Application Environment

Stop valve ,one kind of actuators in automatic system,is made up of multiple spring pneumatic diaphragm actuator or floating piston actuator and control valve.

Stop valve cut off ,turn on or switch the medium according to the signal from regulator.Mainly used for oil chemical,metal etc.Filtered compressed air is required for pneumatic diaphragm stop valve.The media flowing through valve body should be fluid or gas with out impurity or particles.

Established in 2012,Hangzhou Niuzhuo Valves Industrial Co., LTD. is a manufacturer and exporter that is concerned with the design, development and production of valves.
HZNZ is located in Hangzhou, with convenient transportation axxess.Covering an area of 13000 square meters, HZNZ now have about 100 employees, an annual sales figure that exceeds USD 7.7 million and are currently exporting 22% of our production worldwide.
All of our products comply with international quality standards and are greatly appreciated in a variety of diffrent markets throughout the world.
As a result of our high quality products and outstanding customer service, we have gained a global sales network reaching Korea , Thailand, Malaysia,Mid East and more.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.