377粉嫩欧美色噜噜,亚洲一区二区下载入口站,日本黄色视频在线免费观看,久久久精品人妻一区二区蜜桃,美妇岳的肉泬第69部分在线观看

Jinzhou HuaFeng Quartz glass electrical Co.,Ltd .

Chinese English

Products

?

contact us

Jinzhou HuaFeng Quartz glass electrical Co.,Ltd .
Contact: Mr. Zhang
Mobile phone:15174082708
Mobile phone:13700069840
QQ:285692358
mailbox:zq@hfshiying.com
Address: No. 118, Jinchao Street, Guta District, Jinzhou
Sight glass series

main parameter

 

IN DN L H D D1 D2

 

1/2″ 15 130 65 80 65 50

 

3/4″ 20 130 65 80 65 50

 

1″ 25 130 65 80 65 50

 

11/4″ 32 160 80 100 80 65

 

11/2″ 40 160 85 100 80 65

 

2″ 50 170 85 100 80 65

 

Repair and maintenance:

 

A. the mirror glass is suitable for damage. Handle it carefully when installing the mirror.

 

B. the mirror is a flow reaction equipment used to observe liquid, gas, steam and other media, and its window glass shall be kept clean and dust-free.

 

C. temperature resistance and pressure resistance of glass have certain limitations. Temperature resistance: tempered borosilicate glass: ≤ 180 ℃, quartz glass: 800 ℃. Pressure resistance: tempered borosilicate glass sheet: ≤ 3.0MPa,

 

Quartz glass sheet: < 10.0MPa, tempered borosilicate glass cylinder: < 1.0MPa, quartz glass cylinder: < 1.6Mpa. The allowable temperature of glass is less than 60 ℃ ~ 100 ℃

 

D. in case of any crack or damage, it must be replaced immediately.

? 一本色道久久综合无码人妻88 | 国产做爰又粗又大太疼了 | 9999啊啊啊啊在线观看 | 中文字幕AV在线观看 | 美女被操喷水视频免费看 | 97人妻无码一区二区三区精品免费 | 国产一级做a爰片在线看免费 | 欧美成人一区三区无码乱码A片 | 牛牛影视精品国产伦 | 欧美午夜精品成人片在线播放 | 麻豆av中字免费播放 | 国产91色欲麻豆精品一区二区 | 91在线无码精品秘 入口 | 一本色道无码人妻精品 | 先锋影音av亚洲一区二区 | 97人人添人人澡人人爽亚洲正品 | 熟女久久精品一区蜜桃 | 日韩人妻中文字幕视频网站 | 亚洲 SWAG 91 麻酥酥 | 高級中出人妻内射破解 | 国产精品农村妇女aaaa | 美女裸体视频一区二区 | 97丨牛牛丨国产人妻 | 精品久久久久久无码人妻另类 | 小向美奈子A片在线观看 | 人妻一卡二卡欧美视频 | 中文字幕一区二区人妻在线不卡 | 欧美老熟妇性化子伦XX视频 | 免费无码婬片AAAA片直播 | 97伦伦午夜电影理伦片 | 国产美女遭强高潮开双腿网站小说在线观看 | 久久AⅤ乱码一区二区三区 亂倫近親相姦中文字幕网站 | 波多野结衣中文高清无码 | 国产又粗又猛又爽又黄的视频软件 | 欧美精品久久一级A片69式网址 | 国产清纯大学生白嫩动态图 | China国产又大又粗前入后入 | 日韩一曲二曲三曲电影 | 久久久久亚洲AV无码尤物黑人 | 欧美肉动漫一区二区三区无码 | 高清无码少妇一区二区 |