Emerson Y696VR Instruction Manual download pdf

Y696VR Series

D102662X012

Instruction Manual

Form 5480

June 2009

www.emersonprocess.com/regulators

Y696VR Series Vacuum Regulators

Figure 1. Type Y696VR Vacuum Regulator

W7431

WARNING

Failure to follow these instructions or

to properly install and maintain this

equipment could result in an explosion,

re and/or chemical contamination

causing property damage andpersonal

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 RegulatorTechnologies 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 unqualied

personnel may result in improper

adjustment and unsafe operation. Either

condition may result in equipment

damage or personal injury. Use qualied

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.

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.

Specications

Some general ratings and specications for the

Y696VR Series vacuum regulators are given on page 2.

Individual regulators from the factory are supplied with

the specic data stamped on the nameplate.

1 2 3 4 5 6 7 8

Y696VR Series 1

Summary of Contents

Page 1 - Y696VR Series

Y696VR Series D102662X012Instruction ManualForm 5480June 2009www.emersonprocess.com/regulatorsY696VR Series Vacuum RegulatorsFigure 1. Type Y696VR Vac

Page 2

Y696VR Series 2SpecicationsBody Sizes and End Connection Styles(1)See Table 1Maximum Allowable Emergency Inlet (Casing) Pressure(2)±15 psig (±1,03 ba

Page 3

Y696VR Series 3NoteIf this equipment is shipped mounted on another unit, install the unit according to the appropriate instruction manual. 1. Only p

Page 4

Y696VR Series 4These procedures are for gaining access to the disk assembly, orice, and body gasket. All pressure must be released from the diaphrag

Page 5

Y696VR Series 5 diaphragm head (key 24), diaphragm (key 5), and upper diaphragm head (key 6) on the pusher post (key 8) and attach

Page 6

Y696VR Series 6Parts ListKey Description Part Number1 Spring 1 to 3-inches w.c. (2 to 7 mbar) 1D892527022 1-1/2 to 5-inches w.c. (4 to 12 mb

Page 7

Y696VR Series 7A7176TYPE Y696VRM BODY AND STEM ASSEMBLY DETAILA7175TYPE Y696VR ASSEMBLYFigure 3. Types Y696VR and Y696VRM Vacuum Regulator Assemblies

Page 8

Y696VR Series The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. F