国产精品久久久久久|成年入口无限观看免费完整大片|中文字幕本久久精品一区|99蜜桃臀久久久欧美精品|国产日韩av在线播放

CN / EN

Stainless steel flanged ball valves provide customized service

發布時間:2022-07-14瀏覽量:0

If the customer wants to customize the stainless steel flanged ball valve, they need to provide a set of parameters. These parameters should be clarified before designing the ball valve. The specific specifications are as follows:

    1. Clarify the specific parameters, operating conditions and relevant implementation standards of the stainless steel flanged ball valve.

    2. Determination of the structure of the stainless steel flanged ball valve: if the pressure is not high and DN≤150, a floating structure with a simple structure can be selected. If the floating structure cannot meet the production requirements, a fixed or other structural type can be selected.

    3. Determination of sealing material of stainless steel flange ball valve: If the operating temperature is less than or equal to 300 degrees, plastic materials can be selected as the sealing surface. If the operating temperature is greater than 300 degrees, or the medium contains particles, metal materials can be selected as the sealing surface.

    4. The use requirements of stainless steel flanged ball valves are determined: fire protection, anti-static requirements, etc.

    5. The number of channels of the stainless steel flange ball valve is determined: straight-through, three-way, four-way, etc.

    6. Determination of the form of elastic elements.

    7. Determination of the structural length and connection size of the stainless steel flanged ball valve.

    8. Determination of the diameter of the sphere channel

    9. Determination of the diameter of the sphere.

    Zhejiang Changyi Valve Co., Ltd. stainless steel flanged ball valve enterprise provides various valve customization services. If necessary, you can inquire. Hotline: 0577-86913210


主站蜘蛛池模板: 国产精品久久久久久妇女6080| 高清一区中文字幕| 国产精品乱码在线观看| 中文字幕人妻丝袜乱一区三区| 日韩av无码国产精品| 久久精品黄aa片一区二区三区 | 日韩精品一区二区在线观看网址| 西西人体44www大胆无码| 偷拍自拍亚洲一区| 亚洲愉拍二区一区三区| 精品久久久久久久久久久aⅴ| 亚洲欧美丝袜精品久久中文字幕| 国产精品视频永久免费播放 | 国产成人av综合久久| 污污污一区二区三区| 国产精品欧美一区乱破| 亚洲不乱码卡一卡二卡4卡5卡| 成人伊人青草久久综合网| 青青草97国产精品免费观看| 亚洲色大成网站www永久网站| 欧美亚洲色综久久精品国产| 精品国产a∨无码一区二区三区 | 亚洲国产日韩欧美一区二区三区 | 亚洲娇小与黑人巨大交| 亚洲精品久久中文字幕| 欧美嫩模一区二区三区视频1| 99一区二区三区| 99久久国产成人免费网站| 中文有码无码人妻在线| 国产一区二区三区免费视频播放| 另类小说一区二区| 丰满少妇夜夜爽爽高潮水| 久久精品国产清自在天天线| 精品无码人妻一区二区免费蜜桃| 少妇午夜福利一区二区三区| 亚洲自拍一区x99av| 亚洲成片在线观看12345| 亚洲一区二区国产三区| 久久伊人蜜桃av一区二区| 久久精品aⅴ无码中文字字幕不卡| av大片在线无码免费|