亚洲一区二区三区在线看_久久久久电影_中文字幕在线不卡一区二区三区_精品中文字幕一区二区

HC44X rubber flap check valve

HC44X rubber flap check valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

HC44X rubber disc check valve is composed of valve body, valve cover, disc and spring, etc. It is mainly used for water supply and drainage system, petroleum, chemical and other industrial sectors of the pipeline outlet to prevent medium countercurrent. Because the sealing ring of the product is designed by inclined design, the closing time is short, and the water hammer pressure can be reduced. The valve disc is made of NBR and steel plate by high temperature pressing. It is erosion resistant and has good sealing performance. The product has simple structure, easy maintenance, maintenance and transportation.


Main technical parameters


公稱壓力(Mpa)
1.0
1.6
殼體試驗(yàn)壓力(Mpa)
1.5
2.4
密封試驗(yàn)壓力(Mpa)
1.1
1.76
適用溫度℃
<80< div="">
適用介質(zhì)
清水、油品


Material of main parts


閥體、閥蓋
灰鑄鐵、碳鋼
閥瓣
橡膠組合件
彈簧
不銹鋼


Main dimensions
公稱通徑(DN)
L
H
40
165
180
50
200
190
65
215
210
80
240
230
100
290
250
125
330
280
150
355
315
200
500
370
250
620
430
300
700
475
350
785
550
400
915
600


The best quality, first-class service Qigao creates more value for you!

"Qigao Valve" expects to continuously improve service quality and strive for excellence. "Sincere service" is the eternal theme of "Qigao". "Qigao" strictly followsIS09001-2000 Quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales and service. Strengthen communication with users and provide quality products to our customers with perfection and perfect service. Hereby our factory makes the following commitments:

Product Standards:

Products in strict accordance with ChinaGB、HG Standard and USAPISuch as standard design, manufacturing, acceptance. The hardness of the sealing surface meets the requirements of the state and the width exceeds the national standard.

pre-sale service:

Product introduction, technical exchange, non-standard product design, troubleshooting。

Sale service:

A trustworthy contract guarantees timely delivery and keeps in touch with customers. For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service:

1、"Qigao" brand product quality period is from the factory12In the month, the implementation of the "three guarantees" service (return, replacement, warranty).

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions, so as to further improve product quality.

3、Respond quickly to the quality of user complaints, after-sales service personnel rushed to the scene in 24-36 hours (48 hours outside the province).

4、For after-sales service, users are required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of Qigao.

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

a、Structure length;

b、Connection Type;

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range;

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us in advance to tell the required valve model, specification, quantity, delivery time and location, and timely transfer to the factory account according to the total 30% deposit or full payment. The rest of the payment is pending. Import before shipment to arrange delivery in time.

 

Order Process:

1、Customer purchase list fax to021-33872143,Or call us 021-33872141

2、Receive customer purchase list, provide valve model selection and quotation (price list)。

3、Specific agreement: delivery date, special requirements, etc.。

download Google:

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

a、Structure length;

b、Connection Type;

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range;

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us first to tell the required valve model, specifications, quantity, delivery time and location, and press the total30%The deposit or full payment will be remitted to our factory account in time., The rest of the payment will be remitted before shipment to arrange delivery in time.。

Sale service:

Trustworthy contract, guarantee timely delivery, keep in touch with customers at any time。

For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service:

1、"Qigao" product quality period is from the factory12Month, practiceThree packsService (return, replacement, warranty)。

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions.,
In order to further improve product quality。

3、Respond quickly to the quality of user complaints, after-sales service personnel24-36Hours (outside the province48Hour) rushed to the scene。

4、For after-sales service, the user is required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of “Qigao”.。

