天天躁日日躁狠狠躁,gogo色少妇人体,久久无码人妻丰满熟妇区毛片,国偷自产AV一区二区三区123


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??煽康牟僮餍赃@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準(GB/T4213-92)氣動執(zhí)行機構(gòu)的銘牌至少要標   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準,要由主管部門簽定認可。嚴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格選擇,要有足夠的強度和剛度,要按照國家標準通過耐壓試驗,   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 精品香蕉99久久久久网站| 欧美人体艺术视频| 清一区二区国产好的精华液| 黑人巨大JEEP日本人| 解开警花的裙子猛烈进入| 夫妇当面交换作爱| 他用嘴巴含着我奶头好舒服| 99久久99久久精品国产片果冻| JIZZJIZZ日本护士水好多 | 76少妇精品导航| 日韩GAY小鲜肉啪啪18禁| 久久兔费黄a级毛片高清| 狠狠综合久久无码AV网站 | 久久久久亚洲AV成人无码网站 | 一边摸一边抽搐一进一出视频 | 日韩夜夜高潮夜夜爽无码| 朋友的丰满人妻HD中文| 秘书在办公室被躁到高潮| 两男一女两根同进去舒服吗| 窝窝午夜精品一区二区| 边做边爱mp3在线播放免费观看| 丰满少妇被猛烈进入在线播放| 伊人色啪啪天天综合婷婷| 少妇人妻综合久久中文字幕| 一体一道久久88色合综合网 | 久久精品无码一区二区国产盗| 少妇偷人对白又粗又大视频| 国产成人精品免高潮在线观看| 亚洲一区二区三区写真| 国产粉嫩小泬在线观看泬| 亚洲熟女AV综合一区二区三区| 久久AV无码精品人妻出轨| 阿娇艳Z门照片无码AV4I| 韩国三级大全久久网站| 国产精品扒开腿做爽爽爽a片小说| 亚洲中文字幕无码爆乳AV| GOGO西西人体大尺寸大胆高清| 电击惩罚花蒂榨乳调教小说| 中文字幕精品无码亚洲字幕| 啊好涨用力哦太深了| 色精阁久艾草国产WWW|