D371X蜗轮对夹式蝶阀概述：

D371X蜗轮对夹式蝶阀是一个圆盘蝶板，在阀体内绕其自身的轴线旋转从而达到启闭或调节的阀门，蝶阀全开到全关通常是90°。 启闭迅速，流体阻力小，可以经常操作。 结构简单、体积小、重量轻。 可以运送泥浆在管路中积存液体zui小。 调节性能可在0～90°灵敏调节。 主要技术参数： 工作温度： X：60℃ J：80℃ XB或JB：150℃ XC、JC、F46：200℃ SDJD：250℃ XE、JE：250℃ 阀体、阀杆材料 ：阀体材料：铸铁、碳钢、不锈钢、 阀杆材料：35#不锈钢 适用介质 ： 水、蒸汽、油品及腐蚀性。

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！