Qingdao Nuodean Pump Co.,Ltd, located in Qingdao City of China,is a professional company engaged in the development, production, sales and service of diaphragm pumps & hose pumps. Our company has independent intellectual property rights and trademarks. 
 NUODEAN’s DP11 Series diaphragm pumps are patented products independently developed by our company, which offer great performance :  non-stall, less-pulsation,anti-freezing, maintenance-free,durable and with large flow.  DP11 Series pumps’ patented pilot air valve provides an positive, reliable, faster shift signal,and then provides faster pump trip-over with more flow and less pulsation. At the same time,all Nuodean’s DP11 Series pumps have applied a dual ceramic air valves system which are  wear-resistant, self-lubricating , maintenance-free, long lifetime, and applicable to the harsh environment of air source. So ,our DP11 Series offer higher performance than similiar products.
 NUODEAN’S pumps include:diaphragm pumps, powder pumps, hose pumps ,etc.
NUODEAN air operated diaphragm pumps and hose pumps are ideal for general industrial and OEM installation applications.They can easily pump from clean,light viscosity fluids to corrosive,abrasive medium viscosity fluids and can transfer large particles without damage.Due to their pneumatic motor,they could be used in potentially explosive areas.
At all, we will supply good quality products,with good prices and satisfactory services. We welcome the opportunity to earn your business.


Patented Air Motor of Our DP Series Diaphragm Pump

Air motor is the core of pneumatic diaphragm pump. Just like human heart, it is very important! Once the air motor fails, the pneumatic diaphragm pump will not work!

Our air motor of pneumatic diaphragm pump adopts patent technology:excellent performance, non-stall, maintenance-free and long service life, etc.

Dry Powder Diaphragm Pump

Transfer and handle your dry process powder faster, cleaner and at a fraction of the cost associated with installed “systems”.
Consistent trouble-free transfer of powders up to 45-lbs.per cubic foot(721kgs. per cubic meter) dry-weight, such as carbon black, expanded mica, silicones, acrylic resins, 3D printing powders and pharmaceuticals.

Triple Diaphragm Pump