ES-805 and ES-905 Series Vent Valves
Table of Contents
Introduction ............................................................................1
Specifications ........................................................................2
Principle of Operation ............................................................2
Model Identification................................................................2
Installation .............................................................................2
Maintenance ..........................................................................5
V-ring Replacement ...............................................................6
Retrofit ES-805 and ES-905 Series Pallet Assembly ............6
Parts Ordering .......................................................................6
Parts List................................................................................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™ vent valves 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 vent valves.
Introduction
Scope of the Manual
This Instruction Manual provides instructions for installation,
maintenance and parts ordering guide for the ES-805 and
ES-905 Series vent valves.
WARNING
!
The ES-805 and ES-905 Series vent valves is
not necessarily grounded when installed on
fiberglass reinforced plastic tanks unless the
base is electrically bonded to the tank.
To avoid personal injury or property damage
resulting from the effects of a static electricity
discharge from hatch components in a
hazardous atmosphere or where the process
fluid is combustible, electrically bond the base
to the tank with grounding strap.
Figure 1. Typical ES-805 Series In-Line Vent Valve
Figure 2. Typical ES-905 Series End-of-Line Vent Valve
Instruction Manual
D104466X012
April 2019
ES-805 and ES-905 Series
North America
Only
