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

YB43X fixed proportional pressure reducing valve

YB43X fixed proportional pressure reducing valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

YB43X fixed proportional pressure reducing valve is a proportional control valve that reduces the flow of medium pressure. Usually used in high-rise buildings, pumping stations and fire fighting systems, both dynamic and static pressure can be reduced, decompression ratio is accurate. The valve has the advantages of simple structure, high quality, low price and reliable performance. Reference ratio: 2:1, 3:1, 4:1, 3:2, 5:2, etc. If the customer has special requirements, can be explained in the order. Proportional pressure relief valve is mainly composed of valve body, inlet flange, piston, large cylinder liner, small cylinder liner, outlet flange and O-ring, gasket and other parts. Proportional pressure relief valve is a kind of valve which uses the different cross-sectional area of the floating piston to form the pressure difference between the front and the back of the valve. Proportional pressure relief valve has unique structure, superior performance, large flow, smooth switch, no noise, stable pressure reduction ratio, namely "dynamic pressure reduction" and "static pressure reduction", and can reduce or even eliminate the damage of "water hammer" phenomenon to pipe fittings and water supply appliances, eliminate unnecessary vibration, save water resources and protect pipe network.


Main technical parameters


適用介質
水、氣體
適用溫度
≤90℃
壓力誤差
≤8%
開啟壓力
2:01
0.2MPa
3:01
0.3MPa
連接形式
法蘭、內螺紋


Material of main parts


主要零件材料
閥體
錫青銅
不銹鋼
鑄鐵
內件
錫青銅
不銹鋼
錫青銅或不銹鋼


Main dimensions


公稱通徑
DN(mm)
A
D3
25
232
115/125
32
246
140/150
40
256
150/155
50
270
165/175
65
306
185/200
80
320
210/230
100
340
240/265
125
400
275/300
150
429
310/350
200
358
355/400


