AWWA Manual M72-2020 刀闸阀

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Manual of Water Supply Practices

Ideal crop marks

Knife Gate Valves

M72

Manual of Water Supply Practices

M72

Knife Gate Valves

AWWA Reference Standard C520-19

American Water Works Association

6666 West Quincy Avenue

Denver, CO 80235-3098

awwa.org

reproduced or transmitted in any form or by any means,

electronic or mechanical, including scanning, recording, or any

information or retrieval system. Reproduction and commercial

use of this material is prohibited, except with written permission

from the publisher. Please send any requests or questions to

permissions@awwa.org.

Manual of Water Supply Practices—M72

Knife Gate Valves

electronic or mechanical, including scanning, recording, or any information or retrieval system. Reproduction

and commercial use of this material is prohibited, except with wrien permission from the publisher.

Disclaimer

The authors, contributors, editors, and publisher do not assume responsibility for the validity of the content

or any consequences of its use. In no event will AWWA be liable for direct, indirect, special, incidental, or

consequential damages arising out of the use of information presented in this book. In particular, AWWA

will not be responsible for any costs, including, but not limited to, those incurred as a result of lost revenue.

In no event shall AWWA’s liability exceed the amount paid for the purchase of this book.

If you nd errors in this manual, please email books@awwa.org. Possible errata will be posted at

www.awwa.org/M72.

Managing Editor/Project Manager: Melissa Valentine

Technical Editor: Dianne B. Rose

Cover Design: Mike Labruyere

Manager, Publishing Operations: Gillian Wink

Production: Innodata

Senior Specialist - Manuals: Willadee Hitchcock

Manuals Coordinator 2: Janet Greinger

Library of Congress Cataloging-in-Publication Data

Names: MacConnell, Mark, author.

Title: M72 - knife gate valves / Mark MacConnell.

Other titles: Knife gate valves | AWWA manual ; M72.

Description: First edition. | Denver, CO : American Water Works

Association, [2020] | Series: Manual of water supply practices ; M72 |

Includes bibliographical references and index. | Summary: “This manual

presents the general practice for selection and installation of manual

and automated knife gate valves for use in water and waste-water

applications. This document is intended to provide information and

guidance on typical knife gate valves and their intended application”--

Provided by publisher.

Identiers: LCCN 2020045228 (print) | LCCN 2020045229 (ebook) | ISBN

9781647170271 (paperback) | ISBN 9781613005675 (ebook)

Subjects: LCSH: Water-pipes--Valves--Handbooks, manuals, etc.

Classication: LCC TD491 .M18 2020 (print) | LCC TD491 (ebook) | DDC

628.1/5--dc23

LC record available at hps://lccn.loc.gov/2020045228

LC ebook record available at hps://lccn.loc.gov/20200452299

Printed in the United States of America

ISBN 978-1-64717-027-1 eISBN 978-1-61300-567-5

DOI hps://doi.org/10.12999/AWWA.M72ed1

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摘要：

AWWA Manual M72-2020 刀闸阀是美国水行业协会发布的权威技术手册，专门针对刀闸阀在水和废水处理系统中的设计、选型、安装与维护提供全面指导。该标准涵盖了刀闸阀的材质要求、压力等级、密封性能测试以及操作规范，适用于水务工程、工业管道及市政基础设施项目。内容深度解析了AWWA M72-2020与传统闸阀的差异，强调刀闸阀在泥浆、污水及颗粒介质场景下的切断优势，并引用了最新版的国际规范。无论是工程师、采购人员还是运维团队，均可通过本手册获取符合AWWA认证的刀闸阀技术要点，确保系统长期

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