Bsi bs en 00733 1995 (1999)

www bzfxw com BRITISH STANDARD BS EN 733 1995 End suction centrifugal pumps, rating with 10 bar with bearing bracket — Nominal duty point, main dimensions, designation system The European Standard EN[.]

BRITISH STANDARD BS EN

733:1995

End-suction centrifugal

pumps, rating

with 10 bar with

bearing bracket —

Nominal duty point,

main dimensions,

designation system

The European Standard EN 733:1995 has the status of a

British Standard

ICS 23.080

This British Standard, having

been prepared under the

direction of the Engineering

Sector Board, was published

under the authority of the

Standards Board and comes

into effect on

15 December 1995

© BSI 12-1999

The following BSI references

relate to the work on this

standard:

Committee reference MCE/6

Draft for comment 92/75554 DC

ISBN 0 580 24771 6

Committees responsible for this British Standard

The preparation of this British Standard was entrusted to Technical Committee MCE/6, Pumps and pump testing, upon which the following bodies were represented:

British Chemical Engineering Contractors’ Association British Hydromechanics Research Association

British Pump Manufacturers’ Association Department of Trade and Industry (National Engineering Laboratory) Electricity Association

UK Offshore Operators’ Association Limited Water Services Association of England and Wales The following bodies were also represented in the drafting of the standard, through subcommittees and panels:

Engineering Equipment and Materials Users’ Association Process Plant Association

South West Water Authority

Amendments issued since publication

Amd No Date Comments

BS EN 733:1995

Contents

Page

ii © BSI 12-1999

National foreword

This British Standard has been prepared by Technical Committee MCE/6 and is

the English language version of EN 733:1995, End-suction centrifugal pumps,

rating with 10 bar with bearing bracket — Nominal duty point, main dimensions, designation system, published by the European Committee for Standardization

(CEN)

EN 733 was produced as a result of international discussions in which the United Kingdom took an active part

A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application

Compliance with a British Standard does not of itself confer immunity from legal obligations.

Summary of pages

This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 6 and a back cover

This standard has been updated (see copyright date) and may have had amendments incorporated This will be indicated in the amendment table on the inside front cover

EUROPEAN STANDARD

NORME EUROPÉENNE

EUROPÄISCHE NORM

EN 733

April 1995

ICS 23.080

Descriptors: Centrifugal pumps, designation, dimensions, performance evaluation, pressure tests, hydrostatic pressure

English version End-suction centrifugal pumps, rating with 10 bar with

bearing bracket — Nominal duty point, main dimensions, designation system

Pompes centrifuges à aspiration axiale PN 10 à

support sous corps de pompe — Point de

fonctionnement nominal, dimensions

principales, système de désignation

Kreiselpumpen mit axialem Eintritt PN 10 mit Lagerträger — Nennleistung, Hauptmaße, Bezeichungssystem

This European Standard was approved by CEN on 1994-10-03 CEN members

are bound to comply with the CEN/CENELEC Internal Regulations which

stipulate the conditions for giving this European Standard the status of a

national standard without any alteration

Up-to-date lists and bibliographical references concerning such national

standards may be obtained on application to the Central Secretariat or to any

CEN member

This European Standard exists in three official versions (English, French,

German) A version in any other language made by translation under the

responsibility of a CEN member into its own language and notified to the

Central Secretariat has the same status as the official versions

CEN members are the national standards bodies of Austria, Belgium,

Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,

Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and

United Kingdom

CEN

European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung

Central Secretariat: rue de Stassart 36, B-1050 Brussels

© 1995 Copyright reserved to CEN members

Ref No EN 733:1995 E

© BSI 12-1999 2

Foreword

This European Standard has been prepared by

SC 4, Rotodynamic pumps, of CEN/TC 197, Pumps,

of which the Secretariat is held by DIN, based on a

proposal document, CEN/TC 197/SC 4 N 22,

submitted by the European Committee of Pump

Manufacturers (EUROPUMP) in December 1990

and was adopted for CEN enquiry at the meeting of

CEN/TC 197/SC 4 on 1991-03-14 in Frankfurt

This European Standard shall be given the status of

a national standard, either by publication of an

identical text or by endorsement, at the latest by

October 1995, and conflicting national standards

shall be withdrawn at the latest by October 1995

In accordance with the CEN/CENELEC Internal

Regulations, the following countries are bound to

implement this European Standard: Austria,

Belgium, Denmark, Finland, France, Germany,

Greece, Iceland, Ireland, Italy, Luxembourg,

Netherlands, Norway, Portugal, Spain, Sweden,

Switzerland and the United Kingdom

Contents

Page

3 Nominal duty point and main

4 Hydrostatic pressure test 3

Annex A (informative) Bibliography 6 Figure 1 — Main dimensions 4 Table 1 — Nominal duty point and

EN 733:1995

1 Scope

This European Standard specifies the designations,

nominal duty points and main dimensions of

end-suction centrifugal pumps rated at 10 bar

NOTE Depending on special circumstances e.g temperature,

materials, sealing of the shafts etc., excess operating pressure

need not attain the value of the nominal pressure under any

circumstances.

