Goulds Pumps AF Manuale utente

Pump Safety Tips

Safety Apparel:

xInsulated work gloves when handling hot bearings

or using a bearing heater

xHeavy work gloves when handling parts with sharp

edges, especially impellers

xSafety glasses (with side shields) for eye protection,

especially in machine shop areas

xSteel-toed shoes for foot protection when handling

parts, heavy tools, etc.

xOther personal protective equipment to protect

against hazard/toxic fluids

Coupling Guards:

xNever operate a pump without a V-belt guard

properly installed

Flanged Connections:

xNever force piping to make a connection with a

pump

xUse only fasteners of the proper size and material

xEnsure there are no missing fasteners

xBeware of corroded or loose fasteners

Operation:

xDo not operate below minimum rated flow, or with

discharge valves closed

xDo not open vent or drain valves, or remove plugs

while system is pressurized

Maintenance Safety:

xAlways lockout power

xEnsure pump is isolated from system and pressure

is relieved before disassembling pump, removing

plugs, or disconnecting piping

xUse proper lifting and supporting equipment to

prevent serious injury

xObserve proper decontamination procedures

xKnow and follow company safety regulations

xNever apply heat to remove impeller

xObserve all cautions and warnings highlighted in

pump instruction manual

Safety Definitions

These pumps have been designed for safe and reliable operation when properly used and maintained in accordance

with instructions contained in this manual. A pump is a pressure containing device with rotating parts that can be

hazardous. Operators and maintenance personnel must realize this and follow safety measures. Goulds pumps

shall not be liable for physical injury, damage or delays caused by a failure to observe the instructions in this manual.

The following symbols are used to denote special attention:

Electrical Hazard. Particular care must be taken when electrical power source to the equipment is

energized.

Warning. Operating procedure, practice etc which, if not correctly followed, could result in personal injury or

loss of life

Caution. Operating procedure, practice etc which if not followed could result in damage or destruction of

equipment

ATEX. If equipment is to be installed in a potentially explosive atmosphere and these procedures are not

followed, personal injury or equipment damage from an explosion may

AF (42-66) IOM 3

FOREWORD

This manual provides instructions for the Installation, operation, and maintenance of the

Goulds Axial Flow (AF) pump model. This manual covers the standard product. For special

options, supplemental instructions are supplied. This manual must be read and understood

before installation and start-up.

The design, materials and workmanship incorporated in the construction of Goulds pumps

makes them capable of giving long, trouble-free service. The life and satisfactory service of any

mechanical unit, however, is enhanced and extended by correct application, proper installation,

periodic inspection, condition monitoring and careful maintenance. This instruction manual was

prepared to assist operators in understanding the construction and the correct methods of

installing, operating, and maintaining these pumps.

Goulds shall not be liable for physical injury, damage or delays caused by a failure to

observe the instructions for Installation, Operation, and Maintenance contained in this

manual.

Warranty is valid only when genuine Goulds parts are used.

Use of the equipment on a service other than stated in the order will nullify the warranty,

unless written approval is obtained in advance from Goulds Pumps, Inc.

Supervision by an authorized Goulds representative is recommended to assure proper

installation.

Additional manuals can be obtained by contacting your local Goulds representative or by

calling 1-800-446-8537.

THIS MANUAL EXPLAINS

Proper Installation

Start-up Procedures

Operation Procedures

Routine Maintenance

Pump Overhaul

Trouble shooting

Order Spare or Repair Parts

When pumping unit is installed in a potentially explosive atmosphere, the instructions after the Ex symbol

must be followed. Personal injury and/or equipment damage may occur if these instructions are not

followed. If there is any question regarding these requirements or if the equipment is to be modified,

please contact a Goulds representative before proceeding.

AF (42-66) IOM4

General Precautions

Explosion Prevention

In order to reduce the possibility of accidental explosions in atmospheres containing explosive gasses

and/or dust, the instructions under the ATEX symbol must be closely followed. ATEX certification is a

directive enforced in Europe for non-electrical and electrical equipment installed in Europe. ATEX

requirements are not restricted to Europe, and are useful guidelines for equipment installed in any

potentially explosive environment.

