亚洲欧美一区二区激情,精品少妇爆乳无码av无码专区,国产AV无码片毛片一级,国产精品无码免费专区午夜,久久激情亚洲中文字幕,中文字幕精品无码亚洲幕,日韩午夜福利无码专区a,精品久久久无码人妻中文字幕
Return
  • Forged
  • Forged Steel Gate Valves

    Product model: Z41H
    Nominal Path: NPS 1/2"~NPS 2" DN15~DN50
    Pressure range: CL150-CL2500 PN16-PN420
    Working Temperature: -29 ~+560
    Main material: carbon steel, stainless steel, alloy steel
    Scope of application: It is suitable for piping of tap water, food, pharmaceutical, electric power, petroleum, liquefied gas, steam, etc.

    Design code

    Design criteria: API 602, ASME B16.34, JB/T 7746

    Structural Length: ASME B16.1, GB/T12221, JB/T96

    Connection standards: ASME B16.5, ASME B16.47, ASME B16.25, GB/T9113

    Pressure test: API 598, GB/T 13927, JB/T 9092

    Pressure-temperature grade: ASME B16.34, GB/T12224


    Product characteristics

    1. It is simple in structure, compact in size and light in weight. It is not only easy to install and use, but also easy to repair and replace in the future.

    2. The fluid resistance is small, and the sealing surface is less eroded and eroded by the medium.

    3. Opening and closing is labor-saving, with good manufacturing technology and wide application range.

    4. Forged steel valves adopt self-sealing design. The greater the pressure of the surrounding environment, the more reliable their sealing performance. In the use process, there is no need to worry about the negative impact of high pressure on them. It can also be used in high-pressure environment where other valves are not competent.

    5. Because of the special performance, technical characteristics and working conditions, the products also have the characteristics that other products can not replace.


主站蜘蛛池模板: 亚洲午夜精品a片一区二区app| 成人片无码免费播放| 亚洲中文字幕一二三四区苍井空| 久久人妻少妇偷人精品综合桃色| 色婷婷亚洲精品综合影院| 18禁区美女免费观看网站 | 中文字幕人妻中文| 无码丰满人妻熟妇区| 国产野战无套av毛片| 亚洲精品久久久久中文字幕一福利| 免费无码午夜理论电影| aaa少妇高潮大片免费看| 丰满多毛少妇做爰视频| 欧美激情日韩精品久久久| 一本到无码av专区无码| 久久久亚洲欧洲日产国码是av| 一本色道av久久精品+| 潮喷大喷水系列无码久久精品| 免费人成在线视频无码| 131美女mm爱做爽爽爽视频| 色婷婷六月亚洲婷婷6月| 精品三级久久久久电影网| 国产午夜亚洲精品不卡| 在线精品无码字幕无码av| 国自产拍偷拍精品啪啪av | 自拍偷自拍亚洲精品偷一| 日本夜爽爽一区二区三区 | 亚洲色大成网站www在线观看| 久久亚洲色www成人图片| 国产高清中文手机在线观看| 丰满的少妇被猛烈进入白浆| 亚洲欧美日韩国产精品专区| 亚洲国产成人资源在线| 人妻丝袜中文无码av影音先锋专区 | 无码一卡二卡三卡四卡| 狠狠色狠狠色狠狠五月| 日本工口里番无遮█彩色| 2018天天躁夜夜躁狠狠躁| 免费无码午夜福利片| 黑人巨茎精品欧美一区二区 | 国产下药迷倒白嫩美女网站|