国产熟睡乱子伦午夜视频,国产成人精品一二区,97精品视频在线观看免费日本精品熟妇免费一区二区三区,亚洲午夜AV综合色欲AV,免费观看一级特黄三大片视频日韩欧美一区二区精品久久第一页,日韩亚洲欧美无砖专区,亚洲av无码专区国产乱码4se,国产99视频免费精品是看6

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!
国产女人毛片水真多精品| 日韩一区二区三区精品视频| 日韩在线精品国产一区二区| 无码人妻一区二区三区精品视频| 国产成人精品一区二区三在线观看| 狠狠色噜噜狠狠狠狠色综合久| 欧美日韩一区天堂_国产一级高清免费观看| 五月天婷五月天综合网| 亚洲AV无码不卡在线| 精品无码一区二区三在线观看| 久久人人干天天摸| 久久久久精品国产AV麻豆| 中文字幕亚洲无线码a| 思思久久99热免费精品6| 免费60分钟床上色视频无限| 日本韩国黄色一区二区三区| 亚洲AV综合色区无码一区爱Av| 亚洲中文字幕久久精品无码VA| 欧美在线a级一区二区三区| 亚洲欧美综合精品| 黄色片免费在线看| 国产精品爽爽V在线观看无码| 国产亚洲欧美另类一区二区三区| 青青青国产女精品视频| 久久久久久国产一级AV片| 人人超碰91尤物精品国产| 国产亚洲人成A在线V网站| 奇米777四色影视在线播放| 久久久久久亚洲精品无码夜夜| 色先锋资源无码AV网站| 囯产乱色国产精品免费视频| 亚洲欧美日本国产综合| 国产综合久久久久久| 爆乳熟妇一区二区三区霸乳| 国产高清精品一区二区不卡| A级毛片内射免费视频| er久99久热只有精品国产| 亚洲人成网999久久久综合 | 国产亚洲精品福利在线无卡一| 亚洲综合国产一区二区三区| 欧洲美熟女乱又伦|