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21_RP/IS-719 系列719双止回阀总成 (5)
Series 719 Double Check Valve Assemblies (5)

美国瓦茨公司
适用于非健康危害的应用场合
For Non-Health Hazard Applications
 

通径:DN15 - DN50
Sizes: 1/2" – 2"

  • 安装
    Installation
  • 维修
    Service
  • 维修部件
    Repair Kits
  • 维护
    Maintenance

  需要了解现场测试程序,请参阅IS-TK-DL, IS-TK-9A, IS-TK-99EIS-TK-99D
  需要维修组件和维修配件,请参阅PL-RP-BPDF-RK-DC.
  For field testing procedure, send for IS-TK-DL, IS-TK-9A, IS-TK-99E and IS-TK-99D.
  For other repair kits and service parts, send for PL-RP-BPD.


美国瓦茨DN25, 719QT
Watts 1" 719QT
     

  重要:咨询主管部门,了解当地安装要求。
  IMPORTANT: Inquire with governing authorities for local installation requirements.
  注意:适用于澳大利亚和新西兰:管路过滤器应该安装在上游关闭阀和防回流阀进口之间。
  NOTE: For Australia and New Zealand, Pipeline strainers should be installed between the upstream shutoff valve and the inlet of the backflow preventer.

  美国瓦茨产品的规格说明采用美国常用的单位,所采用近似的公制单位仅用于参考。如果需要准确的尺寸,请与美国瓦茨技术服务部门联系。美国瓦茨保留在没有预先通知的情况下,对产品设计、结构、规格或材料进行更改或改进权利,对于以前或以后销售的产品,美国瓦茨不承担因更改或改进所产生的任何责任。
  Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

 

美国加州提议65警告
CALIFORNIA PROPOSITION 65 WARNING

  警告:美国加州已知这种产品包含可能导致癌症和生育障碍或其它有害生育的化学物质。(美国加州法律要求在美国加州境内将此类产品提供给用户时要提出警告。)
  WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. (California law requires this warning to be given to customers in the State of California.)

  有限质量保证:美国瓦茨调节阀公司保证每个产品在材料和工艺方面没有任何缺陷,保质期为从原始运输起壹年。如果在保质期内发现产品有这些缺陷,公司将根据自己的选择,决定免费更换或者维修有缺陷的产品。这将构成有缺陷产品的唯一的补救措施,对于任何因此产生的事故或间接损失,包括由此产生的人工成本、延迟、破坏、疏忽,由外部物质产生的积垢,由于逆向水条件、化工产品或任何其它瓦茨公司无法控制的情况造成的损害,美国瓦茨公司都不承担任何责任。对于任何产品滥用、错用、误用或不正确安装,将不适用于本保证。除了本保证之外,美国瓦茨公司没有任何其它明示或暗示的保证。
  LIMITED WARRANTY: Watts Regulator Company warrants each product against defects in material and workmanship for a period of one year from the date of original shipment. In the event of such defects within the warranty period, the Company will, at its option, replace or recondition the product without charge. This shall constitute the exclusive remedy for breach of warranty, and the Company shall not be responsible for any incidental or consequential damages, including without limitation, damages or other costs resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign material, damage from adverse water conditions, chemicals, or any other circumstances over which the Company has no control. This warranty shall be invalidated by any abuse, misuse, misapplication or improper installation of the product. THE COMPANY MAKES NO OTHER WARRANTIES EXPRESS OR IMPLIED EXCEPT AS PROVIDED IN THIS LIMITED WARRANTY.

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