日韩欧美一二区_亚洲无码 鲁 鲁 更健康_国产美女一区三区_中文欧美日韩无线码_中文字幕亚洲激情_国产成人精品男人的天堂538_毛片影院在线观看_很黄很湿18以免费视频_国产乱子伦精品中文_过程网站在线观看黄

Pressure-sealed 2500lb globe valve are valves with closing members (discs) moving along the center line of the seat.Depending on this movement of the disc, the variation of the seat orifice is proportional to the disc travel.Due to the relatively short stem opening or closing stroke of the valve, and has a very reliable cut-off function.

Product model: J61Y
Nominal size: NPS1/2"~2"
Nominal pressure: Class150~2500Lb
Applicable medium: water, steam, oil, etc
Main materials: A105, A182F22, A182F304, A182F316 (L)
Applicable temperature: -29℃ ~ 550℃