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Instruction Manual
D103823X012
December 2021
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,
fire 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 qualified
service person to service the unit.
Installation, operation and maintenance
procedures performed by unqualified
person may result in improper adjustment
and unsafe operation. Either condition
may result in equipment damage or
personal injury. Only a qualified person
shall install or service the emergency
pressure relief vent.
Figure 1. 2100 Series
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 efficient 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 configurations for 2100 Series:
tethered and restrained (see Figure 3).
2100 Series
Related Manuals for Emerson Enardo 2100 Series
Summary of Contents for Emerson Enardo 2100 Series
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Page 1: Table Of Contents
This Instruction Manual provides instructions and maintained in accordance with for installation, maintenance and parts ordering federal, state and local codes, rules information for the 2100 Series Emergency Pressure and regulations and Emerson Process Relief Vent. Management Regulator Technologies Tulsa, LLC instructions. Product Description Failure to correct trouble could result in a hazardous condition. -
Page 2: Specifications
2100 Series Specifications The Specifications section lists the specifications 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 flow rate. Connection Sizes Available Construction Materials (continued) 16, 20 and 24 in. -
Page 3: Product Identification And Marking
2100 Series TETHERED CONFIGURATION RESTRAINED CONFIGURATION Figure 4. Operational Schematics II 1 G Ex h IIC T6 Ga OUTER HOUSING OF STAINLESS STEEL, CARBON STEEL OR COATED ALUMINUM II 2 G Ex h IIC T6 Gb OUTER HOUSING OF UNCOATED ALUMINUM HAZARDOUS LOCATION NAMEPLATE LOCATION Figure 5. -
Page 4: Principle Of Operation
2100 Series Figure 6. Recommended Seal Protection Figure 7. Recommended Lifting Configuration Principle of Operation ▲ WARNING The 2100 Series maintains a tight seal until system Wear protective gloves and clothing pressure exceeds the set pressure of the vent. To adjust to prevent skin contact when handling the set pressure, a series of weights may be stacked lead weights. -
Page 5: Installation
2100 Series Figure 8. Installation Configuration Figure 9. Final Installation 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 ▲ WARNING damage to the unit. 2. -
Page 6: Startup
2100 Series Startup Restrained Configuration ▲ 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. -
Page 7: Maintenance
2100 Series Figure 10. Surface Protector Installation Figure 11. Surface Protector Cross-Section Maintenance Replacement Procedure: Sealing Surface Protector ▲ WARNING ▲ Ensure the tank is at atmospheric pressure WARNING before opening. A pressure buildup inside the tank can cause a spray to be emitted The sealing surface protector must be from the vent if opened under pressure. - Page 8 2100 Series 3. If the unit is equipped with eyebolts, place a 6. Discard seal. If replacement stat-o-seals were piece of adhesive tape over the hex bolt heads to ordered, discard old stat-o-seals. prevent them from falling out. This is not required, but makes seal replacement much easier.
- Page 9 2100 Series RESTRAINED BASE (COVER ASSEMBLY NOT SHOWN) Figure 12. 2100 Series Assembly Drawing...
- Page 10 2100 Series Parts Ordering When corresponding with your local Sales Office about When ordering replacement parts, specify the this equipment, always reference the equipment serial complete 11-character part number found in Table 1. number stamped on the nameplate. Parts List Description Description Fender Washer, 1/4 x 1 in.
- Page 11 2100 Series Table 3. Torque Specifications – Flat Face Flange, Steel or Aluminum BOLT DIAMETER TORQUE NOMINAL PIPE DIAMETER NUMBER OF BOLTS ft-lbs N•m 1.00 25.4 1.13 28.7 1.25 31.8 20 API 0.63 16.0 24 API 0.63 16.0 Assumptions: Use of SAE grade 5 bolts or studs or stronger. No lubricant.
- Page 12 Technologies, Inc. All rights reserved. 12/21. Emerson Automation Solutions The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Enardo™ is a mark owned by Regulator Technologies Tulsa, LLC, a...