Pneumatic diaphragm angel type pressure regulator ,including thin film type straight travel pneumatic actuator and low resistance straight-through valve body, is  mainly used for condition of high pressure or high differential pressure , Serious cavitation and erosion working condition, especially for urea system.  The body is through way type or  right-angle type and the valve core is single direction structure,which are  easy for flow.

It is suitable for controlling high viscosity medium, suspended solids and particle mixed medium without Coking, bonding or jam and about 2 times longer operation life than ordinary valves. 

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.