statement

  1. All text, data and pictures in this article are for reference only.HC44X rubber flap check valvePlease contact us at 4000-700-665 for details of performance, size and price.
  2. If there is no explanation, this article is original, reprint, please indicate the address of this article, thank you for your cooperation!
亚洲一区二区三区在线看_久久久久电影_中文字幕在线不卡一区二区三区_精品中文字幕一区二区
在线视频中文亚洲| 国产一区二区按摩在线观看| 久久香蕉国产线看观看av| 久久久精品一区二区三区| 欧美一区二区私人影院日本| 久久久福利视频| 欧美a级片网站| 欧美另类综合| 国产精品伦理| 国外成人在线视频| 亚洲精品国产品国语在线app| 亚洲裸体在线观看| 午夜精品在线视频| 久久综合九色综合欧美就去吻| 欧美激情精品久久久六区热门| 欧美日韩美女| 国产日产精品一区二区三区四区的观看方式| 国产日韩一区在线| 亚洲激情av| 亚洲自拍偷拍一区| 久久亚裔精品欧美| 欧美午夜理伦三级在线观看| 国产午夜精品理论片a级探花| 亚洲福利视频专区| 亚洲免费网址| 欧美成人精品影院| 国产精品综合不卡av| 亚洲国产精品久久| 欧美亚洲网站| 欧美日韩国产精品| 国内自拍视频一区二区三区| 一本一本大道香蕉久在线精品| 久久av一区二区| 欧美日韩久久久久久| 国内揄拍国内精品久久| 亚洲视频精选在线| 免费在线观看日韩欧美| 国产欧美一区二区色老头| 亚洲久久视频| 久久久久久亚洲精品不卡4k岛国| 欧美日韩亚洲一区二区三区在线观看| 国产日韩欧美综合在线| 一区二区三区日韩精品| 米奇777超碰欧美日韩亚洲| 国产精品国产馆在线真实露脸| 在线看不卡av| 性欧美videos另类喷潮| 亚欧成人在线| 亚洲欧美日韩在线高清直播| 蜜桃伊人久久| 国产精品初高中精品久久| 黄色小说综合网站| 亚洲午夜电影在线观看| 久久久久久久一区二区| 欧美日本一区二区高清播放视频| 国产精品一区久久| 亚洲人成亚洲人成在线观看图片 | 国产精品v一区二区三区| 国模套图日韩精品一区二区| 在线亚洲成人| 另类专区欧美制服同性| 国产精品v日韩精品| 亚洲精品一区二区网址| 久久久久久九九九九| 国产精品国产一区二区| 亚洲欧洲日韩女同| 久久精品主播| 国产精品日韩高清| 激情文学一区| 一区二区三区精品视频在线观看| 久久婷婷国产综合精品青草| 国产精品日韩一区二区| 日韩午夜一区| 免费短视频成人日韩| 国产一级一区二区| 一本久道久久综合狠狠爱| 欧美xart系列在线观看| 黄色av成人| 午夜视频在线观看一区| 欧美视频免费看| 亚洲日本va午夜在线影院| 久久久久久色| 国产一区二区精品| 香蕉久久夜色| 国产精品久久久久久超碰| 亚洲精品之草原avav久久| 久久精品91久久香蕉加勒比| 国产精品三上| 亚洲一区二区三区视频播放| 欧美日韩免费视频| 日韩视频免费观看高清完整版| 毛片av中文字幕一区二区| 国精品一区二区三区| 午夜精品久久久久久久99樱桃 | 亚洲精品一区二区三区在线观看| 狂野欧美性猛交xxxx巴西| 国产精品一区二区久久久| 99精品视频一区二区三区| 欧美精品自拍偷拍动漫精品| 亚洲激情视频在线播放| 免费中文日韩| 亚洲国产欧美一区二区三区同亚洲| 久久精品久久99精品久久| 国产日产欧产精品推荐色| 亚洲欧美日韩成人| 国产精品视频免费一区| 亚洲综合99| 国产精品欧美风情| 亚洲欧美日本国产有色| 国产精品主播| 欧美一区二区三区免费视| 国产精品一区二区在线观看不卡| 欧美一级视频精品观看| 国产日韩欧美精品综合| 欧美在线观看一区二区| 欧美日韩亚洲成人| 亚洲高清影视| 欧美a级片一区| 亚洲三级影片| 欧美日韩国产一区精品一区 | 欧美日韩国内自拍| 亚洲手机视频| 国产麻豆日韩| 久久久久久久久久看片| 亚洲高清资源| 女仆av观看一区| 亚洲一二三区在线| 国产九色精品成人porny| 久久成人精品电影| 影音先锋久久久| 欧美成人午夜| 宅男在线国产精品| 国产精品久久久久免费a∨| 欧美一级片久久久久久久| 极品日韩av| 欧美韩国日本综合| 日韩视频国产视频| 国产欧美日韩综合一区在线观看 | 美日韩精品视频| 中文精品一区二区三区| 国产欧美一区二区三区久久人妖| 久久亚洲风情| 99re6这里只有精品| 国产精品日韩欧美一区二区三区| 欧美在线观看一区| 亚洲二区免费| 欧美三级在线| 久久国产精品第一页| 亚洲国产精品久久人人爱蜜臀| 欧美激情第3页| 亚洲一区二区在线看| 一区二区在线视频观看| 欧美日韩精品一区二区| 久久国产精品第一页| 亚洲九九九在线观看| 国产日韩欧美一区二区三区在线观看| 久久一区二区三区国产精品| 一本色道久久88综合日韩精品| 国产亚洲成av人片在线观看桃| 久久久久免费视频| 一本色道88久久加勒比精品 | 亚洲天堂男人| 亚洲高清在线精品| 国产精品视频免费观看www| 麻豆91精品91久久久的内涵| 亚洲视频1区| 韩国亚洲精品| 国产精品成人va在线观看| 久久在线视频在线| 亚洲一区视频在线| 亚洲电影在线| 国产亚洲福利一区| 欧美日韩三区| 久久久久久久综合| 午夜精品久久久久久久久 | 国产欧美一区二区精品秋霞影院 | 欧美日韩一二三区| 久久在线免费观看| 亚洲电影免费在线| 国产亚洲欧美日韩一区二区| 欧美日韩天堂| 美女诱惑一区| 久久九九国产精品怡红院| 亚洲图中文字幕| 91久久久精品| 狠狠干成人综合网| 国产欧美日韩精品专区| 国产精品久久国产愉拍| 欧美激情视频在线播放 | 免费高清在线一区| 欧美在线视频网站| 亚洲欧美日韩区| 亚洲免费观看高清完整版在线观看| 国内精品**久久毛片app| 欧美午夜剧场| 欧美裸体一区二区三区| 卡一卡二国产精品| 久久激情综合网| 狠狠色丁香婷婷综合影院| 狠狠入ady亚洲精品| 国产麻豆一精品一av一免费| 国产精品黄色| 欧美日韩一区二区三区在线观看免 | 亚洲欧美日韩在线播放|