![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e3f40e4ade00bb78a546155476fe73443.jpg)
阀门试验台使用压缩空气为动力源,输出液压力与驱动气源压力成比例。通过对驱动气源压力的调整,便能得到相应的液压力。根据被试件的不同压力,调整驱动气体压力,高压泵产生相应压力的高压液体,经过压力控制系统,由高压管路输送给试样件中,进行静压试验。
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e94722766b020450261bc59ca42528913.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e3e8199b07dd360fe26a51a725c1de199.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e594d8e4dd529a9b4f62a06336e6f2460.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e15551272e12149e33722af00f0af5eaf.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771ea0002a4e7c0fa107c04a2a9247c751c0.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e0a8cf756826dd0095b0f314827383a4c.jpg)
测试台采用端面密封圈、顶压油缸直接顶紧被测试阀门端面压紧,顶压油缸由液压直接驱动来工作,轴向可以进退,不受结构长度限制,拉杆之间有较大间距,不受阀门法兰直径限制。高压水泵由4-7bar气压系统作动力,经过电器控制换向阀自动换向,使高压水缸(泵)自动往复运动工作,利用吸水单向阀和出水单向阀互换不断向被试阀门供压,达到被试阀门所需压力要求。
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771ea12685540068204977d01586f02d3b1c.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e933df9c646b5dd59dd6458ed027e7d52.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e33fdf38ca2085d91164485e1e8f10628.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e4e0e3290855cf33bf7038c615f8d1bc2.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e182108a9b64ba2a0bbf3983092ba07d9.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e4e0e3290855cf33bf7038c615f8d1bc2.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771ec7c1de80e33893ddae179a63aa12d8a0.jpg)
![](https://img79.zgong.com/5eceadd4559dcfd230500c807509597521bdd227cb6f771e74d8ca66f3eb656911d4814bcdb6229d.jpg)