成人免费观看网欧美片-成人免费观看视频-成人免费观看男女羞羞视频-成人免费观看的视频黄页-成人免费高清视频-成人免费福利片在线观看

H44N natural cyclone check valve

H44N natural cyclone check valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

H44N natural gas swing check valve adopts internal rocker arm swing structure, all the open and close parts of the valve are installed in the valve body, do not penetrate the valve body, except for the middle flange with gasket and seal ring, there is no leakage point as a whole, to prevent the possibility of valve leakage. The sealing surface is made of elastic nylon or polytetrafluoroethylene, which improves the sealing performance and avoids the electrostatic spark caused by the impact of medium pressure.

Main uses

The function of natural gas swing check valve is to prevent medium backflow in natural gas, gas, gas and liquefied petroleum gas pipelines. It can be widely used in petroleum, chemical, electric power, metallurgy, commercial services and other industries, especially for gas production, storage, use units.

Scope of use

Range: DN15 ~ DN300

Pressure range: 1.6MPa ~ 32.0MPa

Temperature range: -20 C ~ 200 c

Medium range: gas, natural gas, liquefied petroleum gas, gas and other inflammable and flammable gases.

Application specification

設計與制造
GB/T12235
連接端尺寸
結構長度
GB/T12221
法蘭尺寸
JB/T79
檢驗與試驗
JB/T9092
材料
碳鋼
GB/T12229
不銹鋼
GB/T12230
合金鋼
Q/ZB66
標志
GB/T12220
供貨
JB/T7928


performance parameter


公稱壓力PN
2.5
4.0
MPa
殼體試驗壓力PT
3.75
6.0
高壓密封試驗壓力
2.75
4.4
適用介質
液化氣、天然氣等
適用溫度
-20∽+200℃
法蘭連接標準
JB/T 79-94


Main shape connection dimensions


公稱通徑DN
L
D
D1
D2
b
Z-Φd
H
WT(Kg)
H44N-16C
50
230
160
125
100
16
4-Φ18
135
21
65
290
180
145
120
18
4-Φ18
142
28
80
310
195
160
135





