Emerson El-O-Matic E Series Manual de instrucciones

SIL Safety Manual

DOC.SILM.EEP.EN Rev. 0

April 2017

EL-O-Matic E and P Series Pneumatic Actuator

SIL Safety Manual

schaal 1:1

EL MaticTM

EL-O-Matic E and P Series

DOC.SILM.EEP.EN Rev. 0

Table of Contents

April 2017

Table of Contents

Section 1: Functional Specification ��1

Section 2: Configuration of the Product ��2

Section 3: Service Condition Limitations ��3

Section 4: Expected Lifetime ��5

Section 5: Failure Modes and Estimated Failure Rates ��6

Section 6: Installation and Site Acceptance Procedure ��7

Section 7: Periodic Test and Maintenance Requirements ��8

7.1 General...................................................................................................... 8

7.2 Full-Stroke Test .......................................................................................... 8

7.3 Partial-Stroke Test...................................................................................... 9

7.4 Proof Test and Periodic Maintenance.......................................................... 9

Section 8: Hardware Fault Tolerance ��10

Section 9: Classification ��11

Section 10: Safe Failure Fraction ��12

Section 11: Mean Repair Time ��13

Functional Specification

Section 1: Functional Specication

The safety function for EL-O-Matic E and P Series pneumatic actuator is dened as follows:

Double-Acting Scenario:

a. When an unsafe condition is detected in a plant by a process sensor, the

controller, via actuator control system, drives the Actuator to close the

shut-down valve, depressurizing (if under pressure) the Opening side of

the actuator and pressurizing the Closing side of the actuator.

b. When an unsafe condition is detected in a plant by a process sensor, the

controller, via actuator control system drives the Actuator to open the

blow-down valve, depressurizing (if under pressure ) the Closing side

of the pneumatic actuator and pressurizing the Opening side of the

pneumatic actuator.

Single-Acting Scenario:

a. When an unsafe condition is detected in a plant by a process sensor, the

controller, via actuator control system drives the Actuator to rotate with

sufcient torque to move a valve to its fail-safe state when hold-position

air pressure is released.

The EL-O-Matic E and P Series brand Actuator Selection Procedure provides functional

denition with specics on input variables and performance.

In any case, the choice of the safety function to be implemented is responsibility of the

system integrator.

April 2017

SIL Safety Manual

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Section 1: Functional Specification

Configuration of the Product

Section 2: Conguration of the Product

The EL-O-Matic E and P Series are pneumatically operated actuators designed to operate

Ball / Plug / Buttery valves, automation of louvers and dampers & automation of any

quarter-turn mechanism. Both the double-acting and single-acting (spring-return) versions

of the EL-O-Matic E and P Series pneumatic actuators are designed in such a way that there

are no moving parts on the outside (with the exception of the position indicator). This

makes them safe, easy to install and virtually maintenance free.

For further details about actuator congurations, please refer to the EL-O-Matic E and

P Series product data sheets, Quick Reference Guide and Installation, Operation and

Maintenance manual.

SIL Safety Manual

DOC.SILM.EEP.EN Rev. 0 April 2017

Section 2: Configuration of the Product

Service Condition Limitations (Limitation of Use)

Section 3: Service Condition Limitations

(Limitation of Use)

The operating capabilities are listed below:

• Maximum Operating Pressure:

— Pneumatic Service

— Up to 8 Barg (116 PSIg)

• Ambient Temperature:

Temperature extremes require different solutions to maintain actuator operational

integrity and reliability. For each EL-O-Matic E and P Series actuator is available in

three different temperature executions.

— -20°C to +80°C (-4°F to +176°F) Standard temperature

— -20°C to +120°C (-4°F to +248°F) High Temperature

— -40°C to +80°C (-40°F to +176°F) Low Temperature

• Torque Output Range:

— Double-Acting EL-O-Matic E and P Series actuators, requiring pressure to

rotate in either direction, are available with a torque range between 4.8

Nm (42 lbf.in) and 6,619 Nm (58,583 lbf.in)

— The EL-O-Matic E and P Series spring-return models require pressure in

only one direction of travel and are suitable for air-fail close and air-fail to

open applications without modication. These models are available with a

spring end torque between 4.6 Nm (41 lbf.in) and 1958 Nm (17,330 lbf.in)

• Safety Function:

For spring-return models, the safety function is self-evident performed by the

springs. The safety function of double-acting models shall be performed by the

A-port. The failure rates in Section 5 are valid only for this conguration.

