少妇粉嫩小泬喷水视频,亚洲乱码精品久久久久..,国产色综合久久无码有码,日韩人妻无码中文字幕视频


名稱:上海乾拓貿(mào)易有限公司
上海地址:上海市嘉定區(qū)嘉涌路99弄6號713室
聯(lián)系人;沈雪
企業(yè)QQ:2880626081
手機;18918574312(微信) 
電話;021-69000975
郵箱:18918574312@163.com


聯(lián)系人:羅丹
QQ:2880626082
直線電話:021-39526590
聯(lián)系人:羅小姐 18917038407(同微信)
郵箱:18917038407@163.com


聯(lián)系人:章瑩玲
企業(yè)QQ:2880626085
手機;18918572467(微信) 
電話;021-69000973
郵箱:18918572467@163.com


聯(lián)系人:王亞波
QQ:2880626088
021-39529839-8012
手機:17321056802(同微信)
郵箱:17321056802@163.com




新聞中心

分別介紹ASCO電磁閥的參數(shù)要求有哪些

發(fā)布時間:2015-03-04
分別介紹ASCO電磁閥的參數(shù)要求有哪些
為確保ASCO電磁閥的工作**和可靠性,必須做到如下要求:   1、確保可靠的操作性這里不公指電磁閥本身的制造質(zhì)量,而且包括對操作人員的培訓(xùn)和素質(zhì)的提*。為了防止誤操作,工藝人員一定要注意銘牌所   標(biāo)示的注意事項。重要的閥門都要有足夠的附件,如定位器、限位開關(guān)等。根據(jù)我國新的氣動電磁閥標(biāo)準(zhǔn)(GB/T4213-92)氣動執(zhí)行機構(gòu)的銘牌至少要標(biāo)   出制造廠名、產(chǎn)品型號、額定流量系數(shù)、設(shè)計位號、產(chǎn)品編號及制造年月等事項。要有足夠的安裝空間和操作空間,有足夠的安裝空間和操作,有足夠的   照明,有嚴(yán)格的操作規(guī)程。閥體上則應(yīng)鑄出或沖出表示介質(zhì)流動方向的箭頭和DN數(shù)值以及PN的字樣及數(shù)值。   2、的制造技術(shù)和測試方法必須符合標(biāo)準(zhǔn),要由主管部門簽定認(rèn)可。嚴(yán)禁不具備條件的小廠進行。**電磁閥的質(zhì)量電磁閥的選用   要經(jīng)過嚴(yán)格的計算;類型、口徑、各項**都要符合要求;電磁閥各種零件的材料要嚴(yán)格選擇,要有足夠的強度和剛度,要按照國家標(biāo)準(zhǔn)通過耐壓試驗,   氣密性等試驗。
以下參考譯文如下:
To ensure the performance and reliability of the solenoid valve, you must do the following requirements: To ensure reliable operation unfair to refer to the solenoid valve manufacturing quality, but also improve operator training and quality. In order to prevent misuse, the process should pay attention to the nameplate of the Note marked. Important valve should have enough accessories, such as location, limit switches, and so on. Pneumatic actuator nameplate at least to be marked according to the new pneumatic solenoid valve standard (GB/T4213-92) Out the matter of the manufacturer's name, product type, rated flow coefficient, design number, product number and year of manufacture. Have enough space for the installation and operation of space, there is enough space for installation and operation, there is enough Lighting, has strict rules. The body should be cast out or out of said medium flow direction arrow and the word DN value and PN and numerical. 2, the manufacturer of the manufacturing techniques and testing methods must comply with the standards, signed by the competent authority recognized. Prohibited does not have the production conditions of small factories for production. Ensure the selection of quality solenoid valve solenoid valve To go through a rigorous calculation; type, caliber, and the performance required to meet the requirements; various parts of the material of the solenoid valve is necessary to strictly select must be of sufficient strength and stiffness, according to national standards through the pressure test, Air tightness test
Copyright@ 2003-2025  上海乾拓貿(mào)易有限公司版權(quán)所有     

Copyright@2003-2018 上海乾拓貿(mào)易有限公司版權(quán)所有 電話:021-39529830/39-8005  021-39529831/29-8002 傳真:021-39529839 

地址:上海嘉定嘉涌路99弄6號713 郵編:201812  易展提供技術(shù)支持  滬ICP備09006758號-20    網(wǎng)站管理入口

         滬ICP備09006758號-20   

滬公網(wǎng)安備 31011402005010號

點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 日本美女图片| 国产成人啪精品视频免费软件| 无限资源在线观看片中文在线| 色综合久久88色综合天天| 天天爽夜夜爽夜夜爽| 特级毛片a片久久久久久| 中国a级毛片免费观看| 糖心vlog官网| 国产精品 视频一区 二区三区| 国产亚洲AV无码AV男人的天堂| 午夜无码熟熟妇丰满人妻| gogo西西人体做爰大胆视频图| 性xxxx视频播放免费| 性xxxx18免费观看视频| 久久无码人妻一区二区三区午夜| 亚洲精品欧美二区三区中文字幕| 国产超碰AV人人做人人爽| 国产乱来乱子视频| 亚洲日韩精品无码专区网址| 女人扒开屁股桶爽30分钟| 色又黄又爽18禁免费网站现观看 | 成人午夜福利视频| 成人性生交大片免费看一| 哔哩哔哩免费观看入口| 99久久精品免费看国产| 亚洲人成网站999久久久综合| 欧洲美女与动性zozozo| 香蕉久久久久久久av网站| 人妻妺妺窝人体色www聚色窝 | 处破痛哭A√18成年片免费| 男女裸体做爰猛烈全过程免费视频| 精品亚洲成a人片在线观看| 亚洲国产精品久久久久爰色欲| 狠狠色噜噜狠狠狠888米奇视频| www夜插内射视频网站| 一区二区三区中文字幕| 大内密探零零性| 久久精品国产亚洲av香蕉高清| 宝贝水真多真紧好爽夹死我了 | 人妻体内射精一区二区三区| 亚洲精品无码久久毛片|