Emerson 1805 Series Relief Valves Manual de Instruções descarregar pdf

1805 Series

D100345X012

Instruction Manual

Form 1211

October 2011

1805 Series Relief Valves

Failure to follow these instructions or

to properly install and maintain this

equipment could result in an explosion

and/or re causing property damage and

personal injury or death.

Fisher

relief valves 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 a leak develops or if the outlet

continually vents gas, service to the unit

may be required.

Failure to correct trouble could result in

a hazardous condition. Only a qualied

person must install or service the unit.

Call a gas service person to service the

unit. Only a qualied person must install

or service the 1805 Series Relief Valves.

Introduction

Scope of the Manual

This Instruction Manual provides installation,

adjustment, maintenance, and parts ordering

information for 1805 Series relief valves.

Description

The 1805 Series relief valves are primarily designed

for use in farm tap applications where a safety relief

valve is needed between the rst and second stage

regulators. The 1805 Series is suitable for service on

Figure 1. 1805 Series Relief Valve

P1026

natural gas, air, propane, or any operating medium that

is not corrosive to the internal parts. Relief pressure

ranges from 5 to 125 psi / 0,34 to 8,6 bar. Maximum

pressure, including buildup, is 150 psi / 10,3 bar.

Specications

The Specications section lists the specications for

the 1805 Series relief valve. The following information

is stamped on the relief valve at the factory: type

number, date of manufacture, spring range, maximum

inlet pressure, and maximum allowable inlet pressure.

WARNING

www.sherregulators.com

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Resumo do Conteúdo

Página 1 - 1805 Series Relief Valves

1805 SeriesD100345X012Instruction ManualForm 1211October 20111805 Series Relief ValvesFailure to follow these instructions or to properly install and

Página 2 - 1805 Series

1805 Series2SpecicationsAvailable ConstructionsType 1805-2 - Cast iron spring case, closing cap with 1/4 NPT vent placed over the adjusting screw. A

Página 3 - Type XXXX

1805 Series3Principle of OperationSee Figure 2. Relief valves respond to changes in upstream pressure. If upstream pressure increases and exceeds th

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1805 Series4InstallationAfter unpacking, check the relief valve for shipping damage. Remove pipe scale and other foreign material from the connecting

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1805 Series5OverpressureRelief pressure ratings are from 5 to 125 psi / 0,34 to 8,6 bar. The maximum inlet pressure, including buildup, is 150 psi /

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1805 Series6Figure 4. Type 1805-3 Relief Valve Assembly (Also typical of 1805 relief valves)BE9481_D17141513121819111091682453761

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1805 Series7Parts ListKey Description Part Number Parts kit (included are keys 3, 5, and 8) 3/4 and 1 NPT body sizes R1805X00012 1

Página 8

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