Emerson Anderson Greenwood 2000A Series Bedienungsanleitung

P1888

Instruction Manual

D104617X012

Table of Contents

Introduction............................................................................1

Specifications ........................................................................2

Product Identification and Marking ........................................3

Principle of Operation............................................................4

Installation .............................................................................5

Maintenance..........................................................................6

▲WARNING

Failure to follow these instructions or to

properly install and maintain this equipment

could result in an explosion, re and/or

chemical contamination causing property

damage and personal injury or death.

Anderson Greenwood Emergency Pressure

Relief Vent must be installed, operated and

maintained in accordance with federal, state

and local codes, rules and regulations, and

Emerson Process Management Regulator

Technologies, Inc. (Emerson) instructions .

Failure to correct trouble could result in a

hazardous condition. Call a qualied service

person to service the unit. Installation,

operation and maintenance procedures

performed by unqualied person may result

in improper adjustment and unsafe operation.

Either condition may result in equipment

damage or personal injury. Only a qualied

person shall install or service the emergency

pressure relief vent.

Figure 1. 2000A Series Emergency Pressure Relief Vent

Figure 2. 2000A Series with Smart Wireless Monitoring

Introduction

Scope of the Manual

This Instruction Manual provides instructions for installation

and maintenance for the 2000A Series Emergency Pressure

Relief Vent (EPRV).

Product Description

Emergency pressure relief vents are designed to provide an

emergency pressure relief opening for storage tanks when

exposed to overpressures that are not handled by standard

tank vents.

The 2000A Series Emergency Pressure Relief Vent (EPRV)

provides pressure relief only. Properly-sized 2000A Series

meet the API standard 2000 for emergency venting due to

re exposure. This vents provide quick easy access for tank

inspection and maintenance.

2000A Series Emergency Pressure Relief Vents

(ATEX Approved)

August 2022

2000A Series

Outside North America Only

1. The pressure limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.

II 1 G Ex h IIC T6 Ga

II 2 G Ex h IIC T6 Gb

II 1 G Ex h ia IIC T5 Ga

Specications

The Specications section lists the specications for the 2000A Series. Specication is stamped on the nameplate attached to

the emergency relief vent. Refer to Product Identication and Marking section for the nameplate details.

Connection Sizes Available

See Table 1

Pressure Ranges(1)

2.0 to 32.0 oz./sq. in.

(0.5 oz./sq. in. increments)

3.5 to 55.0 in. w.c.

(1.0 in. w.c. increments)

8.6 to 138 mbar

(2.2 mbar increments)

Construction Materials

Base and Arm

Carbon Steel, 304 Stainless steel and

316L Stainless steel

Disk and Seal Support

Aluminum, 304 Stainless steel and

316L Stainless steel

Seal

Buna-N, FEP Teon®and Viton®

Certication

EN IEC 60079-0:2018

EN IEC 60079-11:2012

EN ISO 80079-36:2016

EN ISO 80079-37:2016

OUTER HOUSING OF STAINLESS STEEL,

CARBON STEEL OR COATED ALUMINUM

OUTER HOUSING OF UNCOATED ALUMINUM

SMART WIRELESS ID MARKING

HAZARDOUS LOCATION

Figure 3. Product Identification and Marking

Table 1. Connection sizes and Model Number

SERIES MODEL

CONNECTION SIZE

ANSI API

2000A Series Emergency Pressure Relief -

For Pressure Relief Only

2020 20 in. 20 in.

2024 24 in. 24 in.

Teon®and Viton®are marks owned by E. I. du Pont de Nemours and Company.

2000A Series

Outside North America Only

Teon®and Viton®are marks owned by E. I. du Pont de Nemours and Company.

2 0 A — —

Anderson Greenwood

— —

Figure 4. Emergency Pressure Relief Vent Model Number

Figure 5. Nameplate

Series Connection Size Base and Arm

2 = Carbon Steel

3 = 304 Stainless Steel

4 = 316L Stainless Steel

5 = Exotic

Disk Cover

1 = Aluminum

3 = 304 Stainless Steel

4 = 316L Stainelss Steel

5 = Exotic

Gasket

T = Teon®

N = Buna-N

V = Viton®

X = Special

Bolt Pattern

1 = ANSI

2 = API

Pressure Settings

n = in. w.c.

z = oz./sq. in.

2.0. to 32.0 oz./sq. in.

(0.5 oz./sq. in.

increments)

3.5 to 55.0 in. w.c.

(1.0 in. w.c.

increments)

8.6 to 138 mbar

(2.2 mbar increments)

Options

1 = Special Coating

2 = Optional Hardware

3 = Other

4 = Smart Wireless Monitoring

Base Material

Blank = Fabricated

C = Casting

F= Forged

Nameplate

Language

Blank = English

M - Chinese

Product Identication and Marking

Hazardous Locations

Emergency Pressure Relief Vents are available with outer

housings of carbon steel, stainless steel or aluminum as

indicated in Figure 3.

