Metso Ball Valves Manuale operativo e di manutenzione

IMO-PX2 EN • 11/2017

Ball Valves with

Up-Stream Vent Hole in Ball for

Hydrogen Peroxide Service

Installation, Maintenance and

Operating Instructions

TABLE OF CONTENTS

1. GENERAL .................................................................. 3

2. DESCRIPTION ........................................................... 3

3. INSTALLATION ......................................................... 3

4. SERVICE / SPARE PART............................................. 4

IMO 11/17

2 IMO-PX2 EN

READ THESE INSTRUCTIONS FIRST!

These instructions provide information about safe handling and operation of the valve.

If you require additional assistance, please contact the manufacturer or manufacturer’s representative.

Addresses and phone numbers are printed on the back cover.

See also www.metso.com/valves for the latest documentation.

SAVE THESE INSTRUCTIONS!

1. GENERAL

This instruction manual contains important information

regarding the installation, operation and troubleshooting

of the Jamesbury®Ball Valves with Up-Stream Vent Hole

in Ball for Hydrogen Peroxide Service. Please read these

instructions carefully and save them for future reference.

WARNING:

FOR YOUR SAFETY, IT IS IMPORTANT THAT THE FOLLOWING

PRECAUTIONS BE TAKEN PRIOR TO REMOVAL OF THE VALVE FROM

THE LINE OR BEFORE ANY DISASSEMBLY.

1. WEAR ANY PROTECTIVE EQUIPMENT NORMALLY REQUIRED

WHEN WORKING WITH THE FLUID INVOLVED DURING

REMOVAL AND DISASSEMBLY TO PROTECT AGAINST ANY

SPRAY OF TRAPPED HYDROGEN PEROXIDE.

2. DEPRESSURIZE THE LINE AND VALVE AS FOLLOWS:

A. SHUT OFF THE VALVE AND BLEED THE LINE.

B. CYCLE THE VALVE TO RELIEVE RESIDUAL PRESSURE BEFORE

REMOVAL FROM THE LINE..

C. AFTER REMOVAL CYCLE THE VALVE AGAIN SEVERAL TIMES.

2. DESCRIPTION

Jamesbury valves with a vent hole in the ball for hydrogen

peroxide service are available in both screwed and anged

ends, in either all stainless steel components or in aluminum

bodies with stainless steel balls and stems. Material grades

are in accordance with FMC recommendations, Bulletin

104. These valves are designed to prevent hydrogen

peroxide entrapment and decomposition which could

cause explosive pressure build-up. All wetted surfaces

are completely machined and venting ports are included

to prevent media entrapment in the body. Each valve is

factory cleaned to remove dirt or uid that might react with

the media, and only compatible lubricants are used during

manufacture.

NOTE: Hydrogen peroxide valves must be passivated

before use. Valves are not passivated before shipment.

3. INSTALLATION

1. Before installation of any valve into a pipeline, factory-

attached tags should be checked to assure that the valve

is identied as having been processed for hydrogen

peroxide service and that the valve type and material

conform to requirements of the service intended. VALVE

MUST BE PASSIVATED BEFORE INSTALLATION.

2. Standard piping practices should be followed during

valve installation. Screwed end valves should be

tightened by wrenching at the hex ats nearest the pipe

being attached. Flanged valve bolts must be tightened

to recommendations given by the manufacturer of the

particular type of gaskets being used.

3. With the valve in the closed position with the handle

or actuator mounted, check the orientation of the ball

and ow arrow. Compare with (Figure 1). Correct any

misorientation by removing the handle or actuator

rotating the ball 180 degrees and reinstalling the

handle or actuator.

IMO 11/17

IMO-PX2 EN 3

4. SERVICE / SPARE PART

We recommend that valves be directed to our service cen-

ters for maintenance. The service centers are equipped to

provide rapid turn-around at a reasonable cost and oer

new valve warranty with all reconditioned valves.

NOTE: When sending goods to the service center for repair,

do not disassemble them. Clean the valve carefully and

ush the valve internals. Include the material safety data-

sheet(s) (MSDS) for all media owing through the valve.

Valves sent to the service center without MSDS datasheet(s)

will not be accepted.

For further information on spare parts and service or assis-

tance visit our web-site at www.metso.com/valves.

NOTE: When ordering spare parts, always include the fol-

lowing information:

a. Valve catalog code from identication plate,

b. If the valve is serialized – the serial number (from

identication plate),

c. From exploded view, the ballooned part number,

part name and quantity required.

CORRECT INCORRECT

Figure 1

Subject to change without prior notice.

Metso Flow Control Inc.

Europe, Vanha Porvoontie 229, P. O. Box 304, FI-01301 Vantaa, Finland. Tel. +358 20 483 150. Fax +358 20 483 151

North America, 44 Bowditch Drive, P. O. Box 8044, Shrewsbury, M A 01545, USA. Tel. +1 508 852 0200. Fax +1 508 852 8172

South America, Av. Independéncia, 2500-Iporanga, 18087-101, Sorocaba-São Paulo, Brazil. Tel. +55 15 2102 9700. Fax +55 15 2102 9748

Asia Pacic, 238B Thomson Road, #17-01 Novena Square Tower B, Singapore 307685. Tel. +65 6511 1011. Fax +65 6250 0830

China, 11/F, China Youth Plaza, No.19 North Rd of East 3rd Ring Rd, Chaoyang District, Beijing 100020, China. Tel. +86 10 6566 6600. Fax +86 10 6566 2583

Middle East, Roundabout 8, Unit AB-07, P. O. Box 17175, Jebel Ali Freezone, Dubai, United Arab Emirates. Tel. +971 4 883 6974. Fax +971 4 883 6836

www.metso.com/valves

4 IMO-PX2 EN

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