全启式安全阀和半开式安全阀有哪些区别 它们有哪些特点

Release time:2023-01-31
author:Ameya360
source:网络
reading:2058

  全启式安全阀是由一个主阀和至少两个先导阀组成的并联阀。当管路中介质压力超过规定值(即弹簧力小于零)时,通过导流孔的液体会自动打开出口通道;否则全启式安全阀出口大小,通道关闭。今天Ameya360将为大家进行介绍,它由于这种结构形式具有以下优点:

  当系统出现故障或工作条件发生较大变化,但要求相对稳定时全启式安全阀出口大小,可选用此类安全阀作为保护装置,保证生产运行系统的正常运行。

全启式安全阀和半开式安全阀有哪些区别  它们有哪些特点

  一、全启式安全阀特点:

  (1)采用双座直动机构带动杠杆重锤使活塞上下运动带动滑块旋转实现开关功能。

  (2)密封材料通常采用耐腐蚀性能好的铜合金或不锈钢材料。

  (3)与锁紧套配合,可改变调节螺钉的工作状态。

  (4)利用手动控制机构的正反动作切换全开/全关两种不同功能的工作方式。

  (5)可根据用户需要设计成遥控、遥控操作方式。

  二、全开式和半开式安全阀的区别:

  1)全开型的特点:

  全启式是一种由单缸或多缸组合而成的新型安全阀。 该型安全阀的结构特点是多个气缸组合在一起共同作用于阀体,同时每个气缸具有节流和流量控制的双重功能。

  2)半开放式特点:

  半开式安全阀的主要优点是结构简单、重量轻、维修方便。 缺点是泄漏量比较大,不能用于高压系统中的流体切断。

  3)根据以上比较可以看出,两者各有优缺点,因此在实际工作中,应结合实际情况合理选择和使用。


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