Nameplate

A nameplate is attached to the vent and contains the

following information:

• Model Number – Ex. 2024A-21T-1

• Connection Flange Size – 24 in.

• Serial Number

• Tag Number (Optional)

•Notied Body Number – Ex. 2460

• Cat. No. (Category Number)

- Category 1 – Stainless steel, Carbon steel or Coated

aluminum vents

- Category 2 – uncoated aluminum vents

• Date – date of manufacture

•Certicate – Ex. PRESAFE 17 ATEX 10273X

• Pressure Setting and Flow Rate

-Setting – Ex. Z4.0

-Flow Rate SCFH (Air) – Ex. 00000

Remote Monitoring Option

The Smart Wireless monitoring option is available with the

2000A Series. It allows the detection of the Open or Closed

position of the emergency vent from a remote site. Under

normal conditions, the emergency vent should be Closed. An

Open indication can alert personnel that there is a potential

safety or emissions issue that should be further investigated.

2000A Series

Outside North America Only

Figure 6. Pressure Flow

Principle of Operation (Figure 6)

The 2000A Series maintain a tight seal until system pressure

exceeds the set pressure of the vent. To adjust the set

pressure, a series of weights may be stacked onto the lid

assembly. When overpressure occurs, the weighted lid

assembly lifts, breaking the seal between the seat and

seal portion of the lid assembly. This allows vapors to pass

through the vent orice and relieve pressure build up. The

vent reseals upon relief and remains sealed.

Note

Relieving vapors near the set pressure in

a continuous manner may cause the lid

assembly to utter or oscillate. This is a

common occurrence in products of this type

in the industry. Operating the vent with utter

or oscillation over time may cause premature

vent damage or wear. Contact your local

Sales O󰀩ce for additional assistance.

Remote Monitoring Option

The Smart Wireless option for the 2000A Series consists of

the EPRV, a proximity sensor, and a wireless transmitter.

The built-in proximity sensor detects the open or closed

position using a magnetic target located on the arm

assembly on the hinged end. A signal is sent to the wireless

transmitter, which can then be sent to a control room via any

WirelessHART®Gateway. This wireless sensor networking

technology is based on the Highly Addressable Remote

Transducer (HART®) protocol. It is the most widely used

wireless networking standard used today and, for this

reason, the 2000A Series has been designed to integrate

with it. As long as the wireless gateway is WirelessHART®, it

will receive the Open or Closed signal from the device. The

WirelessHART®gateway will then send the information to a

control room which can make use of any number of software

integration packages.

HART®and WirelessHART®are marks owned by FieldComm Group.

VAPOR

MEDIA

FLUID LEVEL

2000A Series

Outside North America Only

Figure 7. 2000A Series Assembly Drawing

HINGE EAR

REINFORCEMENT DISK CENTER BOLT

ARM

VENT COVER

PRESSURE SEAL

SEAL

SUPPORT

BASE

ASSEMBLY

Installation

▲WARNING

Wear protective gloves and clothing to prevent

skin contact when handling lead weights. Wear

eye protection. Avoid breathing dust/fumes/

mist/vapors/spray. Do not eat, drink or smoke

while using the product. Avoid release to the

environment. Wash hands with soap and water

after handling. Keep away from excessive heat

and open ames.

Make sure line is free of hazardous vapors

before installing or servicing the valve.

The EPRV Series is shipped with its lid held

partially open. The lid assembly has attached

weights and is heavy. Use caution when

removing the shipping blocks and metal bands

to avoid injury to ngers and hands.

Before installing the relief vent, remove the unit from its crate

and discard any protective coverings. Follow the instruction

below for the installation of the 2000A Series.

Install the 2000A Series on the ange bolt patterns that

match with bolt pattern of the vent. The attachment ange

base should be at level surface.

1. Carefully remove the 2000A Series from its crate. The

seal portion of the vents is delicate, protect this surface

while handling the unit.

2. Place the appropriate gasket on the level attachment ange

and center the vent into place.

3. Insert the appropriate number of bolts and make sure the

vent is fastened securely. Installed bolts should be clear of

the lid assembly when it is in the full open position.

4. Inspect the installed unit from items that would keep it

from working properly. The sealing area should be free of

any debris that would cause leakage. The arm of the vent

should be able to fully open.

CONDUIT

SENSOR

MAGNETIC TARGET

TRANSMITTER

BRACKET

WIRELESS EAR

Figure 8. 2000A Series with Smart Wireless Monitoring Option

2000A Series

Outside North America Only

Maintenance

▲WARNING

Always make sure that the tank is at

atmospheric pressure before opening.

pressure build-up inside the tank can cause

a spray to be emitted from the vent if opened

under pressure.

