EMERSON Y696 Installation Guide

Type Y696Installation Guide

D101770X014 English – February 2016

Introduction If the regulator vents fluid or a leak develops in the system, it indicates

This installation guide provides instructions for

that service is required. failure to

installation, startup and adjustment. To receive a

take the backpressure regulator out

copy of the instruction manual, contact your local

of service immediately may create a

Sales Office or view a copy at www.fisher.com. For

hazardous condition.

further information refer to: Type Y696 Instruction

Manual, D101770X012. Personal injury, equipment damage or leakage due to escaping fluid or bursting of pressure-containing parts

PED Categories

may result if this backpressure regulator

This product may be used as a safety accessory with is overpressured or is installed where pressure equipment in the following Pressure Equipment service conditions could exceed the limits Directive categories. It may also be used outside of the given in the Specifications section, or Pressure Equipment Directive using sound engineering where conditions exceed any ratings of practice (SEP) per table below. For information on the the adjacent piping or piping connections. current PED revision see Bulletin: D103053X012.

to avoid such injury or damage, provide Pro Du Ct s Iz E Cat Egor IEs flu ID ty PE pressure-relieving or pressure-limiting devices (as required by the appropriate

DN 40 and 50 / NPS 1-1/2 and 2

code, regulation or standard) to prevent service conditions from exceeding limits.

Specifications

additionally, physical damage to

Body sizes and End Connection styles(1)

the backpressure regulator could

See Table 1

result in personal injury and property

Maximum allowable Inlet and outlet Pressures(1) damage due to escaping fluid. To 1.0 bar / 15 psig avoid such injury and damage, install

the backpressure regulator in a

Proof test Pressure

safe location.

All Pressure Retaining Components have been proof tested per Directive. Clean out all pipelines before installation of the

regulator and check to be sure the regulator has not

Control Pressure ranges(1)

been damaged or has collected foreign material during

See Table 2

shipping. For NPT bodies, apply pipe compound to

temperature Capabilities(1)

the external pipe threads. For flanged bodies, use

Nitrile (NBr): -29 to 82°C / -20 to 180°F

suitable line gaskets and approved piping and bolting

fluorocarbon (f KM): 4 to 149°C / 40 to 300°F

practices. Install the backpressure regulator in any

Perfluoroelastomer (ff KM): -18 to 149°C /

position desired, unless otherwise specified, but be

0 to 300°F

sure flow through the body is in the direction indicated

Ethylenepropylene (EPDM): -29 to 135°C /

by the arrow on the body.

-20 to 275°F

Installation

It is important that the backpressure regulator be installed so that the vent

War NINg

hole in the spring case is unobstructed at all times. for outdoor installations,

Only qualified personnel should install

the backpressure regulator should be

or service a backpressure regulator.

located away from vehicular traffic and

Backpressure regulators should be

positioned so that water, ice and other

installed, operated and maintained

foreign materials cannot enter the spring

in accordance with international and

case through the vent. avoid placing the

applicable codes and regulations and

backpressure regulator beneath eaves

Emerson Process Management regulator

or downspouts, and be sure it is above

technologies Inc. instructions.

the probable snow level.

1. The pressure/temperature limits in this installation guide and any applicable standard or code limitation should not be exceeded.