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.YB43X fixed proportional pressure reducing 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
欧美另类在线播放| 久久久www成人免费毛片麻豆| 韩国v欧美v日本v亚洲v| 国产专区精品视频| 亚洲国产一区二区三区a毛片| 亚洲精品午夜精品| 亚洲一区网站| 欧美中文字幕| 欧美极品一区二区三区| 国产精品视频九色porn| 揄拍成人国产精品视频| 一本一本久久| 久久久国产精彩视频美女艺术照福利| 欧美成人午夜剧场免费观看| 欧美午夜免费| 红桃视频一区| 一区二区高清在线观看| 久久xxxx精品视频| 欧美粗暴jizz性欧美20| 国产精品久久久久av免费| 国产一区二区三区在线观看视频| 在线日韩av| 亚洲在线观看| 欧美大片一区二区三区| 国产农村妇女精品| 亚洲美洲欧洲综合国产一区| 欧美亚洲日本网站| 欧美精品三级| 黄色成人av网| 亚洲欧美不卡| 激情欧美日韩| 一本一本a久久| 久久精品国产欧美亚洲人人爽| 欧美夫妇交换俱乐部在线观看| 国产精品一区在线观看| 亚洲精品美女在线观看| 久久国产视频网站| 欧美视频二区36p| 亚洲福利视频二区| 欧美一区在线看| 欧美视频专区一二在线观看| 欧美精品日韩三级| 国产夜色精品一区二区av| 日韩一二在线观看| 在线视频你懂得一区二区三区| 欧美一区二区三区喷汁尤物| 欧美日本高清视频| 激情懂色av一区av二区av| 亚洲欧美日韩国产中文| 欧美乱大交xxxxx| 亚洲福利国产精品| 久久久99免费视频| 国产精品揄拍500视频| 9l视频自拍蝌蚪9l视频成人| 六月婷婷一区| 国产字幕视频一区二区| 午夜精品免费| 国产精品久久久久99| 日韩午夜激情| 亚洲一区二区三区久久| 欧美高潮视频| 亚洲第一网站免费视频| 久久精品国产第一区二区三区| 欧美午夜片在线观看| 日韩午夜av电影| 欧美成人免费大片| 在线看成人片| 久久久夜精品| 含羞草久久爱69一区| 欧美在线亚洲| 国产日韩精品视频一区二区三区| 亚洲系列中文字幕| 欧美午夜精品久久久久久久| 99国产精品99久久久久久粉嫩| 欧美成人午夜| 亚洲精品国产精品国自产观看| 男女激情久久| 最新日韩av| 欧美精品www在线观看| 亚洲欧洲在线看| 欧美成人一区二区三区在线观看| 亚洲大片在线| 欧美va亚洲va日韩∨a综合色| 在线观看亚洲一区| 欧美成人精品一区| 亚洲精品一区二区三区在线观看 | 午夜精品久久久久久久99热浪潮| 欧美日韩国产一区| 在线视频中文亚洲| 国产精品美女在线| 性做久久久久久免费观看欧美| 国产精品羞羞答答xxdd| 欧美在线观看你懂的| 国内一区二区三区| 久久女同精品一区二区| 在线欧美一区| 欧美风情在线观看| 宅男噜噜噜66国产日韩在线观看| 国产精品hd| 欧美一区二区三区视频| 黑人一区二区| 欧美xart系列在线观看| av不卡在线| 国产精品一区二区a| 久久精品观看| 91久久精品国产| 欧美色欧美亚洲另类七区| 午夜精品在线| 在线看一区二区| 欧美日韩国产一级片| 亚洲欧美中文日韩v在线观看| 国产视频精品xxxx| 狂野欧美激情性xxxx| 亚洲精品欧洲| 国产精品青草久久| 久久久青草婷婷精品综合日韩| 亚洲国产精品一区在线观看不卡 | 欧美三级视频在线播放| 亚洲一区在线视频| 99热免费精品在线观看| 国产乱码精品一区二区三区忘忧草| 亚洲无线视频| 国产亚洲欧美日韩一区二区| 久久一二三四| 99一区二区| 国产欧美日本| 毛片一区二区| 亚洲一品av免费观看| 国产有码一区二区| 欧美激情精品久久久久久黑人| 亚洲性人人天天夜夜摸| 一区二区亚洲精品国产| 欧美日韩精品一二三区| 午夜精品久久久久久久久久久久久| 一区视频在线| 欧美色图天堂网| 久久久久久久久蜜桃| 99视频精品全部免费在线| 国产欧美一区二区视频| 免费观看一区| 性欧美大战久久久久久久久| 亚洲激情亚洲| 国产欧美日韩综合一区在线观看| 麻豆国产精品一区二区三区| 亚洲视屏在线播放| 欧美国产欧美综合| 亚洲一区激情| 亚洲人成网站影音先锋播放| 国产精品欧美经典| 欧美阿v一级看视频| 亚洲在线观看| 亚洲欧洲精品一区| 国产亚洲激情在线| 欧美视频日韩视频在线观看| 久久亚洲春色中文字幕久久久| 中文在线资源观看网站视频免费不卡 | 免费成人黄色片| 国产午夜精品视频免费不卡69堂| 欧美精品二区三区四区免费看视频| 亚洲国产专区| 久久亚洲欧美| 欧美成人国产va精品日本一级| 国产一区二区高清不卡| 免费不卡在线观看av| 国产精品视频一二三| 一区二区三区国产盗摄| 欧美激情综合在线| 一区二区免费在线观看| 欧美成人免费网| 亚洲日本在线视频观看| 欧美激情亚洲精品| 亚洲国内自拍| 久久精品男女| 国产精品二区二区三区| 亚洲精品1区2区| 久久男女视频| 国产一区二区三区四区三区四| 一区二区三区久久| 老司机精品久久| 国产精品成人一区二区三区吃奶 | 亚洲国产网站| 亚洲视频一区在线| 国产一区亚洲| 欧美一区二区三区另类| 激情视频一区二区| 欧美巨乳波霸| 中文欧美字幕免费| 黑丝一区二区| 欧美激情中文字幕乱码免费| 亚洲专区国产精品| 精品成人在线观看| 欧美激情按摩| 羞羞漫画18久久大片| 亚洲蜜桃精久久久久久久| 国产亚洲在线观看| 一本色道久久综合亚洲91| 欧美精品首页| 久久久精品一区| 国产亚洲一区二区在线观看| 久久精品av麻豆的观看方式| 一区二区三区欧美日韩| aaa亚洲精品一二三区| 亚洲欧洲一区二区三区久久| 影音先锋日韩有码|