国模无码视频一区二区三区,丰滿人妻一区二区三,波多野结衣中文无码,久久h,2017亚洲男人天堂,潮喷视频在线观看

current location: Home   >> News >> Company news

Mid-line butterfly valve features

Medium type butterfly valve is mainly used in water plant, power plant, steel mill smelting, paper making, chemical industry, diet and other systems for water supply and drainage, especially in water pipeline as flow regulation equipment.

1. Short structure length, light weight and easy installation.

2, the use of worm gear drive, small torque, open and close flexible.

3, reasonable disc structure, small flow resistance, reliable sealing performance.

4. LBP self-lubricating bushing is adopted, which greatly improves its surface compressive strength and self-lubricating performance.

5, can be installed in any direction, no directional sealing restrictions.

6. The sealing ring can be replaced without completely opening the valve.

7, vertical, horizontal installation can be, easy to use.