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Y695VR Series

D102598X012

Instruction Manual

Form 5467

December 2008

www.emersonprocess.com/regulators

Y695VR Series Vacuum Regulators

Introduction

Scope of Manual

This manual describes and provides instructions

and parts lists for the Types Y695VR and Y695VRM

vacuum regulators. Instructions and parts lists for

other equipment used with these regulators are found

in separate manuals.

Product Description

The Y695VR Series vacuum regulators are used for

precise control of small capacity, low-pressure service

applications where an increase in vacuum must be

limited. These direct-operated vacuum regulators

come in 3/4 and 1-inch (DN 20 and 25) body sizes

and have a 7/16-inch (11,1 mm) orice and a 1/4-inch

spring case vent connection with optional umbrella

vent assembly. The individual products are described

as follows:

Type Y695VR

The Type Y695VR is a vacuum regulator with internal

pressure registration requiring no downstream

control line.

Type Y695VRM

The Type Y695VRM is a vacuum regulator with

external registration. The throat is blocked with an

O-ring stem seal.

Specications

Specications for the Y695VR Series vacuum

regulators are listed on page 2. Specications for a

given regulator as it originally comes from the factory

are stamped on the nameplate.

W7295

Figure 1. Type Y695VR Vacuum Regulator

Installation

Personal injury, property damage,

equipment damage, or leakage due to

escaping gas or bursting of pressure-

containing parts may result if this

equipment is overpressured or is

installed where service conditions

could exceed the limits given in the

Specications, or where conditions

exceed any ratings of the adjacent

piping or piping connections. To

avoid such injury or damage, provide

pressure-relieving or pressure-limiting

devices (as required by the appropriate

code, regulation, or standard) to prevent

service conditions from exceeding

those limits. Additionally, physical

damage to this equipment could cause

personal injury or property damage due

to escaping gas. To avoid such injury or

damage, install the equipment in a safe

and well ventilated location.

WARNING

1 2 3 4 5 6 7 8

Y695VR Series 1

Inhaltsverzeichnis

Seite 1 - Y695VR Series

Y695VR SeriesD102598X012Instruction ManualForm 5467December 2008www.emersonprocess.com/regulatorsY695VR Series Vacuum RegulatorsIntroductionScope of M

Seite 2

Y695VR Series2CONTROL PRESSURE (VACUUM)OUTLET PRESSURE (VACUUM)ATMOSPHERIC PRESSUREB2582VACUUM BEINGCONTROLLEDHIGHERVACUUM SOURCEVACUUMPUMPSpecicatio

Seite 3

Y695VR Series3!WARNING!WARNINGEquipment operation within ratings does not preclude the possibility of damage from debris in the lines or from external

Seite 4

Y695VR Series4 4. Remove and inspect the body seal O-ring (key 11). For a Type Y690VBM, also inspect the throat seal O-ring (key 31) by remo

Seite 5

Y695VR Series5Table 1. Vacuum Control Pressure Ranges and Spring Part Numbers (Spring, Key 6) VACUUM CONTROL PRESSURE RANGESPRING PART NUMBERSPRING C

Seite 6

Y695VR Series6Table 2. Body Part Numbers (Key 1)BODY MATERIAL END CONNECTION STYLE(1)PART NUMBER3/4-Inch (DN 20) Body 1-Inch (DN 25) BodyDuctile iron

Seite 7

Y695VR Series7B2677_2Figure 3. Type Y695VR AssemblyB2677_1

Seite 8

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