AWWA C800-21 Underground Service Line Valves and Fittings P 40 p. 21

著者：American Water Works Association

【重要事項説明】

1.	手配先によって価格が異なります。
2.	納期遅延や入手不能となる場合がございます。
3.	海外のクリスマス休暇等、お正月等の長期休暇時期の発注は、納期遅延となる場合がございます。
4.	天候（国内・海外）により空港の発着・貨物受入不能の発生により納期遅延となる場合がございます。
5.	複数冊数のご注文の場合、分納となる場合がございます。
6.	美品のご指定は承りかねます。

手配先：国内手配先

• お届けまでの予想日数： 6週間～7週間
• 在庫数：
• 組合員価格：価格未定

内容の説明

This standard covers valves, fittings, service saddles, and meter setters for use in a service line from the main through the meter valve or meter-setting appurtenance. Valves, fittings, and meter setters described in this standard include . in. (12.5 mm) through 2 in. (50.8 mm). Service saddles described have outlet sizes . in. (12.5 mm) through 2 in. (50.8 mm) and fit mains of 2 in. (50.8 mm) through 12 in. (304.8 mm). Valves include corporation stops and curb stops. Fittings include various types of couplings and adapters. Service saddles include various types of devices circumferentially attached to the main. Meter setters include various configurations of copper tubing, valves, and fittings for the holding of 5/8-in. (15.875-mm) through 2-in. (50.8-mm) meters. Major revisions to this edition of C800 include: 1. An advisory statement was added in the foreword (Sec. II.B) regarding chlorine and chloramine degradation of elastomers. 2. Updated Sec. 1.3 Applicability to address considerations regarding suitability for wastewater applications. 3. Sec. 2 References was updated. 4. Added definitions for potable water, reclaimed water, and wastewater in Sec. 3. 5. Three non-Bismuth low-lead silicon-based material options were added to Sec. 4.1.2 Castings. 6. A new Sec. 4.1.2.2 was added to address dezincification performance of alloys utilized in areas with aggressive water. 7. A new Sec. 4.1.2.2.1 was added to make purchaser requirements from gate valve and/or hydrant specifications, such as maximum zinc content, applicable to C800. 8. Sec. 4.1.3 Cast service saddles was revised to include the option of using the low-lead copper alloys that are accepted for use in Sec. 4.1.2 Castings. 9. A new Sec. 4.1.6.1 was added to make Sec. 4.1.2.2 applicable to component parts. 10. Sec. 4.1.5 Saddle corrosion protection was revised to reflect the changes made to Sec. 4.1 and a requirement was added for materials in contact with potable water to conform to NSF/ANSI/CAN 61. 11. A

登録情報

商品コード：1034465454
出版社: 出版社不明
出版年月: 2021/10
ISBN-10: 1647170532
ISBN-13: 978-1-64717-053-0
出版国:
装丁: paper/Kt./br.
媒体: 冊子
ページ数: 40 p.
ジャンル: 土木環境システム