Introduction

Nitrogen blanketing valve does not need external energy,regulate media pressure by energy from media.Widely used for natural gas pipeline,city gas,metallurgy and chemical industry.Two times high precision as normal pressure control valve.

Self-operated nitrogen blanketing valve

ZZDQ nitrogen blanketing unit is made up of control valve,actuator,pressure spring,director and  pulsed tube.Mainly used to maintain gas(normally Nitrogen) pressure constant,and protect materials in vessel from air.This eliminates the possibility of fire or explosion,decreases evaporation,and protects the tank form structural corrosion damage caused by air and moisture,especially suitable for lager storage tanks air blanketing protecting system.

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.