Figure 1.
Model ES-665-HF Spring-loaded Hatch
Model ES-665-HF High Flow
Spring-Loaded Hatch
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™ spring-loaded hatch
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
spring-loaded hatch.
Introduction
Scope of the Manual
This Instruction Manual provides instructions for installation,
startup, maintenance and parts ordering information for the
Model ES-665-HF spring-loaded hatch.
Table of Contents
Introduction ............................................................................1
Specifications ........................................................................2
Principle of Operation ............................................................2
Tagging Information ...............................................................2
Installation and Disassembly .................................................2
Maintenance ..........................................................................5
Parts Ordering .......................................................................7
Parts List................................................................................7
MODEL ES-665-HF WITH CLOSED HATCH
MODEL ES-665-HF WITH OPEN HATCH
P1806
P1807
Product Description
The Model ES-665-HF high flow gauge hatch is designed
to provide much higher flow rates than standard gauge
hatches, while maintaining the industry leading, tight sealing
performance of the ES-665 Series. It also provides trouble
free operation with maintenance. The primary function of the
Model ES-665-HF high flow hatch is to prevent the loss of
vapors in a closed storage system and provide pressure and
vacuum relief.
Instruction Manual
D104266X012
March 2019
Model ES-665-HF
North America
Only
