J21H-160C、J21W-160P、J21W-160R 型外螺紋截止閥：手動、外螺紋連接形式、直通式結(jié)構(gòu)，閥座密封面材料為不銹鋼、工作壓力 16.0 MPa、公稱尺寸 DN6~DN15、閥體材料為碳素鋼（J21H）、不銹鋼（J21W），適用于水、蒸汽、油品（J21H），弱腐蝕性或腐蝕性（J21W）介質(zhì)管路中。

J21H-160、J21W-160P、J21W-160R 型外螺紋截止閥，管路跟閥體連接采用外螺紋活接式，也叫外螺紋針型閥、外螺紋針形閥，是電力、電氣、機電設備工程、電控設備工程中應用zui多的閥門之一。由于其安裝方便、制造合理、經(jīng)濟簡單，所以大量使用在電力工程等管道中。

感謝您關(guān)注我們的產(chǎn)品,若您希望獲得進一步的了解，如J21W-160R 型外螺紋截止閥價格、J21W-160R 型外螺紋截止閥規(guī)格型號等更多信息，歡迎您隨時聯(lián)絡我們，誠邀為您提供zui滿意的服務!

Quality Service Commitment

質(zhì)量服務承諾書

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

24小時：，138-150-19005 黃

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

感謝您對我司的信賴與支持，我們將盡心為您服務！

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:

我公司根據(jù)ISO9001質(zhì)量體系認證要求、管理、生產(chǎn)閥門企業(yè)，對于閥門生產(chǎn)加工過程的每個環(huán)節(jié)均制訂了一系列詳細的工藝規(guī)程，并進行嚴格的控制。在出廠前都進行嚴格檢驗和試壓，使“中揚”產(chǎn)品質(zhì)量得到了可靠的保證。當您買進“中揚閥門”產(chǎn)品時服務就一直伴隨著您，我們向您鄭重承諾：

  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.

   產(chǎn)品售出一年內(nèi)如有質(zhì)量問題，本公司承諾“三包”服務；即包修、包換、包退；讓您享受*的優(yōu)質(zhì)服務，放心的購買！我們隨時提供覆蓋到全國任何一個城市用戶的，對任何用戶提出的產(chǎn)品問題，我們將在24小時內(nèi)作出分析和回答。若需要售后服務，我們的售后服務人員將在1-3天內(nèi)到達用戶現(xiàn)場，問題沒解決不離開！我公司還對產(chǎn)品實行終身的，將定期派出售用服務人員進行上門咨詢服務。

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

  我們的信心來源于您的認可，您的滿意是我們zui大的愿望！