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Instruction Manual
D104617X012
August 2022
2000A Series Emergency Pressure Relief Vents
(ATEX Approved)
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, fire 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 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.
Introduction
Scope of the Manual
This Instruction Manual provides instructions for installation
and maintenance for the 2000A Series Emergency Pressure
Relief Vent (EPRV).
P1888
Figure 1. 2000A Series Emergency Pressure Relief Vent
Figure 2. 2000A Series with Smart Wireless Monitoring
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
fire exposure. This vents provide quick easy access for tank
inspection and maintenance.
2000A Series
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Summary of Contents for Emerson Anderson Greenwood 2000A Series
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Page 1: Table Of Contents
Emerson Process Management Regulator Technologies, Inc. (Emerson) instructions . Failure to correct trouble could result in a hazardous condition. Call a qualified service Figure 2. 2000A Series with Smart Wireless Monitoring person to service the unit. -
Page 2: Specifications
2000A Series Specifications The Specifications section lists the specifications for the 2000A Series. Specification is stamped on the nameplate attached to the emergency relief vent. Refer to Product Identification and Marking section for the nameplate details. Connection Sizes Available Construction Materials See Table 1 Base and Arm Carbon Steel, 304 Stainless steel and... -
Page 3: Product Identification And Marking
2000A Series Anderson Greenwood — — Series Connection Size Base and Arm Disk Cover Gasket Bolt Pattern 2 = Carbon Steel 1 = Aluminum T = Teflon 1 = ANSI ® 3 = 304 Stainless Steel 3 = 304 Stainless Steel N = Buna-N 2 = API 4 = 316L Stainless Steel... -
Page 4: Principle Of Operation
2000A Series VAPOR FLUID LEVEL MEDIA Figure 6. Pressure Flow Principle of Operation (Figure 6) Remote Monitoring Option The 2000A Series maintain a tight seal until system pressure The Smart Wireless option for the 2000A Series consists of exceeds the set pressure of the vent. To adjust the set the EPRV, a proximity sensor, and a wireless transmitter. -
Page 5: Installation
2000A Series CENTER BOLT REINFORCEMENT DISK HINGE EAR VENT COVER PRESSURE SEAL BASE SEAL ASSEMBLY SUPPORT Figure 7. 2000A Series Assembly Drawing TRANSMITTER BRACKET CONDUIT WIRELESS EAR SENSOR MAGNETIC TARGET Figure 8. 2000A Series with Smart Wireless Monitoring Option Installation Before installing the relief vent, remove the unit from its crate and discard any protective coverings. -
Page 6: Maintenance
2000A Series Maintenance ▲ WARNING ROTATE AND OPEN 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. - Page 7 2000A Series Table 2. Torque Specifications - Raised Face Flange, Steel only NOMINAL PIPE DIAMETER # BOLTS BOLT DIAMETER, IN. TORQUE, FT-LBS. 1.13 1.25 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.
- Page 8 Technologies, Inc. All rights reserved. 08/22. 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. Anderson Greenwood™ is a mark owned by one of the companies in the...