Emerson 2100 Manuel utilisateur

2100 Series Emergency Pressure Relief Vent and

Manhole Cover (ATEX Approved)

Table of Contents

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

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

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

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

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

Startup..........................................................................6

Maintenance................................................................7

▲ 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.

Enardo™ 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

Tulsa, LLC 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.

Introduction

Scope of the Manual

This Instruction Manual provides instructions

for installation, maintenance and parts ordering

information for the 2100 Series Emergency Pressure

Relief Vent.

Product Description

The 2100 Series Emergency Pressure Relief Vent is

designed to provide simple, reliable operation as an

emergency vent, while providing e󰀩cient access to

your tank and maintaining the industry leading sealing

standards (1 SCFH at 90% set point). It also provides

trouble free operation with a minimum maintenance.

There are two available congurations for 2100 Series:

tethered and restrained (see Figure 3).

Figure 1. 2100 Series

Instruction Manual

D103823X012 2100 Series

December 2021

North America Only

Specications

The Specications section lists the specications for the 2100 Series. The following information are stamped on

the nameplate attached to the relief vent: model number, connection size, date of manufacture, serial number,

pressure setting and ow rate.

Connection Sizes Available

16, 20 and 24 in. / 387, 489 and 591 mm

Pressure Ranges(1)

0.7 to 8.0 oz./sq. in. and 1.2 to 14.0 in. w.c.

Construction Materials

Base: Carbon steel, 304 Stainless steel and

316 Stainless steel

Lid and Seal Support: Aluminum, 304 Stainless

steel and 316 Stainless steel

Construction Materials (continued)

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

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

Figure 2. 2100 Series Model Number Identification

TETHERED

RESTRAINED

Figure 3. 2100 Series Product Configurations

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

Connection Size

(16, 20 and 24 in.)

Base

2. Carbon steel

3. 304 Stainless steel

4. 316 Stainless steel

5. Exotic

Lid

1. Aluminum

2. Carbon steel

3. 304 Stainless steel

4. 316 Stainless steel

5. Exotic

Gasket

T. Teon®

N. Buna-N

V. Viton®

X. Special

Pressure Settings

n - in. w.c. 0.7 to 8.0

z - oz./sq. in. 1.2 to 14.0

Options

1. Special Coating

2. Optional Hardware

2 1

Bolt Pattern

1. ANSI

2. API (20 and

24 in. only)

2100 Series

North America Only

RESTRAINED CONFIGURATIONTETHERED CONFIGURATION

Product Identication and Marking

Hazardous Locations

Enardo™ Emergency Pressure Relief Vents are

available with outer housings of Carbon steel, stainless

steel or aluminum, as indicated in Figure 5.

Tagging Information

The nameplate is located on the unit’s base, above the

connection ange (see Figure 5).

Nameplate Information

A nameplate is attached to the vent and contains the

following information:

• Model Number – Ex. 2124-24T-1

NAMEPLATE LOCATION

Figure 5. Product Identification and Marking

HAZARDOUS LOCATION

OUTER HOUSING OF STAINLESS STEEL,

CARBON STEEL OR COATED ALUMINUM

OUTER HOUSING OF UNCOATED ALUMINUM

Figure 4. Operational Schematics

II 1 G Ex h IIC T6 Ga

II 2 G Ex h IIC T6 Gb

• Connection Flange Size – 24 in. / 610 mm

• 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

2100 Series

North America Only

Principle of Operation

The 2100 Series maintains 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 excessive 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 buildup. The vent reseals upon relief

and remains sealed; tethered lids may blow completely

o󰀨 in a catastrophic pressure event (see Figure 4).

It is important to know that 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. Please

feel free to contact your local Sales O󰀩ce with any

questions or for information on proper tank venting.

Figure 6.Recommended Seal Protection

Figure 7. Recommended Lifting Configuration

▲ WARNING

Wear protective gloves and clothing

to prevent skin contact when handling

lead weights. Wear eye protection. Avoid

breathing dust, fumes, mist, vapors and

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.

▲ WARNING

Make sure line is free of hazardous vapors

before installing or servicing the valve.

