德国奥莱斯OLES进口大口径锻钢球阀
【进口大口径锻钢球阀】详细说明:
锻钢球阀主要用于石油,天然气的长距离管线输送和城市煤气管道系统.由于长输管线用阀的独有特征,因而在设计时充分考虑了其承受管道应力的能力,以及安全性,耐候性,长期使用的可靠性密封设计结构等。驱动方式可选用手动、蜗轮、气动、电动,连接方式可选用法兰、焊接,结构形式为三段式,密封结构可选用软密封、硬密封,压力范围PN1.0-32.0Mpa,公称通径为DN10-200mm,材质可选用锻钢、锻不锈钢。由于阀门的使用范围非常的广泛,同一种阀门在不同的场合与工况有不同的搭配。锻钢球阀是用带有圆形通道的球体作启闭件,球体随阀杆转动实现启闭动作的阀门,既正向旋转1/4圈(90°)时,阀关断。反向旋转1/4圈(90°)时,阀开启。。球阀的启闭件是一个有孔的球体,绕垂直于通道的轴线旋转,从而达到启闭通道的目的。球阀主要供开启和关闭管道和设备介质之用。
Forged steel ball valves are mainly used in long-distance pipeline transportation of petroleum and natural gas and urban gas pipeline system. Due to the unique characteristics of long-distance pipeline valves, their ability to withstand pipeline stress, safety, weatherability, long-term reliability and sealing design structure are fully considered in the design. Manual drive mode, worm wheel, pneumatic and electric drive mode can be selected, flange and welding can be selected as connection mode, three-stage structure can be used, soft seal and hard seal can be selected as sealing structure, pressure range PN1.0-32.0 Mpa, nominal diameter DN10-200 mm, material can be used forged steel, forged stainless steel. Because of the wide application range of valves, the same valve has different matching in different situations and working conditions. Forged steel ball valve is a valve which uses a sphere with circular passage as the opening and closing part. The sphere rotates with the stem to realize the opening and closing action. When the sphere rotates 1/4 times (90 degrees) in the positive direction, the valve closes. When the reverse rotation is 1/4 turn (90 degree), the valve opens. The opening and closing part of the ball valve is a sphere with holes, which rotates around the axis perpendicular to the channel to achieve the purpose of opening and closing the channel. Ball valves are mainly used for opening and closing pipes and equipment media.
【进口大口径锻钢球阀】特点:
1、所有部件均为锻件
2、采用下装式阀杆,设备倒密封结构
3、采用镶嵌式阀座,阀座背后设备O型圈,确保介质不外漏
4、密封面采用尼龙或聚四氟乙烯,它的磨擦系数通常为巴氏合金的1/3,因此它是一种自然滑性材料。但抗弯曲强度和冲击强度及较高的延性,与金属不相上下。
锻钢浮动球阀产品特征
锻钢浮动球阀, 锻造材料可以确保足够的硬度和强度ZD额定操作压力下没有内在缺陷施放. 足量的壁厚度决定身体和适应不同的高强度螺栓阀系方便维护和足以承担压力管道阀门的阀内件精心设计, 选择在各种工作可靠性的工作条件.
2.防火安全结构
当耳轴球阀正常使用,其加盖阀座和球面法、阀座固定器o形环和盖章的身体,这是软密封,密封可靠当阀座和o形环受伤,阀座固定器和身体会加盖膨胀石墨这样的行为防火安全的目的.
3.防静电设备
为了防止间的磨擦球,杆和聚四氟乙烯产生静电可能点燃易燃物品和炸yao,导致事故,在这个球阀,静态传dao弹簧之间阀杆和球,阀杆和身体因此静电是地面和系统安全进行担保.
4.自由泄漏的身体密封结构
畅顺,阀门的开关位置阀体和阀帽的双加盖垫片和o形环,在此基础上,这样的原因似火、高温、减震和凹凸不平的开放或关闭扭矩都不会引起外泄漏.
5.操作低扭矩
自我润滑轴承安装在摩擦的干细胞,导致耐磨、灵活的运作和低扭矩.
6.减轻自动阀体凹处
当身体压力上升不正常的,如不稳定因素、耳轴球阀下游阀座上将被正常压力, 同时不正常的自动释放压力, 并不损坏密封的上游的座位