Special ATEX considerations

All installation and operation instructions in this manual must be strictly adhered to. In addition, care must be taken to

ensure that the equipment is properly maintained. This includes but is not limited to:

1. monitoring the pump frame and liquid end temperature

2. maintining proper bearing lubrication

3. ensuring that the pump is operated in the intended hydraulic range

Never apply heat to remove impeller. It may explode due to trapped

liquid

Never use heat to disassemble pump due to risk of explosion from

trapped liquid

Never operate pump without coupling guard correctly installed

Never operate pump beyond the rated conditions to which the pump was

sold

Never start pump without proper prime, or proper liquid level in self

priming pumps

Never run pump below recommended minimum flow or when dry

Always lock out power to the driver before performing pump maintenance

Never operate pump without safety devices installed

Never operate pump with discharge valve closed

Never operate pump with suction valve closed

Do not change conditions of service without approval of an authorized

Goulds representative

AF (42-66) IOM 5

ATEX Identification

For a pumping unit (pump, seal, coupling, motor and pump accessories) to be certified for use in an ATEX classified

environment, the proper ATEX identification must be present. The ATEX tag will be secured to the pump or the

baseplate on which it is mounted. A typical tag will look like this:

II 2 G/D X

The CE and the Ex designate the ATEX compliance. The code directly below these symbols reads as follows:

II ------------ÆGroup 2

2 -------------ÆCategory 2

G/D ------------ÆGas and Dust present

X ------------ÆTemperature class, can be T1 to T6 (see following table)

Maximum Process Temperature to achieve desired T rating

T Rating per EN 1127-1 Maximum Surface

Temperature in Celsius Maximum Process

Temperature in Celsius

T1 450 410

T2 300 260

T3 200165

T4 135 100

T5 100 65

T6 85 50

The code classification marked on the equipment should be in accordance with the specified area where the

equipment will be installed. If it is not, please contact your ITT/Goulds representative before proceeding.

Intended Use

The ATEX conformance is only applicable when the pump unit is operated within its intended use. All instructions

within this manual must be followed at all times. Operating, installing or maintaining the pump unit in any way that is

not covered in this manual can cause serious personal injury or damage to the equipment. This includes any

modification to the equipment or use of parts not provided by ITT/Goulds. If there is any question regarding the

intended use of the equipment please contact an ITT/Goulds representative before proceeding.

AF (42-66) IOM6

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AF (42-66) IOM 7

TABLE OF CONTENTS

Page

SAFETY

GENERAL INFORMATION

INSTALLATION

OPERATION

PREVENTATIVE MAINTENANCE

DISASSEMBLY & RE-ASSEMBLY

SPARE PARTS

APPENDIX 1

Section

AF (42-66) IOM8

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AF (42-66) IOM 9

SAFETY

DEFINITIONS................................................................................................... 9

GENERAL PRECAUTIONS.............................................................................. 9

DEFINITIONS

Axial flow pumps are pressure-containing devices with

rotating parts that can be hazardous. It has been

designed for safe and reliable operation when properly

used and maintained in accordance with instructions

contained in this manual. It is not to be operated at

speeds, working pressures, discharge pressures, or

temperatures higher than, nor used with liquids other

than stated in the original order acknowledgement,

without written permission of ITT Industries, Gould’s

Pumps, Inc. Operators and maintenance personnel

must realize this and follow safety measures. ITT

Industries, Gould’s Pumps, Inc. shall not be liable for

physical injury, damage or delays caused by a failure to

observe the instructions in this manual.

Throughout this manual, the words Warning, Caution,

and Note are used to indicate procedures or situations

which require special operator attention:

WARNING

Warning is used to indicate the presence of a

hazard which can cause severe personal injury,

death or substantial property damage if the warning

is ignored.

CAUTION

Caution is used to indicate the presence of a hazard

which will or can cause minor personal injury or

property damage if the warning is ignored.

NOTE: Operating procedure, condition, etc. that is

essential to observe.

EXAMPLES WARNING

Pump shall never be operated without V-belt or

coupling guard installed correctly.

CAUTION

Obstructions to flow or pipe fowling may cause

cavitation and pump damage.

NOTE: Proper alignment is essential for long pump

life.

GENERAL PRECAUTIONS

WARNING

Personal injury will result if procedures outlined in

this manual are not followed.

xNever apply heat to remove the impeller. It may

explode due to trapped liquid.

xNever use heat to disassemble pump due to risk of

explosion from trapped liquid.

xNever operate pump without V-belt or coupling

guard correctly installed.

xNever operate pump beyond the rated conditions

to which the pump was sold.

xNever start pump without proper prime (sufficient

liquid in pump casing).

xNever run the pump < 75% or > 115% of the Best

Efficiency Point (B.E.P.), AF pumps are unstable in

these regions.

xAlways lock out power to the driver before

performing maintenance.

xNever operate pump without safety devices

installed.

xNever operate pump with suction valve closed.

xNever operate pump with discharge valve closed.

xDo not change conditions of service without

approval of an authorized Gould’s representative

AF (42-66) IOM

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