2100 Series

North America Only

Figure 8. Installation Configuration

Installation

▲ WARNING

The 2100 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.

Prior to installation, remove the unit from its crate

and discard any protective coverings. Follow the

recommended instructions for the installation of the

2100 Series.

1. Carefully remove the 2100 Series from its crating.

Note

The seal portion of the vent can be

damaged through improper handling,

protect this surface with a padding

material while transporting the unit

if possible.

▲ WARNING

Failure to use spreader bar in lifting the

unit may result in personal injury, damage

to the unit and damage to the equipment.

Figure 9. Final Installation

There should be no tension on the

lanyards if the unit is to be hoisted in

position, failure to do so may result in

damage to the unit.

2. Use an appropriate spreader bar when lifting

the unit by the installed eyebolts. If the complete

unit is to be hoisted into position using installed

eyebolts, rst secure the base to the lid so that

there is no tension on the lanyards. Lanyards are

load-rated to 350 lbs / 160 kg each; damage to

other components may occur.

3. Install the 2100 Series on ange bolt patterns that

match that of the vent itself. If a matching pattern

is not available, please contact your local Sales

O󰀩ce for an adapter. The attachment ange

base must be a level surface. Use an appropriate

gasket placed between the 2100 Series ange and

the attachment ange, center the vent into place.

4. 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. Remove any spacer or seal

protection and inspect the now installed unit for

items that would keep it from working properly.

The sealing area should be free of any debris or

damage that would cause leakage.

2100 Series

North America Only

1. Remove the nylock nut and outer fender

washer. The loop slides o󰀨 the lanyard

attachment assembly.

2. Grip lid rmly and lift straight up until the bottom of

guide assembly clears the base or attach shackles

to the eyebolts and use a crane or hoist to lift.

Note

Be careful to keep the guide from denting

or scratching the sealing surface as this

can cause leaks.

Startup

▲ WARNING

Ensure the tank is at atmospheric pressure

before opening. A pressure buildup inside

the tank can cause a spray to be emitted

from the vent if opened under pressure.

Tethered Conguration

1. Grip lid rmly and lift straight up until the bottom of

guide assembly clears the base.

Note

Be careful to keep the guide from denting

or scratching the sealing surface as this

can cause leaks.

2. Move the lid away from the opening and set it

down on the guide assembly. The guide assembly

is designed to hold the cover assembly even at the

maximum 8 oz./sq. in. setting.

Restrained Conguration

3. Move the lid away from the opening set it down.

The guide assembly is designed to hold the cover

assembly even at the maximum 8 oz./sq. in. setting.

2100 Series

North America Only

Maintenance

Sealing Surface Protector

▲ WARNING

The sealing surface protector must be

removed before the 2100 Series is returned

to service. The vent will not seal with the

protector in place.

The following instructions are applicable only if the

sealing surface protector was also purchased for your

unit. This guard is available to prevent damage to the

sealing surface when the 2100 Series is being used

for tank access or for running air or weld leads into

the tank.

Figure 10. Surface Protector Installation Figure 11. Surface Protector Cross-Section

Remove the sealing surface protector from its bag.

Place one end of the protector over the machined

surface with the legs pointing down and the at side

up. Firmly press the protector over the sealing surface.

Move around the sealing surface making sure the

protector is snugly attached.

Seal Replacement Procedure

Tools and Supplies Needed:

• 2 standard 7/16 in. wrenches

• Torque wrench (recommended)

• 1 screwdriver, any type (for eyebolt units only)

• Adhesive tape (recommended for eyebolt units)

• 2100 Series seal

• 4-1/4 in. stat-o-seals (recommended)

Replacement Procedure:

▲ WARNING

Ensure the tank is at atmospheric pressure

before opening. A pressure buildup inside

the tank can cause a spray to be emitted

from the vent if opened under pressure.

1. Remove the Nylock nut and outer fender washer.

The loop slides o󰀨 the lanyard attachment

assembly. Remove the lid assembly from the base

and place on a level surface.

2. Loosen the 4 hex nuts on the bottom of the lid

assembly. If the unit is equipped with eyebolts,

insert the screwdriver through the eye to

provide leverage.

