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Wenzhou Defu Machinery Co., Ltd.
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  • About Us+
    • ​Company Profile
    • ​History
    • Quality Control
    • Production Capacity
    • Sustainable Development
  • Products+
    • Self Priming Pump
    • Centrifugal Pump
    • Diaphragm Pump
    • Gear Pump
    • Diesel Engine Driven Pump
    • Fire Pump System
  • Applications+
    • ​Mining Industry
    • Surface Water Pumping
    • Underground Water Drawing
    • Agricultural Irrigation
    • Flood Drainage
    • Sewage Transportation and Treatment
  • Cases+
    • Diesel Engine Dewatering Pumps for an African Client
    • Trailer-Mounted Diesel Engine Water Pumps for a Peruvian Client
    • High-Capacity and High-Head Drainage Pump of Mine in Laos
    • Double Suction Centrifugal Pump in Russia
    • Flood Control Pump in Azerbaijan
    • Diesel Water Pump for Mine Dewatering in Ghana
    • Fire Pump System in Bangladesh
    • Diesel Engine Pump for Irrigation Project
    • Diesel Pump for Firefighting
    • Diesel Ballast Pump System in Indonesia
    • Fire Fighting Pump for Army
    • Flood Drainage Project in Thailand
    • Agricultural Irrigation Project in Africa
    • Fire Engineering in Australia
    • Mining Project in Indonesia
  • Services and Agent Inviting+
    • Services
    • Agent Inviting
  • Videos+
    • About Us
    • Double Suction Centrifugal Pump
    • Self Priming Sewage Pump
    • End Suction Centrifugal Pump
    • Self Priming Sewage Pump, TX&TH Series
    • Vacuum Assisted Self Priming Pump With Perkins Engine
    • Diesel Engine End Suction Water Pump
    • High Pressure Diesel Engine Multistage Pump
    • Diesel Engine Dewatering Pump For Mining
    • Diesel Engine Fire Fighting Pump
    • High-Capacity and High-Head Drainage Pump of Mine in Laos
  • Contact Us
  • Home
  • Products
  • Diaphragm Pump

Diaphragm Pump

    1. AOK Air Operated Diaphragm Pump AOK series air operated diaphragm pump is driven by air, it is a kind of positive displacement pump which volume changes caused by compressing diaphragms in both side. Our diaphragm pump is widely used for conveying oil, gasoline, natural gas and so on in explosion-proof place.
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    1. QBY Air Operated Diaphragm Pump Particularly suitable for the liquid with high and low flowability, our QBY air operated diaphragm pump integrates the advantages of self-priming pump, immersible pump, shield pump, slurry pump, and trash pump. Containing no rotating parts, shaft seal or diaphragm, the moving parts and workpiece are completely separated from the medium.
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Product List
  • Self Priming Pump
    1. Self Priming Sewage Pump, TX&TH Series
    2. Self-Priming Centrifugal Sewage Pump, DJ/DJZ Series
    3. Self Priming Oil Pump
    4. Stainless Steel Self Priming Pump
    5. Dry Priming Pump
  • Centrifugal Pump
    1. ISO 2858 Centrifugal Pump
    2. DIN 24255 Centrifugal Pump
    3. Centrifugal Chemical Pump
    4. Centrifugal Slurry Pump
    5. Double Suction Centrifugal Pump
    6. D Series Horizontal Multistage Centrifugal Pump
    7. Liquid Transfer Drum Pump
    8. Vertical Multistage Centrifugal Pump
    9. Vertical Turbine Pump
    10. Horizontal Mixed-Flow Pump
  • Diaphragm Pump
    1. AOK Air Operated Diaphragm Pump
    2. QBY Air Operated Diaphragm Pump
  • Gear Pump
  • Diesel Engine Driven Pump
  • Fire Pump System
    1. Fire Fighting Pump
    2. DEFU Diesel Engines for Fire Pumps
  • Contact Us
    1. Add.: No.9 Wenhui Road, Puzhou Street, Longwan District, Wenzhou City, Zhejiang Province, China
    2. Tel.: +86-577-86553155
    3. Fax: +86-577-86553150
    4. E-mail: sale1@defucc.com
    5. WhatsApp/WeChat: +86-15067784809
  • Products
    1. Self Priming Pump
    2. Centrifugal Pump
    3. Diaphragm Pump
    4. Gear Pump
    5. Diesel Engine Driven Pump
    6. Fire Pump System
    7. Discontinued
  • Applications
    1. ​Mining Industry
    2. Surface Water Pumping
    3. Underground Water Drawing
    4. Agricultural Irrigation
    5. Flood Drainage
    6. Sewage Transportation and Treatment
  • Cases
    1. High-Capacity and High-Head Drainage Pump of Mine in Laos
    2. Trailer-Mounted Diesel Engine Water Pumps for a Peruvian Client
    3. Double Suction Centrifugal Pump in Russia
    4. Flood Control Pump in Azerbaijan
    5. Diesel Water Pump for Mine Dewatering in Ghana
    6. Fire Pump System in Bangladesh
    7. Diesel Engine Pump for Irrigation Project
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Supported by ETW International Inc. USA