J21H-160C、J21W-160P、J21W-160R 型外螺纹截止阀：手动、外螺纹连接形式、直通式结构，阀座密封面材料为不锈钢、工作压力 16.0 MPa、公称尺寸 DN6~DN15、阀体材料为碳素钢（J21H）、不锈钢（J21W），适用于水、蒸汽、油品（J21H），弱腐蚀性或腐蚀性（J21W）介质管路中。

J21H-160、J21W-160P、J21W-160R 型外螺纹截止阀，管路跟阀体连接采用外螺纹活接式，也叫外螺纹针型阀、外螺纹针形阀，是电力、电气、机电设备工程、电控设备工程中应用zui多的阀门之一。由于其安装方便、制造合理、经济简单，所以大量使用在电力工程等管道中。

感谢您关注我们的产品,若您希望获得进一步的了解，如J21W-160R 型外螺纹截止阀价格、J21W-160R 型外螺纹截止阀规格型号等更多信息，欢迎您随时联络我们，诚邀为您提供zui满意的服务!

Quality Service Commitment

质量服务承诺书

24-hour service hotline: ，138-150-19005 【Mr.Huang】

24小时：，138-150-19005 黄

Thank you for your trust and support of our company, we will be dedicated to serve you!

感谢您对我司的信赖与支持，我们将尽心为您服务！

Our company according to ISO9001 international quality system certification requirements, management, production valve business, for the valves every aspect of the production process have developed a series of detailed technical rules and strict control. In the factory have strict inspection and pressure test, so that "the Young" product quality has been a reliable guarantee.

When you buy "ZhongYang Valve" products has been accompanied by a service to you, our solemn promise to you:

我公司根据ISO9001质量体系认证要求、管理、生产阀门企业，对于阀门生产加工过程的每个环节均制订了一系列详细的工艺规程，并进行严格的控制。在出厂前都进行严格检验和试压，使“中扬”产品质量得到了可靠的保证。当您买进“中扬阀门”产品时服务就一直伴随着您，我们向您郑重承诺：

  Product is sold within a year if quality problems, the company promises "three guarantees" service; namely repair, replace or return; allowing you to enjoy the full service, rest assured to buy! We are ready to provide coverage to any city nationwide technical support to users for any product issues raised by users, within 24 hours we will make an analysis and answer. If you need service, our service staff will arrive within 1-3 days of the user site, did not solve the problem does not leave! I also introduced the product lifetime technical support, will periodically send service personnel for sale with onsite consulting services.

   产品售出一年内如有质量问题，本公司承诺“三包”服务；即包修、包换、包退；让您享受*的优质服务，放心的购买！我们随时提供覆盖到全国任何一个城市用户的，对任何用户提出的产品问题，我们将在24小时内作出分析和回答。若需要售后服务，我们的售后服务人员将在1-3天内到达用户现场，问题没解决不离开！我公司还对产品实行终身的，将定期派出售用服务人员进行上门咨询服务。

  Our confidence comes from your approval, your satisfaction is our greatest wish!

  我们的信心来源于您的认可，您的满意是我们zui大的愿望！