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299H Series

D102684X012

Instruction Manual

Form 5497

January 2014

www.sherregulators.com

299H Series Pressure Reducing Regulators

WARNING

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

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.

(Regulator Technologies) 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.

Call a gas service person to service the

unit. Only a qualied person must install

or service the regulator.

Introduction

Scope of the Manual

This Instruction Manual provides installation, adjustment

and maintenance instructions and parts ordering

information for the 299H Series regulators. Complete

instructions and parts list for the 67C Series ltered pilot

supply regulator and other Fisher equipment are found

in separate instruction manuals.

Description

The 299H Series pressure reducing regulators provide

a broad capacity of controlled pressure ranges and

capacities in a wide variety of distribution, industrial

and commercial applications. A 299H Series regulator

has a pilot integrally mounted to the actuator casing.

The 299H Series regulators can handle inlet pressures

up to 175 psi / 12.1 bar depending on orice size.

Figure 1. 299H Series Pressure Reducing Regulator

The integral token relief on the Types 299HR and

299HSR regulators is located in the pilot and opens

to relieve minor overpressure.

The Type 299HS provides overpressure or overpressure

and underpressure protection by completely shutting off

the ow of gas to the downstream system. It comes with

a Type VSX-2 slam-shut device which can be congured

for Ovepressure Shutoff (OPSO) or Overpressure and

Underpressure Shutoff (OPSO/UPSO). The slam-shut

device’s actions are independent of the main valve and

of variations to the inlet pressure. The Type VSX-2

slam-shut device has internal or external registration.

External registration requires a downstream sensing line.

W7513

1 2 3 4 5 6 ... 19 20

299H Series 1
Type 299H 4

Indice de contenidos

Pagina 1 - 299H Series

299H SeriesD102684X012Instruction ManualForm 5497January 2014www.sherregulators.com299H Series Pressure Reducing Regulators!WARNINGFailure to follow

Pagina 2

299H Series10NoteThe regulator body may remain in the pipeline during maintenance procedures.Main Actuator DiaphragmFollow this procedure to change th

Pagina 3

299H Series11KEY 72 - OPTIONAL P590 SERIES FILTERFigure 3. Optional P590 Series FilterA7008Main Body Valve Disk and OriceFollow this procedure to ins

Pagina 4 - Type 299H

299H Series123. Remove the bonnet (key 34), spring seat (key 33) and control spring (key 32).4. If only replacing the control spring (key 32), spari

Pagina 5

299H Series13Parts List299H Series Regulator (Figures 4, 5 and 6)Key Description Part Number Parts Kit (Includes keys 8, 9, 13, 14, 15, 28, 49,

Pagina 6

299H Series1425262724 59S161252756 24 26L1Figure 5. 299H Series Interior AssemblyT80391-2T80391-3EXTERNAL REGISTRATIONINTERNAL REGISTRATIONLOCKING DOW

Pagina 7

299H Series15252756612426L112 1413 15168 8081 4 5 93 6 711109L2L2 L1L1AL193S23/4 NPTDOWNSTREAMCONTROL LINECONNECTIONT80391-7Figure 5. 299H Series Inte

Pagina 8

299H Series1678 20 72 20797920762078S1S1TYPE 67CF PILOTSUPPLY REGULATOR78 20 72 20797920762078S1S1TYPE 67CF PILOTSUPPLY REGULATOR299H SERIES EXTERIOR

Pagina 9

299H Series1724 Machine Screw, Steel (2 required) 1B42042898225 Lever Pin, Stainless steel (2 required) 1H97293503226 Lever, Steel T13813T001227

Pagina 10

299H Series18Figure 7. Type VSX-2 Assembly (for Types 299HS and 299HSR)T80423VIEW ANOTE: FOR KEYS 12, 13, 17, 82 AND 83, REFER TO 299H SERIES REGULATO

Pagina 11

299H Series19TYPE VSX ADJUSTING TOOL USE THIS END FOR UNDERPRESSURE TRIP ADJUSTMENT USE THIS END FOR OVERPRESSURE TRIP ADJUSTMENTFigure 8. Type VSX

Pagina 12

299H Series2SpecicationsSpecications for 299H Series constructions are given below. Some specications for a given regulator as it originally comes

Pagina 13

Pagina 14

299H Series3Table 2. Outlet Pressure RangesOUTLET (CONTROL)PRESSURE RANGETYPE PILOT CONTROL SPRING299H299HR, 299HS and 299HSRPart Number ColorFree Len

Pagina 15

299H Series4Type 299H Internal RegistrationE0070INLET PRESSUREOUTLET PRESSUREATMOSPHERIC PRESSUREJuly 2008Type 299HLOADING PRESSUREOUTLETINLETKGCABEHF

Pagina 16

299H Series5Principle of Operation!WARNINGSince a pilot-operated regulator is constructed of both a pilot and a main valve, do not exceed the maximum

Pagina 17

299H Series6Once the ball is released, the spring force on the stem will push the stem and disk to the closed position against the seat shutting off a

Pagina 18

299H Series7if this regulator is overpressured or is installed where service conditions could exceed the limits for which the regulator was designed o

Pagina 19

299H Series8In many instances, it will be necessary to enlarge the downstream piping to keep ow velocities within good engineering practices. Expand

Pagina 20

299H Series9(key 36). Turning the adjusting screw clockwise into the spring case increases the controlled or reduced pressure setting. Turning the scr

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