2 Normative references

This European Standard incorporates by dated or

undated reference, provisions from other

publications These normative references are cited

at the appropriate place in the text and the

publications are listed hereafter For dated

references, subsequent amendments to or revisions

of any of these publications apply to this European

Standard only when incorporated in it by

amendment or revision For undated references the

latest edition of the publication referred to applies

ISO 7005-1:1992, Metallic flanges — Part 1 Steel

flanges

ISO 7005-2:1988, Metallic flanges — Part 2: Cast

iron flanges

ISO 7005-3:1988, Metallic flanges — Part 3: Copper

alloy and composite flanges

3 Nominal duty point and main

dimensions

The nominal duty point and main dimensions

appropriate to the relevant pump designation shall

be as given in Table 1 and as illustrated in

Figure 1

Figure 1 illustrates a pictorial representation of an

end suction centrifugal pump Pumps to this

standard do not need to correspond to this pictorial

representation; only the dimensions and direction of

rotation are to be as specified

4 Hydrostatic pressure test

Hydrostatic pressure test is an internal pressure test using water

Hydrostatic test pressure shall be 1,3 times the maximum discharge pressure but shall not exceed 13 bar

The relation between cold test pressure and hot operating pressure or extreme cold operating pressure, shall be the subject of agreements between purchaser and manufacturer

5 Designation system

Centrifugal pumps in accordance with this standard shall be designated as follows

The designation incorporates the type of pump, the number of the European Standard, and as

illustrated in column 1 of Table 1, the outlet diameter and the nominal impeller diameter

EXAMPLE: An end suction centrifugal pump with outlet diameter of 50 mm and a nominal impeller diameter of 250 mm is designated:

Centrifugal pump EN 733 – 50 – 250

Figure 1 — Main dimensions

Table 1 — Nominal duty point and main dimensions

Size

Nominal diameter

of the impeller

Nominal duty point Flange

mounting dimensions for PN 10b

Pump dimensions

Shaft end dimensions

mm

1 450 min–1 2 900 min–1

m 3 /h

m m

3 /h

32–125 125 6,3 5 12,5 20 50 32 80 360 112 140 50 100 70 190 140 M 12 M 12 260 100 24 50

40–125 125 12,5 5 25 20 65 40 80 360 112 140 50 100 70 210 160 M 12 M 12 260 100 24 50

50–125 125 25 5 50 20 65 50 100 360 132 180 50 100 70 240 190 M 12 M 12 260 100 24 50

65–125 125 50 5 100 20 80 65 100 360 160 180 65 125 95 280 212 M 12 M 12 260 100 24 50

(45) 32 100 80 125 360 180 225 65 125 95 320 250 M 12 M 12 260 140 24 50 80–200 200 (22,3) 12,5 50

100–200 200 125

(35) 12,5 250(70) 50 125 100 125 470 200 280 80 160 120 360 280 M 16 M 12 340 140 32 80

125–250 250 20 — — 150 125 140 470 250 355 80 160 120 400 315 M 16 M 12 340 140 32 80

125–315 315 200

150–315 315 315 32 — — 200 150 160 530 280 400 100 200 150 550 450 M 20 M 12 370 140 42 110

a The nominal delivery head values indicated for the nominal supply values are approximate values only The precise values may be found in the manufacturer’s literature.

b According to ISO 7005-1, ISO 7005-2 and ISO 7005-3 the permitted temperature range may be found in the manufacturer’s literature.

c Dimension to be considered by the manufacturer in respect of removal of inner parts of the pump The dimension x must not be identical with the distance between the shafts of the

pump and the driving machine The given dimension considers the use of flexible shaft couplings with spacer sleeve The gap is necessary for the withdrawal of the rotor toward the

driven side.

Annex A (informative)

Bibliography

ISO 228-1:1982, Pipe threads where pressure-tight joints are not made on the threads — Part 1: Designation,

dimensions and tolerances.

ISO 496:1973, Driving and driven machines — Shaft heights.

ISO/R 775:1969, Cylindrical and 1/10 conical shaft ends.

ISO 3069:1974, End suction centrifugal pumps — Dimensions of cavities for mechanical seals and for soft

packaging.

blank

389 Chiswick High Road

London

W4 4AL

BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter

Revisions

British Standards are updated by amendment or revision Users of British Standards should make sure that they possess the latest amendments or editions

It is the constant aim of BSI to improve the quality of our products and services

We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover

Tel: 020 8996 9000 Fax: 020 8996 7400

BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards

Buying standards

Orders for all BSI, international and foreign standards publications should be addressed to Customer Services Tel: 020 8996 9001 Fax: 020 8996 7001

In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested

Information on standards

BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service Various BSI electronic information services are also available which give details on all its products and services Contact the Information Centre

Tel: 020 8996 7111 Fax: 020 8996 7048

Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards For details

of these and other benefits contact Membership Administration

Tel: 020 8996 7002 Fax: 020 8996 7001

Copyright

Copyright subsists in all BSI publications BSI also holds the copyright, in the

UK, of the publications of the international standardization bodies Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means – electronic, photocopying, recording or otherwise – without prior written permission from BSI

This does not preclude the free use, in the course of implementing the standard,

of necessary details such as symbols, and size, type or grade designations If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained

If permission is granted, the terms may include royalty payments or a licensing agreement Details and advice can be obtained from the Copyright Manager Tel: 020 8996 7070