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.H44N natural cyclone 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!
野花日本大全免费观看3中文版5| 亚洲AV极品无码专区在线观看| 无码专区3D动漫精品免费 | 视频在线一区二区三区| 小东西好几天没弄了还能吃吗| 亚洲人成图片小说网站| 99国产精品无码专区| 放荡爆乳女教师电影在线观看| 国产亚洲AV片在线观看播放| 狼人视频国产在线视频WWW色| 人妻中文字幕在线| 亚洲A∨精品一区二区三区下载| 夜夜澡天天碰人人爱AV| 薄荷奶糖(1V2)笔趣| 国产曰的好深好爽免费视频| 蜜臀AⅤ永久无码一区二区| 日韩无码av一区二区| 亚洲大尺度专区无码浪潮AV| 9420高清完整版在线观看| 国产 中文 制服丝袜 另类| 精品午夜人成一区| 人妻精油按摩BD高清中文字幕| 无人免费观看视频在线观看| 制服 丝袜 人妻 专区一本| 东北妇女精品BBWBBW| 久久AV无码精品人妻糸列| 人妻无码久久精品人妻| 亚洲成AV人片在线观看不卡| GAY国产GV又粗又长又大| 国产在线成人一区二区三区| 女人裸体张开腿无遮挡| 无遮挡又色又刺激的视频黄| 在线观看无码AV网址| 国产成人亚洲日韩欧美| 麻花豆传媒剧国产MV在线上-| 少妇与子乱A级全毛片| 伊人久久大香线蕉午夜AV| 公翁大龟挺进秀婷全文免费阅读| 久久久久亚洲AV无码专区喷水| 色鬼7777久久| 英语老师乖乖挽起裙子的意思| 国产JIZZJIZZ麻豆全部免| 麻豆日产精品卡2卡3卡4卡5卡 | 成年女人天堂香蕉网| 精品一区二区三区免费视频| 搡老女人老妇女老熟妇| 又色又爽又黄的视频APP软件下| 疯狂揉小泬到失禁高潮| 麻豆国产蜜桃臀视频在线观看| 天天做天天摸天天爽天天爱| 中文字幕乱码亚洲∧V日本| 国产三级无码内射在线看| 欧美操逼视频网站| 亚洲精品国产美女久久久99| 丰满多毛的陰户视频| 蜜臀av色欲一区二区三区麻豆 | 国产人成精品香港三级在线| 欧美人与劲物XXXXZ0OZ| 亚洲人成网站18禁止无码| 国产成AV人片在线观看天堂无码| 免费国精产品WNW2544| 亚洲AV永久精品无码桃色| 成为人视频人的APP有哪些软件| 久久久久久久精品国产亚洲87| 甜性涩爱在线播放| YW尤物AV无码点击进入福利| 久久久精品成人免费观看国产| 无码精品一区二区三区视频色欲网| AV无码免费一区二区三区| 精品系列无码一区二区三区| 玩小雪跪趴把腿分到最大影视| AV一区二区三区| 久久久精品妓女影院妓女网| 小说蜜汁樱桃林妙妙的结局| 成人毛片18女人毛片免费| 男人用嘴添女人下身免费视频| 亚洲欧洲老熟女AV| 国产情侣一区二区| 少女たちよ在线观看动漫4| FREE潄白的SEX性娇小HD| 久久综合给久久狠狠97色 | 日产无人区一线二线三线观看| 中文亚洲AV片不卡在线观看| 精品成人乱色一区二区| 无码熟妇人妻AⅤ在线电影| 成人爽A毛片免费网站美国| 欧美巨大黑人精品一二三| 尤物AV无码色AV无码| 精品少妇人妻av免费久久洗澡 | 曰本无码人妻丰满熟妇啪| 久久6久久66热这里只是精品| 性一交一乱一色一视频| 国产YEEZY451| 入睡指南PO高干粟熹沉芙| 暗交小拗女一区二区三区三州| 男女18禁啪啪无遮挡激烈网站| 野花高清中文免费观看视频 | 免费A级毛片无码视频| 亚洲无人区码卡二卡三卡四卡| 狠狠色噜噜狠狠狠狠AV| 唔嗯啊欧美一级作爱网站| 国产成人无码专区| 舌头伸进去添的我好爽高潮电影| 部长的夫人的味道中字| 人妻三级日本香港三级极| JAVAPARSER乱偷| 欧美激情国产精品视频一区二区| 最新国产在线拍揄自揄视频| 麻豆成人传媒一区二区| 曰韩一区二区三区视频| 久久永久免费人妻精品直播 | 西西顶级艺术人像摄影| 国产精品青青青高清在线| 甜性涩爱在线播放| 国产精品高潮呻吟久久AV| 忘忧草视频在线观看| 国产成人AV一区二区三区不卡 | 亚洲精品无码AMM毛片| 精产国品一二三产区区別| 亚洲成人AV在线播放| 精东传媒VS天美传媒在线老牛| 亚洲AV成人无码久久WWW| 国产无遮挡无码视频在线观看不卡 | 啊轻点灬大JI巴太粗太长在线了 | 亚洲AV不卡一区二区三区| 国产自产V一区二区三区C| 亚洲国产成人VA在线观看| 精品日本久久久久久人妻日本| 亚洲啪AV永久无码精品放毛片| 久久国产乱子伦精品免费女人| 亚洲性无码一区二区三区| 久久亚洲AV成人无码| 18禁无遮挡无码网站免费| 欧洲老人毛多BBWBBWBBW| 成.人.大.片在线观看| 色一情一乱一伦麻豆| 国产精品18久久久久久vr| 性做久久久久久久久| 激情内射亚洲一区二区三区| 亚洲愉拍自拍欧美精品| 免费 成 人 黄 色 网站69| BRAZZERSHD欧美大屁股| 日韩精品一区二区三区中文无码| 国产★蜜臀AV无码8MAV| 午夜精品久久久久成人| 精品第一国产综合精品蜜芽| 亚洲日韩欧洲无码A∨夜夜| 久青草国产97香蕉在线视频 | 亚洲小说区图片区另类春色| 乱码一线二线三线新区破解欧| 97人妻人人揉人人躁人人爽| 人人妻人人澡人人爽欧美二区| 国产爆乳无码福利电影| 国产乱了真实在线观看| 野花韩国高清免费神马百度| 上边一面亲下边一面膜的功效| 97热久久免费频精品99| 日本一二三四高清观看视频| 国产成人综合亚洲精品| 亚洲成AV人片在WWW色猫咪| 老熟妇午夜毛片一区二区三区| BBW与WB和老妇女| 色欲国产精品一区成人精品| 国产日产欧产美韩系列麻豆| 亚洲一卡2卡3卡4卡5卡6卡| 欧美电影在线观看| 够了够了到高C了| 亚洲精品乱码久久久久久不卡 | 国产成人无码AⅤ| 亚洲国产精品第一区二区| 免费人妻AⅤ无码专区久久综合| 波多野结衣放荡的护士| 香港三级精品三级在线专区| 久久婷婷五月综合成人D啪 | 欧美日韩无线码在线观看| 国产V亚洲V天堂无码久久久| 亚洲人成网站色7799| 欧美人与动性XXXXX交性| 国产成人A∨激情视频厨房| 亚洲乱色熟女一区二区三区丝袜| 女人扒开屁股桶爽6O分钟| 俄罗斯13一14幻交| 亚洲日本VA中文字幕| 欧美最猛黑人XXXⅩ猛男欧视频| 国产成在线观看免费视频成本人| 亚洲日韩精品无码AV成人小说| 漂亮人妻熟睡中被公侵犯中文版| 国产精品永久免费| 中文AV无码人妻一区二区三区| 色哟哟最新在线观看入口| 九九99久久精品国产| 啊轻点灬大JI巴太粗太长了欧美 | 日韩欧美操逼视频| 精品国产乱码久久久久久蜜桃免费| 99视频精品全部在线观看| 无人高清视频免费观看在线 | 国产无遮挡又黄又爽又色| 236宅宅理论片免费| 亚洲A∨国产AV综合AV下载| 欧美在线视频一区二区三区|