Design Principles Hydronic Systems - Mario Doninelli.pdf - banduras1

MARIO DONINELLI

DESIGN PRINCIPLES

OF HYDRONIC

HEATING SYSTEMS

andbooks

Caleffi

andbooks

Caleffi

Realization and printing

Grafiche Nicolini & C.

NICOLINI EDITORE

MARIO DONINELLI

DESIGN PRINCIPLES

OF HYDRONIC

HEATING SYSTEMS

andbooks

Caleffi

FOREWORD

The publication of this second Caleffi manual gives me the opportunity of thanking

all those who, after the publication of the first Manual, have supported our initiative

with their comments, advice and messages of encouragement.

I must confess that the project has given me a great deal of pleasure even though it

si not an easy one. Our aim is not to publish “all” types of books but to bring out

new publications designed to meet the specific requirements of those who design

and manufacture heating and cooling systems. It is for this reason that we have

placed the compilation in the hands of professionals who have wide experience in

their particular fields. We feel that it is their direct contact with everyday situations

which is essential for highlighting the real problems of heating engineers and for

provinding sensible solutions and useful suggestions.

We intend therefore to concentrate on the clarity of the text and the graphic quality

of our manuals. BUSY engineers do not have time to work through books which are

not clear or have no practical use. We consider it our duty to do everything possible

to simplify their design work, and facilitate their obtaining information, by providing

clear diagrams, drawings which are easy to follow and tables which are easy to

consult. In other words we want to cover the technical details with the same, at

times almost fanatical, care with which we design and manufacture our products. It

is this commitment to the care we take over our products and our constant desire

to improve quality which is the main characteristic of our method of working with

those who have, and those who will, place their trust in our company.

Finally I should like to express my thanks to Engineer Mario Doninelli who is also the

author of this second Manual. A long friendship and the same spirit of dedication

make it easy for us to co-operate harmoniously.

Naturally I shall be very grateful to those who would like to let us have their opinions

or advice on this new publication. Comments of this type, apart from providing an

important audit of our work, also provide a significant opportunity for our getting to

know those from outside company that we at Caleffi consider important.

Franco Caleffi

Chairman of CALEFFI S.p.A.

Design Principles Hydronic Systems - Mario Doninelli.pdf

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