NOTE:

This product is only intended for use in large-scale xed installations excluded from the

scope of Directive 2011/65/EU on the restriction of the use of certain hazardous substances

in electrical and electronic equipment (RoHS 2).

April 2017

SIL Safety Manual

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Section 3: Service Condition Limitations (Limitation of Use)

Service Condition Limitations (Limitation of Use)

Figure 1 Use the A-Port for Safety Related Systems on Double-Acting Actuators

Data sheet

Sheet No.:

Date: November 2009

www.El-O-matic.com

Updated data sheets can be obtained from our website www.El-O-Matic.com or from your nearest Valve Automation Center USA : +1 813 319 0266 Europe : +31 74 256 10 10 Asia-Paciﬁc: +65 6501 4600

A-port pressurized

B-port pressurized

Pistons

Shaft

A-port pressurized

B-port pressurized

A-port pressurized

B-port pressurized

A-port pressurized

1.503 Rev. A DOUBLE ACTING ACTUATOR ASSEMBLY MODES E/P

SHAFT TURNED 90°

(from standard)

STANDARD

MOUNTING ACROSS LINE

MOUNTING IN LINE

MOUNTING ACROSS LINE

SHAFT TURNED 90°

PISTONS TURNED 180°

(from standard)

PISTONS TURNED 180°

(from standard)

(OPTIONAL L1/LF) LIMIT STOPS WILL ADJUST THE VALVE AT OPEN POSITION

(OPTIONAL L1/LF) LIMIT STOPS WILL ADJUST THE VALVE AT CLOSED POSITION

All views are from above

Pistons are shown in inner position

SIL Safety Manual

DOC.SILM.EEP.EN Rev. 0 April 2017

Section 3: Service Condition Limitations (Limitation of Use)

Expected Lifetime

Section 4: Expected Lifetime

Actuator lifetime (for which failure rates indicated in Par. 5 are ensured) strongly depends

on operating conditions.

For normal service conditions, EL-O-Matic E and P Series actuators can be in good

conditions also after more than 10 years with planned minimum maintenance. Normal

working life is the number of cycles as dened in Table 1 of EN 15714-3.

EL-O-Matic E and P Series carry a warranty period of:

• 18 months after delivery if properly stored in conditions that we declare or

• 12 months after installation on site.

April 2017

SIL Safety Manual

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Section 4: Expected Lifetime

Failure Modes and Estimated Failure Rates

Section 5: Failure Modes and Estimated

Failure Rates

Table 1� Failure Rates – EL-O-Matic E-Serie Pneumatic Actuator

Failure Category Failure Rate (in FIT)

Spring-Return Double-Acting

Fail Safe 76 0

Fail Dangerous Undetected 342 362

No Effect 1550 1285

Table 2� Failure Rates – EL-O-Matic P-Serie Pneumatic Actuator

Failure Category Failure Rate (in FIT)

Spring-Return Double-Acting

Fail Safe 80 0

Fail Dangerous Undetected 559 465

No Effect 1993 1265

The failure rates for the EL-O-Matic E and P Series pneumatic actuator when performing

partial valve stroke testing are listed in the table below:

Table 3� Failure Rates – EL-O-Matic E-Serie Pneumatic Actuator with partial valve stroke testing

Failure Category Failure Rate (in FIT)

Spring-Return Double-Acting

Fail Safe 76 0

Fail Dangerous Detected 225 201

Fail Dangerous Undetected 117 161

No Effect 1550 1285

Table 4� Failure Rates – EL-O-Matic P-Serie Pneumatic Actuator with partial valve stroke testing

Failure Category Failure Rate (in FIT)

Spring-Return Double-Acting

Fail Safe 80 0

Fail Dangerous Detected 370 256

Fail Dangerous Undetected 189 209

No Effect 1993 1265

NOTICE

No internal diagnostics is included in the device. These values are valid when taken in

account the maintenance interval and procedure described in Section 7, and for the

expected lifetime dened in Section 4.

SIL Safety Manual

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Section 5: Failure Modes and Estimated Failure Rates

Installation and Site Acceptance Procedure

Section 6: Installation and Site

Acceptance Procedure

Any necessary installation and site acceptance procedures are discussed in the EL-O-Matic

E and P Series actuators Installation, Operation and Maintenance manual. The Installation,

Operation and Maintenance manual denes exercising of the actuator after installation and

denes testing after maintenance.

April 2017

SIL Safety Manual

DOC.SILM.EEP.EN Rev. 0

Section 6: Installation and Site Acceptance Procedure

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