18禁91,又大又爽操逼大片国产,日韩淫操,精品国产久久久久久黄无码-05AV

location:Home / Products / Api Valve / American standard valve (globe valve)

American standard valve (globe valve)

American standard valve (globe valve)

Consult American standard valve (globe valve)

The valve body of the American standard valve (globe valve) adopts a spherical structure, with a beautiful appearance. The valve seat and disc adopt a conical sealing structure, which is reliable in sealing. The American standard flange globe valve is suitable for various pipelines with a working temperature of 29-425 ℃ (American standard cast steel globe valve) or -196-600 ℃ (stainless steel American standard globe valve) in Class150~2500, used to cut off or connect the medium in the pipeline.


American standard valves (globe valves) are used to cut off or connect media in pipelines. Different materials are selected and can be used for various media such as water, steam, oil, nitric acid, acetic acid, oxidizing media, urea, etc.

Features of American Standard Valve Products


1. The valve body of American standard valves (globe valves) has a spherical or streamlined shape with beautiful appearance. The flow shape is straight through, with low fluid resistance.

2. The sealing pair of the valve disc and valve seat adopts conical sealing, which is reliable in sealing and prevents debris from falling on the sealing surface. The closing force is small, resistant to erosion, and the sealing is reliable,

3. The valve seat can be a replacement type, and can be matched with any combination of sealing surface materials to meet the requirements of working conditions and extend its service life.

4. The large diameter, high pressure globe valve adopts a lifting rod as the transmission mode of the valve stem according to the needs of the closing force, and is equipped with a rolling bearing type and bevel gear to reduce the closing force.

5. The materials of the valve body, disc, valve stem, packing, and fasteners can be reasonably selected according to the actual working conditions, to be suitable for various different working environments.


If you have any questions or suggestions regarding the product, or if you would like to know, you can contact us at any time.

成人不卡视频| 激情丁香欧美| 国产日韩精品suv| 超碰高清无码在线| 久久久久久久久久久国产| 一区 亚洲 欧美 自拍| 与亲女洗澡伦了东北| 精品 国产 无码 怀孕| 日本久久88综合| 久久九九久精品国产日韩经典| www.动态av| 日韩欧美中文综合| 我要看毛片,要不下载削看的| 国产精品XXX在线观看www| 久久久毛片免费看| 九九re久久| 九九综合| 中国一区二区黄片| 色综合 国产| 国产一区91精品张津瑜| 欧美簧片在线| 亚洲 欧美 动漫| 九九亚洲| 欧美色视频一区| 日本精品国产精品| 亚洲精品无码久久久| 国产精品特级毛片一区二区三区| 欧美日韩国产在线人成| 亚洲av成人网站在线播放| 成人片国产精品亚洲| 美丽小蜜桃| 平果县| 偷窥国产亚洲女爱视频在线| 久久 精品 一区二区| 91色老久久精品偷偷鲁无毒| 亚洲国产视频久久久| 无码国产精品久久久久孕妇| 欧美熟女色图| 国产在线综合第一站| 亚洲AV成人无码一二三在线观看| 日韩高清网站|