Emerson Fisher Y696VR Series Instruction Manual

Instruction Manual
D102662X012
January 2019
Y696VR Series Vacuum Regulators
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.
Fisher™ regulators must be installed,
operated, and maintained in accordance
with federal,state, and local codes,
rules and regulations, and Emerson
Process Management Regulator
Technologies Inc. instructions.
If the regulator vents gas or a leak
develops in the system, service to
the unit may be required. Failure
to correct trouble could result in a
hazardous condition.
Installation, operation, and maintenance
procedures performed by unqualified
personnel may result in improper
adjustment and unsafe operation. Either
condition may result in equipment
damage or personal injury. Use
qualified personnel when installing,
operating, and maintaining the
Y696 Series regulator.
Introduction
Scope of Manual
This manual describes and provides instructions and
parts lists for the Type Y696VR and the Type Y696VRM
vacuum regulators. Instructions and parts lists for
other equipment used with these breakers are found in
separate manuals.
W7431
Figure 1. Type Y696VR Vacuum Regulator
Product Description
The Y696VR Series direct-operated vacuum regulators
are used for precise control of small capacity,
low-pressure service applications where an increase
in vacuum must be limited. They are described
as follows:
Type Y696VR—The Type Y696VR has internal
pressure registration requiring no downstream
control line.
Type Y696VRM—The Type Y696VRM has a control
line connection and an O-ring stem seal blocking the
throat for external pressure registration.
Y696VR Series