• Internal Fault Detection Time

• Applicable Hardware and Software version


Architectural Constraints from

FMEDA Results

Route 1H - Safe Failure Fraction (SFF)

according to 7.4.4.2 of IEC 61508.

Safe Failures

Safe + Dangerous Failures

Route 2H - Assessment of the reliability data

for the entire element according to 7.4.4.3.3

of IEC 61508. 23 Copyright © 2015 exida

Route 2H


exida’s 2H database

25

• Summarizing all data collected to date through assessments.

• 1B + hours on about 50% of the components on the mechanical database

• Total of 100 B operating hours collected

Copyright © exida.com LLC 2000-2015

Environmental Profiles

exida has divided atmospheres into 6 categories:

• Cabinet mounted/ Climate Controlled

• Low Power Field Mounted - no self-heating

• General Field Mounted – self-heating

• Subsea

• Offshore

• Process wetted


Each product is evaluated at the appropriate environment, which is listed

in the SERH along with the descriptions and conditions for each profile.




o exida authored most

industry references

for automation safety

and reliability

o exida authored

industry data

handbook on

equipment failure data

o exida authored the

most comprehensive

book on functional

safety in the market.

www.exida.com


Additional Reference Material


More information about the SERH can be found at www.exida.com.

http://www.exida.com/Books/Safety-Equipment-Reliability-Handbook-4th-Edition


excellence in dependable automation

[email protected]

http://www.exida.com/



























Documents

Safety Equipment Reliability Handbook (SERH) 4th edition · •SRS Tool •SIL Verification Tool • Direct average calculation engine ... • Effortless search of assessment levels