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High-Performance AODD Pumps & Replacement Parts

ISO9001:2015, CE, and ATEX certified diaphragm pumps built for reliability in chemical, mining, food, and lithium battery industries. Direct replacements for Sandpiper, ARO, Wilden, and more.

DJ AODD Pump
Factory and Pump Assembly

Engineered for Excellence

DJ PUMP is a leading manufacturer and supplier of high-quality air-operated double diaphragm (AODD) pumps and replacement parts. With certifications including ISO9001:2015, CE, and ATEX, our pumps are trusted globally across demanding industries such as chemical processing, mining, food & beverage, and lithium battery production.

Our mission is to deliver reliable, durable, and cost-effective pumping solutions that meet or exceed OEM specifications. We specialize in manufacturing compatible replacement parts for major brands like Sandpiper, ARO, Wilden, Graco, and Yamada — ensuring seamless integration and superior performance.

2170+

Products Available

15+

Industries Served

Our Product Range

From non-metallic to all-stainless steel models, our AODD pumps and spare parts are engineered for durability, safety, and optimal performance in harsh environments.

All Stainless Steel Pump

All Stainless Steel Pumps

316 SS construction for corrosion resistance. Ideal for food, marine, and acid mist environments.

  • Sizes: 1", 1.5", 2", 3"
  • CE, ATEX Certified
  • Long service life
Heavy Duty Flap Valve Pump

Heavy Duty Flap Valve Pumps

Aluminum body with neoprene or nitrile diaphragms. Designed for rugged use.

  • Models: DJ-HDF2, DN6A, DB6A
  • Explosion-proof design
  • ATEX & CE Certified
Non-Metallic Pump

Non-Metallic Pumps

Chemical-resistant thermoplastic construction. Ideal for aggressive fluids.

  • Sizes: 1/4" to 2"
  • Materials: PP, PVDF, ETFE
  • ISO9001, CE, ATEX
Pilot Valve Assembly

Pilot Valve Assemblies

Precision-engineered for reliable air control and long cycle life.

  • Compatible with DJ, Sandpiper, ARO
  • Conductive fluororubber seals
  • ATEX compliant
Metallic Pump

Metallic AODD Pumps

Robust aluminum or stainless steel bodies for industrial applications.

  • Sizes: 1/2" to 3"
  • Buna-N, Viton, PTFE options
  • CE & ATEX Certified
Powder Transfer Pump

Powder Transfer Pumps

Leak-free, portable design for dry, fine powders up to 75μm.

  • Bulk density < 800kg/m³
  • Operator-safe handling
  • ATEX & CE Certified
Lithium Battery Pumps

Pumps for Lithium Batteries

Non-contaminating design with no iron, copper, or zinc.

  • Plastic & metal options
  • Sizes: 1/4" to 3"
  • Meets industry standards
Food Hygienic Pump

Food Hygienic Pumps

Food-grade epoxy coating and quick-connect fittings.

  • DPTC, CE, ATEX Certified
  • No thread connections
  • Safe for food processing

Why Choose DJ PUMP?

Engineered for reliability, safety, and long-term performance.

Certified Quality

ISO9001:2015, CE, ATEX, and MA (mining) certifications ensure compliance and safety.

High Performance

Optimized airflow and robust materials deliver consistent flow and pressure.

OEM-Compatible

Direct replacements for Sandpiper, ARO, Wilden, Graco, and Yamada.

Cost-Effective

High-quality alternatives at competitive prices without sacrificing performance.

Global Support

Expert technical team ready to assist with selection, installation, and troubleshooting.

Wide Applications

Serving chemical, food, mining, pharmaceutical, and battery manufacturing sectors.

Markets & Applications

Our pumps are trusted across diverse industries for their durability and safety.

Lithium Battery Industry

Pumps free of iron, copper, and zinc to prevent contamination in battery slurries.

Mining & Construction

Equipped with handles and protective covers; holds MA safety certification.

Food & Beverage

Food-grade epoxy coating and hygienic quick-connect fittings.

Chemical Processing

Corrosion-resistant materials including PVDF, ETFE, and 316 stainless steel.

Pharmaceuticals

Clean, leak-free transfer of sensitive compounds and solvents.

Powder Handling

Safe, portable transfer of fine, dry powders under 75μm.

Get in Touch

Need help selecting the right pump or part? Our experts are ready to assist.

+86-512-8781-8678

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