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QINGDAO NUODEAN PUMP CO., LTD is a leading manufacturer of AODD pumps, high-pressure triple diaphragm pumps, powder pumps, and heavy-duty flap-valve pumps. Engineered for reliability, efficiency, and durability in demanding industrial environments.
With years of expertise in pneumatic diaphragm pump technology, QINGDAO NUODEAN PUMP CO., LTD has established itself as a trusted name in industrial fluid handling solutions.
Our DP3X Series AODD pumps feature an advanced air distribution system composed of a Major Air Valve and Pilot Air Valve, ensuring smooth, efficient operation with minimal maintenance.
We hold multiple patents and maintain a dedicated R&D team focused on improving performance, durability, and energy efficiency across all our pump models.
From raw material selection to final testing, every stage of production follows strict quality control standards to deliver pumps that perform reliably under extreme conditions.
Explore our comprehensive range of diaphragm pumps designed for diverse industrial applications.
High-efficiency air-operated double diaphragm pump with enhanced air valve system. Available in 1", 1-1/2", 2", and 3" sizes. Constructed in aluminum, cast iron, stainless steel, and plastic variants.
Compact and lightweight design ideal for transfer of chemicals, paints, and slurries. Features low air consumption and quiet operation.
High-pressure pump with 2:1 air-to-liquid ratio, capable of generating up to twice the discharge pressure of standard AODD pumps.
Specially designed for conveying dry powders, granules, and bulk solids without degradation or clogging.
Robust pump with flap-type check valves for handling highly viscous, fibrous, or solid-laden media.
General-purpose diaphragm pump with cost-effective design for routine fluid transfer tasks.
Complete range of genuine replacement parts including diaphragms, valves, balls, air valves, and repair kits for all major AODD pump models.
We offer customization services including material selection, port configurations, and special certifications (ATEX, FDA, etc.).
We combine innovation, quality, and customer focus to deliver superior fluid handling solutions.
Our improved air distribution system enhances reliability and reduces wear, backed by multiple innovation patents.
Trusted in chemical, pharmaceutical, food processing, wastewater, mining, and paint industries worldwide.
Dedicated technical team available via phone, WhatsApp, WeChat, and email for prompt assistance.
Efficient logistics network ensures timely delivery to over 80 countries across Asia, Europe, Americas, and Africa.
An Air Operated Double Diaphragm (AODD) pump uses compressed air to alternately move two diaphragms, creating suction and discharge strokes to transfer fluids without electricity.
Yes, our DP3X and Heavy Duty Flap-valve pumps are specifically engineered to handle abrasive, viscous, and solid-laden media with minimal wear.
Yes, we provide FDA-compliant models with sanitary finishes and food-grade materials suitable for CIP systems and sensitive applications.
Our pumps are available in aluminum, cast iron, stainless steel (304/316), and various plastics (PP, PVDF, ETFE) for optimal chemical resistance.
Selection depends on flow rate, pressure, fluid viscosity, and solids content. Contact our engineers for a free application review.
Reach out to our team for product inquiries, technical support, or custom solutions. We respond within 24 hours.
No.125-16 Tieqishan Road, Xifuzhen Subdistrict, Chengyang District, Qingdao, Shandong, China
+86 151 9209 8891
Monday - Friday: 8:30 AM - 5:30 PM (China Standard Time)
For immediate assistance or to request a quote, visit our official website.
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