2100 Series

North America Only

5. Remove the hex nuts, washers, guide assembly,

stat-o-seals, seal support and seal. Take note of

the order in which the components are removed.

3. If the unit is equipped with eyebolts, place a

piece of adhesive tape over the hex bolt heads to

prevent them from falling out. This is not required,

but makes seal replacement much easier.

6. Discard seal. If replacement stat-o-seals were

ordered, discard old stat-o-seals.

7. Reassemble the lower lid components in the

reverse order of disassembly.

8. Before tightening hex nuts, ensure that the eyelet

on the lanyard(s) is pointing away from the

center of the lid. Failure to do this may result in

damage to the tank by preventing the unit from

opening fully in a pressure event. Tighten each nut

to 1 turn after snug.

9. Flip the lid assembly over so that the guide

assembly is facing down. Reinsert the lid into the

base and reattach the lanyard(s). Do not tighten

the hex nut and the nylock nut greater

than 12 ft•lbf.

4. Flip the lid assembly over so that the guide

assembly is facing up.

2100 Series

North America Only

16 12

11 14

RESTRAINED BASE (COVER ASSEMBLY NOT SHOWN)

Figure 12. 2100 Series Assembly Drawing

2100 Series

North America Only

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

Table 1. 2100 Series Seal Options

Table 2. Torque Specifications – Raised Face Flange, Steel Only

MATERIAL

GASKET AND SEAL OPTIONS

Part Number

16 in. 20 in. 24 in.

Buna-N NE3043037A0 NE3043040A0 NE3043043A0

Teon®NE3043038A0 NE3043041A0 NE3043044A0

Viton®NE3043039A0 NE3043042A0 NE3043045A0

NOMINAL PIPE DIAMETER NUMBER OF BOLTS BOLT DIAMETER TORQUE

in. mm ft-lbs N•m

16 16 1.00 25.4 159 216

20 20 1.13 28.7 214 290

24 24 1.25 31.8 253 343

Assumptions:

Use of SAE grade 5 bolts or studs or stronger.

No lubricant.

Compressed mineral fiber 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 flange bolted connections.

Parts Ordering

When corresponding with your local Sales O󰀩ce about

this equipment, always reference the equipment serial

number stamped on the nameplate.

Parts List

Key Description

1 Base, Carbon steel, 304 Stainless steel

and 316 Stainless steel

2 Cover, Aluminum, Zinc-plated Carbon steel, 304 Stainless steel

and 316 Stainless steel

3 Seal Support, Aluminum, Zinc-plated Carbon steel,

304 Stainless steel and 316 Stainless steel

4 Shield, Aluminum, Zinc-plated Carbon steel, 304 Stainless steel

and 316 Stainless steel

5 Guide, Aluminum, Zinc-plated Carbon steel, 304 Stainless steel

and 316 Stainless steel

6 Seal, Buna-N, Teon®and Viton®

7 Stat-O-Seal, 1/4 in. Fluorocarbon, Stainless steel and Viton®

8 Flat Washer, 1/4 in., 316 Stainless steel

Key Description

When ordering replacement parts, specify the

complete 11-character part number found in Table 1.

9 Fender Washer, 1/4 x 1 in. O.D., 316 Stainless steel

10 Lock Washer, 1/4 in., 316 Stainless steel

11 Hex Bolt, 1/4 in. - 20 x 3 in., 316 Stainless steel

12 Hex Bolt, 1/4 in. - 20 x 2 in., 316 Stainless steel

13 Hex Nut, 1/4 in. - 20, 316 Stainless steel

14 Eyebolt, 1/4 in. - 20 x 3 in., 316 Stainless steel

15 Nylock Hex Nut, 1/4 in. - 20, 316 Stainless steel and Nylon

16 Roller, Zinc-plated Carbon steel, 316 Stainless steel

17 Weight, “Makes”, Zinc-plated Carbon steel

18 Weight, oz./sq. in. or in. w.c., Zinc-plated Carbon steel and

316 Stainless steel

19 Lanyard, Tether or Restraint, 316 Stainless steel

2100 Series

North America Only

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