![]() | Small and portable, easy to remove and repair, and can be installed in any position. Simple structure, compact, 90 ° rotating rapidly opening and closing. Small operation torque, easy to operate. The flow characteristics tend to be straight line and adjust the performance. It's been tested tens of thousands of times and has a long lifespan. Fully sealed, the gas test leak is zero. The choice of different parts and materials can be applied to multiple media. |
主要零件材料