An opened EPRV, where the EPRV arm and

cover have rotated away from contacting the

base, contains a large amount of potential

energy. Always use appropriate lifting

equipment when installing or maintaining the

EPRV to avoid the risk of serious injury if the

EPRV closes rapidly.

Follow the instruction below for the preventive maintenance

of the 2000A Series.

1. Rotate arm. Inspect and make sure the open and close

without block.

2. Inspect seat and seal whether they are damaged. Clear

away any debris or buildup that may cause the vent

to become lodged or impede air ow through the unit.

Clean the internal components with a suitable solvent

and non-abrasive cloth.

3. Close the arm slowly. Inspect the close without block.

4. Clear away any debris or buildup on the unit surface

that may cause the vent to become lodged, impede air

ow or add weight to the lid assembly (added weight will

adjust the pressure setting of the vent).

Remote Monitoring Maintenance

1. Maintain 2000A Series EPRV with Smart

Wireless Monitoring option in the same way as all

standard EPRV.

2. Take certain precautions when cleaning the transmitter.

The surface resistivity of the antenna assembly is

greater than 1 GΩ. To avoid electrostatic charge

build-up, it must not be rubbed or cleaned with solvents

or dry cloth.

Pressure Setting Information

The 2000A Series can reach various pressure settings in

units of ounces, inches of water, millimeter of water, or kPa

column. The minimum pressure setting that each vent can

achieve depends on the individual vent size and material.

Minimum settings are reached when the unit is installed by

itself. However, when weights are added to the arm of the

unit, elevated pressures can be reached. These elevated

settings are preset at the factory and should never be

eld adjusted.

ROTATE AND OPEN

Figure 9. Rotating and Opening the Arm

Figure 10. Closing the Arm

2000A Series

Outside North America Only

Table 2. Torque Specifications - Raised Face Flange, Steel only

NOMINAL PIPE DIAMETER # BOLTS BOLT DIAMETER, IN. TORQUE, FT-LBS.

20 20 1.13 214

24 24 1.25 253

Assumptions:

Use of SAE grade 5 bolts or studs or stronger

No lubricant

Compressed mineral ber material or similar

Notes:

If lubricant is used on bolts, apply torque reduction factor listed in Lubricant Table.

For best results hardened steel washers should be used on all cast ange bolted connections.

Table 3. Torque Specifications - Flat Face Flange, Steel or Aluminum

NOMINAL PIPE DIAMETER # BOLTS BOLT DIAMETER, IN. TORQUE, FT-LBS.

20 20 1.13 135

24 24 1.25 156

20 API 16 0.63 75

24 API 20 0.63 75

Assumptions:

Use of SAE grade 5 bolts or studs or stronger

No lubricant

Elastomer <70 Durometer Shore A

Notes:

Flat faced anges should never be mated to a raised face ange for installation.

If lubricant is used on bolts, apply torque reduction factor listed in Lubricant Table.

For best results hardened steel washers should be used on all cast ange bolted connections.

Table 4. Torque Reduction Factor per Lubricant

DESCRIPTION COEFFICIENT OF FRICTION MULTIPLY TORQUE VALUE IN TABLE BY

Machine Oil f = 0.15 0.75

API SA2 Grease f = 0.12 0.60

Nickel-based Lubricant f = 0.11 0.55

Copper-based Lubricant f = 0.10 0.50

Heavy-duty Lubricating Paste f = 0.06 0.30

2000A Series

Outside North America Only

The Emerson logo is a trademark and service mark of Emerson Electric Co.

All other marks are the property of their prospective owners.

Anderson Greenwood™ is a mark owned by one of the companies in the

Emerson Automation Solutions business unit of Emerson Electric Co.

The contents of this publication are presented for informational purposes

only, and while every e󰀨ort has been made to ensure their accuracy,

they are not to be construed as warranties or guarantees, express or

implied, regarding the products or services described herein or their use

or applicability. All sales are governed by our terms and conditions, which

are available upon request. We reserve the right to modify or improve the

designs or specications of such products at any time without notice.

Emerson Process Management Regulator Technologies Tulsa, LLC does

not assume responsibility for the selection, use or maintenance of any

product. Responsibility for proper selection, use and maintenance of

any Emerson Process Management Regulator Technologies Tulsa, LLC

product remains solely with the purchaser.

2000A Series

Facebook.com/EmersonAutomationSolutions

LinkedIn.com/company/emerson-automation-solutions

Twitter.com/emr_automation

[email protected]

Fisher.com

Outside North America Only

Emerson Automation Solutions

Americas

McKinney, Texas 75070 USA

T +1 800 558 5853

+1 972 548 3574

Tulsa, OK 74146 USA

T +1 918 662 6161

Europe

Bologna 40013, Italy

T +39 051 419 0611

Asia Pacic

Singapore 128461, Singapore

T +65 6777 8211

Middle East and Africa

Dubai, United Arab Emirates

T +971 4 811 8100

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