免费毛片高清完整版_日本一本免费线观看视频_天天摸天天爽天天澡小说_美女mm131暴爽毛片

Navigation

Home > Technology

Pressure regulator

  This technology involves the field of environmental protection is an applied dedusting system pressure regulator, by adjusting the pipe, flange, wear layers, the adjusting tube welded to the mounting flange, adjusting the tube is provided with an internal resistance wear layers. This technical pressure regulator beneficial effects that: simple structure, easy to use and low cost, is an unwanted electrical or pneumatic control, increasing resistance effect obviously, not leakage, commissioning after installation without pressure regulator.