亚洲午夜精品久久久久久成年,毛片无码免费无码播放,国产XXX69麻豆国语对白,免费一级a一片久久精品网

歡迎訪問浙江優(yōu)機機械科技有限公司網(wǎng)站?。?!

  • 全部咨詢熱線:
    0577-6713 6666

技術(shù)中心 >> 旋啟式止回閥訂貨合同數(shù)據(jù)表

 

 
(資料性附錄)
石油、化工及相關(guān)工業(yè)用旋啟式止回閥訂貨合同數(shù)據(jù)表
 

 
工作條件
 
 
閥門要求的標準: GB/T 122362008                                                             
閥門安裝的位置:                                                                                 
閥門的公稱尺寸:                                    閥門的壓力等級:                             
    最高工作壓力:                                     最小壓差:                                   
    最高工作溫度:                                      最低工作溫度:                               
    使用介質(zhì)及組分:                                                                                  
    閥門的功能要求:                                                                                 
 
結(jié)構(gòu)長度和端部連接
 
   結(jié)構(gòu)長度的要求:                                                                                 
    進口管:外徑(OD)                                      內(nèi)徑(ID)                                   
    材料:殼體                                             密封面                                    
    連接方式:法蘭或焊接?                                                                            
    法蘭的要求:平面、凹面、榫槽或環(huán)接?                                                              
    焊接端形狀和技術(shù)要求:                                                                           
 
其他要求
 
 承壓元件是否需抗硫處理:                                                                          
    放泄裝置的要求:                                                                                 
    需要的涂漆和涂層:                                                                               
要求提供的文件:                                                                                  
    無損檢驗要求說明:                                                                               
其他要求說明:                                                                                   
                                                                                                  

[來源:原創(chuàng)] [作者:admin] [日期:10-07-02] [點擊:]

評論

亚洲午夜精品久久久久久成年,毛片无码免费无码播放,国产XXX69麻豆国语对白,免费一级a一片久久精品网