EN Series Free Vent Flame Arrestor
Table of Contents
Introduction ........................................................................................1
Specifications ....................................................................................2
Principle of Operation ........................................................................3
Factors Affecting Flame Arrestor Performance ..................................3
Installation .........................................................................................3
Maintenance ......................................................................................5
Recommended Spare Parts ..............................................................7
Parts Ordering ...................................................................................7
Parts List............................................................................................8
!
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 flame arrestor 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 must install or
service the flame arrestor.
Introduction
Scope of the Manual
This Instruction Manual provides instructions
for installation, startup, maintenance and parts ordering information
for the Enardo Free Vent Flame Arrestor (FVFA).
Product Description
Enardo Free Vent Flame Arrestors are designed to allow free venting
in combination with flame protection for vertical vent applications.
This product is installed at the top of an atmospheric vent line or
storage tank.
Free Vent Flame Arrestors are typically used for the end of
line applications when the system operating pressure is near
atmospheric levels and when there is minimal probability of a flame
stabilizing on the flame arrestor element for an extended period.
Figure 1.
Typical Enardo Free Vent Flame Arrestor
Instruction Manual
D103771X012
September 2017
Free Vent Flame Arrestor
North America
Only